Global · Enterprise standard

HT50

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Fatigue S-N curve

stress vs. cycles (log)

1.热轧厚板; Thickness (mm): 20; Processing not reported; Axial; R=0.1; Frequency: 10 Hz; T: 20°C; Smooth round bar; Diameter [mm]: 10; 方向: L-L; Kt: 1.00
2.热轧厚板; Thickness (mm): 20; Processing not reported; Rotating uniform bending; R=-1; Frequency: 50 Hz; T: 20°C; Smooth round bar; Diameter [mm]: 10; 方向: L-L; Kt: 1.00
3.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; 方向: L-L; Kt: 2.40
4.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; 方向: L-L; Kt: 4.60
5.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; 方向: L-L; Kt: 1.95
6.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; 方向: L-L; Kt: 2.40

Chemical composition

Element	min	max	Similar	Remarks
C			0.15
Cu			0.27
Mn			1.42
Ni			0.19
P			0.009
S			0.001
Si			0.44

Fatigue

Condition

1.热轧厚板; Thickness (mm): 20; Processing not reported; Axial; R=0.1; Frequency: 10 Hz; T: 20°C; Smooth round bar; Diameter [mm]: 10; 方向: L-L; Kt: 1.00

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Thickness (mm): 20; Processing not reported
Experiment	Axial; R=0.1; Frequency: 10 Hz; T: 20°C
Specimen	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	165	1E7
2	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	165	1E7
3	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	284	1E7
4	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	284	1E7

2.热轧厚板; Thickness (mm): 20; Processing not reported; Rotating uniform bending; R=-1; Frequency: 50 Hz; T: 20°C; Smooth round bar; Diameter [mm]: 10; 方向: L-L; Kt: 1.00

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Thickness (mm): 20; Processing not reported
Experiment	Rotating uniform bending; R=-1; Frequency: 50 Hz; T: 20°C
Specimen	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	165	1E7
2	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	165	1E7
3	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	284	1E7
4	Smooth round bar; Diameter [mm]: 10; Direction: L-L; Kt: 1.00	284	1E7

3.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; 方向: L-L; Kt: 2.40

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Processing not reported
Experiment	Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C
Specimen	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0
Hardness (HV)	181.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	19	1E7
2	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	19	1E7
3	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	19	1E7
4	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	19	1E7
5	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	19	1E7
6	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	99	1E7
7	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	99	1E7
8	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	99	1E7
9	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	99	1E7
10	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	99	1E7
11	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	189	1E7
12	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	189	1E7
13	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	189	1E7
14	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	189	1E7
15	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	189	1E7
16	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	176	1E7
17	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	176	1E7
18	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	176	1E7
19	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	176	1E7
20	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	176	1E7
21	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	96	1E7
22	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	96	1E7
23	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	96	1E7
24	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	96	1E7
25	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	96	1E7

4.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; 方向: L-L; Kt: 4.60

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Processing not reported
Experiment	Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C
Specimen	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0
Hardness (HV)	181.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	19	1E7
2	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	19	1E7
3	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	19	1E7
4	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	19	1E7
5	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	19	1E7
6	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	99	1E7
7	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	99	1E7
8	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	99	1E7
9	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	99	1E7
10	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	99	1E7
11	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	189	1E7
12	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	189	1E7
13	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	189	1E7
14	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	189	1E7
15	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	189	1E7
16	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	176	1E7
17	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	176	1E7
18	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	176	1E7
19	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	176	1E7
20	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	176	1E7
21	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	96	1E7
22	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	96	1E7
23	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	96	1E7
24	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	96	1E7
25	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	96	1E7

5.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; 方向: L-L; Kt: 1.95

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Processing not reported
Experiment	Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C
Specimen	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0
Hardness (HV)	181.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	19	1E7
2	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	19	1E7
3	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	19	1E7
4	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	19	1E7
5	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	19	1E7
6	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	99	1E7
7	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	99	1E7
8	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	99	1E7
9	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	99	1E7
10	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	99	1E7
11	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	189	1E7
12	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	189	1E7
13	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	189	1E7
14	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	189	1E7
15	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	189	1E7
16	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	176	1E7
17	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	176	1E7
18	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	176	1E7
19	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	176	1E7
20	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	176	1E7
21	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	96	1E7
22	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	96	1E7
23	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	96	1E7
24	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	96	1E7
25	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	96	1E7

6.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; 方向: L-L; Kt: 2.40

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Processing not reported
Experiment	Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C
Specimen	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0
Hardness (HV)	181.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	19	1E7
2	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	19	1E7
3	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	19	1E7
4	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	19	1E7
5	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	19	1E7
6	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	99	1E7
7	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	99	1E7
8	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	99	1E7
9	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	99	1E7
10	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	99	1E7
11	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	189	1E7
12	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	189	1E7
13	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	189	1E7
14	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	189	1E7
15	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	189	1E7
16	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	176	1E7
17	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	176	1E7
18	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	176	1E7
19	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	176	1E7
20	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	176	1E7
21	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	96	1E7
22	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	96	1E7
23	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	96	1E7
24	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	96	1E7
25	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	96	1E7

7.热轧厚板; Processing not reported; Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C; Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 方向: L-L; Kt: 3.00

Test conditions

Item	Detail
Product	hot-rolled heavy plate; Processing not reported
Experiment	Rotating bending cantilever; R=-1; Frequency: 11 Hz; T: 20°C
Specimen	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00

Monotonic

Property	Value
Yield strength (MPa)	392.0
Tensile strength (MPa)	539.0
Elongation (%)	27.0
Hardness (HV)	181.0

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	19	1E7
2	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	19	1E7
3	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	19	1E7
4	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	19	1E7
5	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	19	1E7
6	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	99	1E7
7	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	99	1E7
8	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	99	1E7
9	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	99	1E7
10	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	99	1E7
11	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	189	1E7
12	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	189	1E7
13	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	189	1E7
14	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	189	1E7
15	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	189	1E7
16	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	176	1E7
17	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	176	1E7
18	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	176	1E7
19	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	176	1E7
20	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	176	1E7
21	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.5; 60 deg. notch angle; Direction: L-L; Kt: 2.40	96	1E7
22	Round notch round bar; Tested diameter [mm]: 8; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; 60 deg. notch angle; Direction: L-L; Kt: 4.60	96	1E7
23	Round notch round bar; Tested diameter [mm]: 6; Chucked diameter [mm]: 12; Notch radius [mm]: 1; Part through hole; Direction: L-L; Kt: 1.95	96	1E7
24	Round notch round bar; Tested diameter [mm]: 7.5; Chucked diameter [mm]: 12; Notch radius [mm]: 0.25; Part through hole; Direction: L-L; Kt: 2.40	96	1E7
25	Fillet round bar; Tested diameter [mm]: 10; Chucked diameter [mm]: 12; Notch radius [mm]: 0.1; Direction: L-L; Kt: 3.00	96	1E7