Germany · DIN

1.0425

DIN 17155

Chemical composition

wt% · log scale
0.010.11C0.2Cr0.3Mn0.5P0.05S0.05Si0.35
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≤260 MPaTensile strength Rm≤410 MPaheavy plate, steel strip, normalized, <= 16 mmYield strength Rp0.2≤250 MPaTensile strength Rm≤410 MPaheavy plate, steel strip, normalized, > 16 <= 40 mmYield strength Rp0.2≤240 MPaTensile strength Rm≤410 MPaheavy plate, steel strip, normalized, > 40 <= 60 mm

Creep properties

5.9756.4107157208380390400410420430440450460470480490500510520MPa
  • 10000.0h
  • 100000.0h

Temperature °C · time at rupture

Fatigue S-N curve

stress vs. cycles (log)
157189221252284110Cycles
  • 1.薄板; 20 mm thick; Total strain control; R=-1; T: 23°C; Cylindrical; Diameter [mm]: 10; Gauge length [mm]: 25; 方向: T
  • 2.薄板; Total strain control; R=-1; T: 23°C; Cylindrical; Diameter [mm]: 16; Gauge length [mm]: 20; 方向: T
  • 3.薄板; Total strain control; R=-1; T: 350°C; Cylindrical; Diameter [mm]: 16; Gauge length [mm]: 40; 方向: T

Chemical composition

ElementminmaxSimilarRemarks
C0.2
Cr0.3
Mn0.5
P0.05
S0.05
Si0.35

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
heavy plate, steel strip, normalized, <= 16 mm≤260≤410
heavy plate, steel strip, normalized, > 16 <= 40 mm≤250≤410
heavy plate, steel strip, normalized, > 40 <= 60 mm≤240≤410

Fatigue

1.薄板; 20 mm thick; Total strain control; R=-1; T: 23°C; Cylindrical; Diameter [mm]: 10; Gauge length [mm]: 25; 方向: T

Test conditions
ItemDetail
Productsheet; 20 mm thick
ExperimentTotal strain control; R=-1; T: 23°C
SpecimenCylindrical; Diameter [mm]: 10; Gauge length [mm]: 25; Direction: T
Monotonic
PropertyValue
Elastic modulus (GPa)212.3
Yield strength (MPa)316.0
Tensile strength (MPa)476.0
Elongation (%)22.0
Reduction of area (%)66.0
Hardness (HV)139.0
MetricFerrite pearlite
Strain life
No.Cyclic yield strength (MPa)Cyclic strain-hardening exponent n′Cyclic strength coefficient K′ (MPa)Fatigue strength coefficient σ′f (MPa)Fatigue strength exponent bFatigue ductility coefficient ε′fFatigue ductility exponent c
12890.1740853805-0.10750.5529-0.5818
Stress life
No.SpecimenStress (MPa)Cycles
1Cylindrical; Diameter [mm]: 10; Gauge length [mm]: 25; Direction: T1692E6

Creep

Temperature ℃Time hRp1CRS
38010000.0h147.1188.29
380100000.0h115.72160.83
39010000.0h133.37172.6
390100000.0h101.01140.24
40010000.0h120.62156.91
400100000.0h88.26122.58
41010000.0h108.85142.2
410100000.0h76.49105.91
42010000.0h98.07127.49
420100000.0h65.792.18
43010000.0h86.3113.76
430100000.0h56.8881.4
44010000.0h77.47101.01
440100000.0h50.0171.59
45010000.0h68.6590.22
450100000.0h44.1363.74
46010000.0h59.8280.41
460100000.0h38.2555.9
47010000.0h51.9871.59
470100000.0h32.3649.03
48010000.0h44.1363.74
480100000.0h27.4643.15
49010000.0h39.2356.88
490100000.0h23.5437.27
50010000.0h34.3250.99
500100000.0h20.5932.36
51010000.0h30.447.07
510100000.0h18.6328.44
52010000.0h26.4843.15
520100000.0h16.6725.5