United States · SAE

4130

SAE AMS 6351J:2011 — Steel,sheet,strip,and plate 0.95Cr-0.20Mo (0.28-0.33C) (SAE 4130) spheroidized (UNS G41300)

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Standards

SAE AMS S 18729A:1998Steel plate,sheet,and strip,alloy 4130,aircraft quality
SAE AMS T 6736B:1990Tubing,chrome-molybdenum (4130 or 8630) steel,seamless and welded
SAE AMS 6345C:2011Steel,sheet,strip,and plate 0.95Cr-0.20Mo (0.28-0.33C) (SAE 4130) normalized or otherwise heat treated (UNS G41300)
SAE AMS S 6758A:1998SAE AMS S 6758A
SAE J 935:1981SAE J 935
SAE AMS 6360L:2005Steel Tubing,Seamless 0.95Cr. 0.20Mo (0.28. 0.33C) (SAE 4130) Normalized or Stress Relieved UNS G41300
SAE AMS 6373G:2010SAE AMS 6373G
SAE AMS 6374C:2006SAE AMS 6374C
SAE AMS 6361E:2005Steel Tubing, Seamless 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130) 125 ksi (862 MPa) Tensile Strength UNS G41300
SAE AMS 6362F:2005Steel tubing,seamless 0.95cr. 0.20mo (0.28. 0.33c) (sae 4130) 150 ksi (1034 mpa) tensile strength uns g41300
SAE AMS 6457C:2010Steel,welding wire 0.95Cr-0.20Mo (0.28-0.33C) vacuum melted,environment controlled packaging SAE 4130 (UNS K13147)
SAE AMS 6350M:2011Steel sheet,strip,and plate 0.95Cr-0.20Mo (0.28-0.33C) (SAE 4130) (UNS G41300)
SAE AMS 6351J:2011Steel,sheet,strip,and plate 0.95Cr-0.20Mo (0.28-0.33C) (SAE 4130) spheroidized (UNS G41300)
SAE AMS 6370N:2011Steel,bars,forgings,and rings 0.95Cr-0.20Mo (0.28-0.33C) (SAE 4130) (UNS G41300)
SAE AMS 6346A:2009Steel Bars 0.95Cr. 0.20Mo (0.28 to 0.33C) (SAE 4130) Hardened and Tempered,125 Ksi (862 MPa) Tensile Strength UNS G41300
SAE AMS 5034A:2006SAE AMS 5034A
SAE AMS 6371K:2013Steel,Mechanical Tubing 0.95Cr. 0.20Mo (0.28. 0.33C) (SAE 4130) UNS G41300
SAE J 1397:1992SAE J 1397
SAE J 404:2009SAE J 404
SAE AMS 6348C:2009Steel,bars 0.95cr. 0.20mo (0.28 to 0.33c) (sae 4130) normalized uns g41300
SAE J 412:1995SAE J 412
SAE AMS 6528C:2012Steel,Bars 0.95Cr. 0.20Mo (0.28. 0.33C) (SAE 4130) Special Aircraft Quality Cleanliness Normalized UNS G41300

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Chemical composition

Element	min	max
C	0.28	0.33
Cr	0.8	1.1
Cu		0.35
Mn	0.4	0.6
Mo	0.15	0.25
Ni		0.25
P		0.025
S		0.025
Si	0.15	0.35

Mechanical properties

Heat treatment / condition	Tensile strength	Hardness
heavy plate, steel strip, hardened quenched, t <= 6.32 mm, sheet	862
heavy plate, steel strip, hardened quenched, t <= 6.32 mm, HR		薄板 26
heavy plate, HR, steel strip		薄板 85.00

Physical properties

Temperature

-250.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	7.23

-200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	8.32	21.89

-100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	9.97	34.67

0.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	11.36	40.13

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
200.00	11.59	40.70			7.83	0.32

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.39	41.98	458.74

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	13.11	42.04	500.99

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	13.60	40.89	545.04

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	13.94	38.65	595.23

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.20	35.68	645.34

600.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.48	33.37	715.08

650.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.60		749.42

700.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	14.78		868.16

725.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.99		1234.88

750.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.19		1591.35

800.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	11.71		1051.53

850.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.39		597.07

Typical physical values

Density	Elastic modulus	Poisson's ratio	Remarks
7.72–8.00	190.00–210.00	0.27–0.30	典型属性数值，工具钢。此值不来源于标准，它是指示性指标，不能被用于设计用途。
7.85	200.00–207.00	0.27–0.30	低碳钢低合金钢的材料性能属性数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。

Fatigue

Condition

1.棒材; 25.4 mm; 正火; Axial; T: 20°C; 方向: L

Test conditions

Item	Detail
Product	bars; 25.4 mm; normalized
Experiment	Axial; T: 20°C
Specimen	Direction: L

Monotonic

Property	Value
Yield strength (MPa)	434.0
Tensile strength (MPa)	669.0
Elongation (%)	26.0
Reduction of area (%)	60.0
Hardness (HB)	197.0

Stress life

No.	Specimen	Cycles
1	Direction: L	E7

2.棒材; 25.4 mm; 水淬和650°C (1200F); Bending; T: 20°C; Rotating beam; 方向: L

Test conditions

Item	Detail
Product	bars; 25.4 mm; 650°C (1200F)
Experiment	Bending; T: 20°C
Specimen	Rotating beam; Direction: L

Monotonic

Property	Value
Yield strength (MPa)	703.0
Tensile strength (MPa)	814.0
Elongation (%)	22.0
Reduction of area (%)	64.0
Hardness (HB)	245.0

Stress life

No.	Specimen	Cycles
1	Rotating beam; Direction: L	E7

3.Heat treated; T: 20°C; -

Test conditions

Item	Detail
Product	Heat treated
Experiment	T: 20°C
Specimen

Monotonic

Property	Value
Elastic modulus (GPa)	200.0
Yield strength (MPa)	1358.0
Tensile strength (MPa)	4127.0
Reduction of area (%)	55.0
True fracture strength (MPa)	1820.0
True fracture ductility (%)	0.79
Hardness (HB)	360.0

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 b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	798	0.1300	1839	1714.0	-0.08	0.84	-0.68

Stress life

No.	Stress (MPa)	Cycles
1	537	2E6

4.927°C/30 min, water, 650°C/30 min; T: 23°C; -

Test conditions

Item	Detail
Product	927°C/30 min water 650°C/30 min
Experiment	T: 23°C
Specimen

Monotonic

Property	Value
Elastic modulus (GPa)	210.0
Poisson's ratio	0.285

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 b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	512	0.1970	1741	1553	-0.1053	0.1864	-0.3500

Stress life

No.	Stress (MPa)	Cycles
1	337	2E6

5.毛培; Diameter (mm): 19; 淬火和回火; 870°C/0.5h 水, 400°C/1h空气; Total diametral strain control; R=-1; T: 23°C; Hourglass shaped; Diameter [mm]: 6.35; Gauge length diametral; 方向: L

Test conditions

Item	Detail
Product	Diameter (mm): 19; quenched and tempered; 870°C/0.5h 400°C/1h空气
Experiment	Total diametral strain control; R=-1; T: 23°C
Specimen	Hourglass shaped; Diameter [mm]: 6.35; Gauge length diametral; Direction: L

Monotonic

Property	Value
Elastic modulus (GPa)	200.0
Yield strength (MPa)	1359.0
Tensile strength (MPa)	1427.0
Reduction of area (%)	54.7
True fracture strength (MPa)	2083.0
True fracture ductility (%)	0.79
Strength coefficient (MPa)	1660.0
Strain-hardening exponent	0.033
Poisson's ratio	0.28
Hardness (HRC)	39.0 40.0

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 b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	813	0.1240	1756	1669	-0.0782	0.8016	-0.6715

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Hourglass shaped; Diameter [mm]: 6.35; Gauge length diametral; Direction: L	537	2E6

6.淬火和回火; T: 20°C; -

Test conditions

Item	Detail
Product	quenched and tempered
Experiment	T: 20°C
Specimen

Monotonic

Property	Value
Elastic modulus (GPa)	200.0
Yield strength (MPa)	1358.0
Tensile strength (MPa)	1427.0
Reduction of area (%)	55.0
True fracture strength (MPa)	1820.0
True fracture ductility (%)	0.79
Hardness (HB)	360.0

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 b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	827	0.1200	1765	1696.0	-0.08	0.89	-0.69

Stress life

No.	Stress (MPa)	Cycles
1	531	1E7

7.Heat treated; 366 HB; T: 20°C; -

Test conditions

Item	Detail
Product	Heat treated; 366 HB
Experiment	T: 20°C
Specimen

Monotonic

Property	Value
Elastic modulus (GPa)	200.0
Yield strength (MPa)	1358.0
Tensile strength (MPa)	1427.0
Reduction of area (%)	54.7
Hardness (HB)	366.0

Strain life

No.	Cyclic strain-hardening exponent n′	Cyclic strength coefficient K′ (MPa)	Fatigue strength coefficient σ′f (MPa)	Fatigue strength exponent b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	0.1140	1696	1655.0	-0.076	0.803	-0.672

Stress life

No.	Stress (MPa)	Cycles
1	549	2E6

8.Heat treated; 259 HB; T: 20°C; -

Test conditions

Item	Detail
Product	Heat treated; 259 HB
Experiment	T: 20°C
Specimen

Monotonic

Property	Value
Elastic modulus (GPa)	221.0
Yield strength (MPa)	778.0
Tensile strength (MPa)	896.0
Reduction of area (%)	67.3
Hardness (HB)	259.0

Strain life

No.	Cyclic strain-hardening exponent n′	Cyclic strength coefficient K′ (MPa)	Fatigue strength coefficient σ′f (MPa)	Fatigue strength exponent b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	0.1190	1264	1261.0	-0.077	0.985	-0.648

Stress life

No.	Stress (MPa)	Cycles
1	413	2E6

9.淬火和回火; 258 HB; T: 20°C; 方向: L

Test conditions

Item	Detail
Product	quenched and tempered; 258 HB
Experiment	T: 20°C
Specimen	Direction: L

Monotonic

Property	Value
Elastic modulus (GPa)	221.0
Yield strength (MPa)	779.0
Tensile strength (MPa)	896.0
Reduction of area (%)	67.0
True fracture strength (MPa)	1420.0
True fracture ductility (%)	1.12
Hardness (HB)	258.0

Strain life

No.	Cyclic yield strength (MPa)	Cyclic strain-hardening exponent n′	Fatigue strength coefficient σ′f (MPa)	Fatigue strength exponent b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	565	0.1300	1276.0	-0.083	0.92	-0.63

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Direction: L	383	2E6

10.淬火和回火; 365 HB; T: 20°C; 方向: L

Test conditions

Item	Detail
Product	quenched and tempered; 365 HB
Experiment	T: 20°C
Specimen	Direction: L

Monotonic

Property	Value
Elastic modulus (GPa)	200.0
Yield strength (MPa)	1358.0
Tensile strength (MPa)	1427.0
Reduction of area (%)	55.0
True fracture strength (MPa)	1820.0
True fracture ductility (%)	0.79
Hardness (HB)	365.0

Strain life

No.	Cyclic yield strength (MPa)	Cyclic strain-hardening exponent n′	Fatigue strength coefficient σ′f (MPa)	Fatigue strength exponent b	Fatigue ductility coefficient ε′f	Fatigue ductility exponent c
1	827	0.1200	1696.0	-0.081	0.89	-0.69

Stress life

No.	Specimen	Stress (MPa)	Cycles
1	Direction: L	524	2E6

Heat treatment

Type	1
Heat-treatment curve	Hardness-Tempering
Heat-treatment curve	CCT modified
Heat-treatment curve	CCT
Heat-treatment curve	TTT
Heat-treatment curve	淬透性

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