SAE 3120

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#SAE #3120

Description

SAE 3120 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SAE 3120

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SAE 3120
		2345
		A2512
		2512
		A2515
		2515
		A2517
		2517
		AISI A3115
		SAE 3115
		AISI A3120

Chemical composition(mass fraction)(wt.%) of the SAE 3120

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.22	0.2-0.35	0.6-0.8	0.04	0.04	0.55-0.75	1.1-1.4
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade SAE 3120

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
858 (≥)	476 (≥)	11	24	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade SAE 3120

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
44	-	-			0.21	-
954	671	-	23.3	142		-
573	-	44	23.2			432	322

Heat Treatment of steel grade SAE 3120

Heat treated : 1227°C - 1523°C

Technological Curves of steel grade SAE 3120

No Curve

Cross Reference Table (Equivalent Grade) of SAE 3120

Grade	Standard	Country	Application
SAE NVl(1541)	SAE	USA	precipitation hardening
SAE NV2(1547)	SAE	USA	precipitation hardening
SAE NV3	SAE	USA	precipitation hardening
SAE NV4(3140)	SAE	USA	precipitation hardening
SAE NV5(8645)	SAE	USA	precipitation hardening
SAE NV6(5150)	SAE	USA	precipitation hardening
SAE NV7(4140)	SAE	USA	precipitation hardening
SAE NV8		USA	precipitation hardening
SAE NV9	SAE	USA	precipitation hardening
SAE HNVl	SAE	USA	precipitation hardening
SAE HNV2	SAE	USA	precipitation hardening
SAE HNV3	SAE	USA	precipitation hardening
SAE HNV4	SAE	USA	precipitation hardening
SAE HNV5	SAE	USA	precipitation hardening
SAE HNV6	SAE	USA	precipitation hardening
SAE HNV7(71360)	SAE	USA	precipitation hardening
SAE HNV8	SAE	USA	precipitation hardening
SAE EVl	SAE	USA	precipitation hardening
SAE EV2	SAE	USA	precipitation hardening
SAE EV3	SAE	USA	precipitation hardening

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