31CrMo12

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#31CrMo12

Description

31CrMo12 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 31CrMo12

Category	Type	Steel Grade
Steel Grades	Carbon Steel	31CrMo12
		34CrAl6
		1.8504
		34CrAlS5
		1.8506
		1.8505
		32CrAlMo7-10
		34CrAlMo5-10
		1.8507
		41CrAlMo7-10
		1.8509

Chemical composition(mass fraction)(wt.%) of the 31CrMo12

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.28-0.35	0.40	0.40-0.70	0.025	0.035	2.80-3.30
Mo	Al	Cu	Nb	Ti	V	Ce
0.30-0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade 31CrMo12

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)
597 (≥)	742 (≥)	12	23	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade 31CrMo12

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
23	-	-			0.41	-
584	926	-	42.3	342		-
597	-	12	32.2			231	241

Heat Treatment of steel grade 31CrMo12

Heat treated : 1942°C - 1937°C

Technological Curves of steel grade 31CrMo12

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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