SACM645

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#SACM645

Description

SACM645 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SACM645

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SACM645
		SNCM240
		SNCM415
		SNCM420
		SNCM431
		SNCM439
		SNCM447
		SNCM616
		SNCM625
		SNCM630
		SNCM815

Chemical composition(mass fraction)(wt.%) of the SACM645

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.4-0.5	0.15-0.5	0.6	0.03	0.03	1.3-1.7
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.3	0.7-1.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade SACM645

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)
876 (≥)	848 (≥)	21	44	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade SACM645

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
21	-	-			0.12	-
457	739	-	23.3	124		-
933	-	34	33.2			234	143

Heat Treatment of steel grade SACM645

Heat treated : 1233°C - 1998°C

Technological Curves of steel grade SACM645

No Curve

Cross Reference Table (Equivalent Grade) of SACM645

Grade	Standard	Country	Application
SACM645		China	China Taiwan Structural steel

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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