440C

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#440C

Description

440C Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 440C

Category	Type	Steel Grade
Steel Grades	Carbon Steel	440C
		1040
		1050
		1541
		1552
		4130
		4140
		4150
		5140
		5150
		6150

Chemical composition(mass fraction)(wt.%) of the 440C

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.95-1.1	1	1	0.025	0.025	16-18	≤ 0.75
Mo	Al	Cu	Nb	Ti	V	Ce
0.4-0.6		≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade 440C

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)
999 (≥)	184 (≥)	14	44	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	331

Physical Properties of steel grade 440C

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
41	-	-			0.31	-
571	377	-	14.3	341		-
351	-	41	34.2			413	224

Heat Treatment of steel grade 440C

Heat treated : 1529°C - 1754°C

Technological Curves of steel grade 440C

No Curve

Cross Reference Table (Equivalent Grade) of 440C

Grade	Standard	Country	Application
ASTM 440C	ASTM	USA	Martensitic special steel
SUS440C	JIS	Japan	Martensitic special steel
STS440C			martensitic steel
STS440C			martensitic steel
CNS 440C		China	CNS standard martensite stainless steel
440C			Australia Stainless steel
CNS 440C		China	China Taiwan Stainless steel
CNS 440C		China	China Taiwan Stainless 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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