S43940

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#S43940

Description

S43940 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: S43940

Category	Type	Steel Grade
Steel Grades	High Alloy	S43940
		S44700
		29-4-2
		S44800
		26-3-3
		S44660
		25-4-4
		S44635
		S44735
		S32803
		S40977

Chemical composition(mass fraction)(wt.%) of the S43940

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	1	1	0.04	0.015	17.5-18.5
Mo	Al	Cu	Nb	Ti	V	Ce
			≥3*C+0.3	0.1-0.6
N	Co	Pb	B	Other

Mechanical Properties of steel grade S43940

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)
988 (≥)	987 (≥)	24	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade S43940

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
22	-	-			0.23	-
441	172	-	44.3	214		-
817	-	13	23.2			232	432

Heat Treatment of steel grade S43940

Heat treated : 1491°C - 1795°C

Technological Curves of steel grade S43940

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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy