302B

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#302B

Description

302B High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 302B

Category	Type	Steel Grade
Steel Grades	High Alloy	302B
		S21900
		XM-11
		S21904
		XM-29
		S24000
		XM-28
		S24100
		S28200
		302
		S30200

Chemical composition(mass fraction)(wt.%) of the 302B

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	2-3	2	0.045	0.03	17-19	8-10
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 302B

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)
429 (≥)	829 (≥)	42	22	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade 302B

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	-	-			0.11	-
586	688	-	12.3	244		-
914	-	44	31.2			112	241

Heat Treatment of steel grade 302B

Heat treated : 1597°C - 1542°C

Technological Curves of steel grade 302B

No Curve

Cross Reference Table (Equivalent Grade) of 302B

Grade	Standard	Country	Application
CNS 302B		China	China Taiwan Stainless steel

Available Suppliers

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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