A903

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Global 企业标准 A903 Schoeller + Bleckmann Edelstahlrohr GmbH and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A903 / A903

Category	Grade	Standard	Region/Area	Standard Content
Metals	A903	--	Global	Schoeller + Bleckmann Edelstahlrohr GmbH

Chemical composition(mass fraction)(wt.%) of the A903

Element	Min	Max	Similar
Ni	-	-	5.5000
N	-	-	0.0170
Mo	-	-	3.0000
Cr	-	-	22.5000
C	-	0.0250	-

Mechanical Properties of steel grade A903

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)
624 (≥)	547 (≥)	43	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical Properties of steel grade A903

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	-	-			0.34	-
514	211	-	21.3	314		-
959	-	44	24.2			144	334

Heat Treatment of steel grade A903

Heat treated : 1527°C - 1152°C

Technological Curves of steel grade A903

No Curve

Cross Reference Table (Equivalent Grade) of A903

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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