STKN 490 B

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Japan JIS STKN490B 建筑结构能用碳钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKN490B / STKN 490 B

Category	Grade	Standard	Region/Area	Standard Content
Metals	STKN 490 B	JIS G3475	Japan	建筑结构能用碳钢管

Chemical composition(mass fraction)(wt.%) of the STKN 490 B

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade STKN 490 B

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)
981 (≥)	513 (≥)	41	44	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	432

Physical Properties of steel grade STKN 490 B

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	-
974	426	-	13.3	321		-
478	-	44	14.2			311	111

Heat Treatment of steel grade STKN 490 B

Heat treated : 1732°C - 1693°C

Technological Curves of steel grade STKN 490 B

No Curve

Cross Reference Table (Equivalent Grade) of STKN 490 B

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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