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STKR 400

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Japan JIS STKR400 通用结构碳钢方管，矩形管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKR400 / STKR 400
Category Grade Standard Region/Area Standard Content
Metals STKR 400 JIS G3466 Japan 通用结构碳钢方管，矩形管

Chemical composition(mass fraction)(wt.%) of the STKR 400

Element Min Max Similar

Mechanical Properties of steel grade STKR 400

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
949 (≥) 618 (≥) 33 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade STKR 400

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
43 - -     0.14 -  
462 876 - 11.3 211   -  
868 - 24 43.2   344 213

Heat Treatment of steel grade STKR 400

Heat treated : 1845°C - 1533°C

Technological Curves of steel grade STKR 400

Cross Reference Table (Equivalent Grade) of STKR 400

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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Jiangyou Longhai Special Steel Co.,Ltd.

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