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381

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Global 企业标准 381 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 381 / 381
Category Grade Standard Region/Area Standard Content
Metals 381 -- Global

Chemical composition(mass fraction)(wt.%) of the 381

Element Min Max Similar
Zn - 2.9000 -
Total Others - 0.5000 -
Ti - 0.2000 -
Sn - 0.1500 -
Si 9.0000 10.0000 -
Sb - 0.1500 -
Pb - 0.1500 -
Ni - 0.5000 -
Mn - 0.5000 -
Mg - 0.1300 -
Fe 0.7000 1.0000 -
Cu 3.0000 4.0000 -
Cr - 0.1500 -
Al - - -

Mechanical Properties of steel grade 381

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)
638 (≥) 689 (≥) 24 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade 381

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
44 - -     0.24 -  
871 782 - 13.3 341   -  
644 - 41 13.2   222 344

Heat Treatment of steel grade 381

Heat treated : 1986°C - 1861°C

Technological Curves of steel grade 381

Cross Reference Table (Equivalent Grade) of 381

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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