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W21240

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America UNS W21240 潜弧焊用低合金钢双金属丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W21240 / W21240
Category Grade Standard Region/Area Standard Content
Metals W21240 -- America 潜弧焊用低合金钢双金属丝

Chemical composition(mass fraction)(wt.%) of the W21240

Element Min Max Similar
Si - 0.8000 -
S - 0.0300 -
P - 0.0300 -
Ni 1.2500 2.0000 -
Mo - 0.3500 -
Mn 0.6000 1.6000 -
Cu - 0.3000 -
Cr - 0.1500 -
C - 0.1000 -

Mechanical Properties of steel grade W21240

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)
731 (≥) 244 (≥) 24 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade W21240

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
22 - -     0.21 -  
325 248 - 13.3 231   -  
878 - 24 12.2   242 144

Heat Treatment of steel grade W21240

Heat treated : 1576°C - 1642°C

Technological Curves of steel grade W21240

Cross Reference Table (Equivalent Grade) of W21240

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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