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ER70S-B2L

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America ASME ER70S-B2L 气体保护电弧焊用低合金钢焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER70S-B2L / ER70S-B2L
Category Grade Standard Region/Area Standard Content
Metals ER70S-B2L ASME SFA-5.28/SFA-5.28M America 气体保护电弧焊用低合金钢焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER70S-B2L

Element Min Max Similar
C - 0.0500 -
Mn 0.4000 0.7000 -
P - 0.0250 -
S - 0.0250 -
Si 0.4000 0.7000 -
Ni - 0.2000 -
Cr 1.2000 1.5000 -
Mo 0.4000 0.6500 -
Cu - 0.3500 -
Others Total - 0.5000 -

Mechanical Properties of steel grade ER70S-B2L

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)
991 (≥) 737 (≥) 33 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade ER70S-B2L

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
34 - -     0.13 -  
857 878 - 34.3 133   -  
757 - 12 14.2   424 332

Heat Treatment of steel grade ER70S-B2L

Heat treated : 1423°C - 1994°C

Technological Curves of steel grade ER70S-B2L

Cross Reference Table (Equivalent Grade) of ER70S-B2L

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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