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A671 Grade CB 70

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America ASTM A671GradeCB70 常温和低温电熔焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A671GradeCB70 / A671 Grade CB 70
Category Grade Standard Region/Area Standard Content
Metals A671 Grade CB 70 ASTM A671 America 常温和低温电熔焊接钢管

Chemical composition(mass fraction)(wt.%) of the A671 Grade CB 70

Element Min Max Similar
C 0.1500 0.3100 -
Mn - 1.2000 -
P - 0.0250 -
S - 0.0250 -
Si - 0.4000 -
Si 0.1300 0.4500 -
S - 0.0250 -
P - 0.0250 -
Mn - 1.3000 -
C - 0.3100 -

Mechanical Properties of steel grade A671 Grade CB 70

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)
723 (≥) 464 (≥) 23 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade A671 Grade CB 70

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
32 - -     0.34 -  
848 564 - 21.3 341   -  
231 - 22 14.2   214 333

Heat Treatment of steel grade A671 Grade CB 70

Heat treated : 1169°C - 1736°C

Technological Curves of steel grade A671 Grade CB 70

Cross Reference Table (Equivalent Grade) of A671 Grade CB 70

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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