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A675 Grade 345

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America ASTM A675Grade345 专用热轧碳素钢棒的机械特性 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A675Grade345 / A675 Grade 345
Category Grade Standard Region/Area Standard Content
Metals A675 Grade 345 ASTM A675/A675M America 专用热轧碳素钢棒的机械特性

Chemical composition(mass fraction)(wt.%) of the A675 Grade 345

Element Min Max Similar
S - 0.0500 -
P - 0.0400 -
Cu 0.2000 - -

Mechanical Properties of steel grade A675 Grade 345

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)
828 (≥) 194 (≥) 21 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade A675 Grade 345

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 - -     0.43 -  
661 164 - 14.3 111   -  
769 - 32 44.2   414 313

Heat Treatment of steel grade A675 Grade 345

Heat treated : 1385°C - 1418°C

Technological Curves of steel grade A675 Grade 345

Cross Reference Table (Equivalent Grade) of A675 Grade 345

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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