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A752 Grade 8740

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America ASTM A752Grade8740 合金钢条和粗圆钢丝(米制) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A752Grade8740 / A752 Grade 8740
Category Grade Standard Region/Area Standard Content
Metals A752 Grade 8740 ASTM A752M America 合金钢条和粗圆钢丝(米制)

Chemical composition(mass fraction)(wt.%) of the A752 Grade 8740

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Ni 0.4000 0.7000 -
Mo 0.2000 0.3000 -
Mn 0.7500 1.0000 -
Cu - 0.3500 -
Cr 0.4000 0.6000 -
C 0.3800 0.4300 -

Mechanical Properties of steel grade A752 Grade 8740

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)
648 (≥) 533 (≥) 22 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade A752 Grade 8740

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
43 - -     0.22 -  
819 384 - 11.3 124   -  
148 - 31 23.2   334 414

Heat Treatment of steel grade A752 Grade 8740

Heat treated : 1877°C - 1461°C

Technological Curves of steel grade A752 Grade 8740

Cross Reference Table (Equivalent Grade) of A752 Grade 8740

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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