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A325 Type 3B

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America ASTM A325Type3B 钢结构螺栓，热处理，120/105 ksi 最小抗拉强度 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A325Type3B / A325 Type 3B
Category Grade Standard Region/Area Standard Content
Metals A325 Type 3B ASTM A325 America 钢结构螺栓，热处理，120/105 ksi 最小抗拉强度

Chemical composition(mass fraction)(wt.%) of the A325 Type 3B

Element Min Max Similar
Si 0.3000 0.5000 -
S - 0.0400 -
P 0.0600 0.1200 -
Ni 0.5000 0.8000 -
Mo - 0.0600 -
Mn 0.7000 0.9000 -
Cu 0.2000 0.4000 -
Cr 0.5000 0.7500 -
C 0.3800 0.4800 -

Mechanical Properties of steel grade A325 Type 3B

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)
115 (≥) 325 (≥) 13 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade A325 Type 3B

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
24 - -     0.22 -  
454 184 - 11.3 231   -  
939 - 22 33.2   241 342

Heat Treatment of steel grade A325 Type 3B

Heat treated : 1155°C - 1471°C

Technological Curves of steel grade A325 Type 3B

Cross Reference Table (Equivalent Grade) of A325 Type 3B

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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