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A304 1345 H

America ASTM A3041345H 有末端淬火淬透性要求的合金钢棒材的技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A3041345H / A304 1345 H
Category Grade Standard Region/Area Standard Content
Metals A304 1345 H ASTM A304 America 有末端淬火淬透性要求的合金钢棒材的技术规范

Chemical composition(mass fraction)(wt.%) of the A304 1345 H

Element Min Max Similar
P - 0.0350 -
S - 0.0400 -
Mn 1.4500 2.0500 -
Si 0.1500 0.3500 -
C 0.4200 0.4900 -
Si 0.1500 0.3500 -
S - 0.0400 -
Pb - - -
P - 0.0350 -
Ni - 0.2500 -
Mo - 0.0600 -
Mn 1.4500 2.0500 -
Cu - 0.3500 -
Cr - 0.2000 -
C 0.4200 0.4900 -

Mechanical Properties of steel grade A304 1345 H

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)
834 (≥) 482 (≥) 31 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade A304 1345 H

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
21 - -     0.13 -  
638 838 - 14.3 132   -  
959 - 33 12.2   322 242

Heat Treatment of steel grade A304 1345 H

Heat treated : 1239°C - 1227°C

Technological Curves of steel grade A304 1345 H

Cross Reference Table (Equivalent Grade) of A304 1345 H

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