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P 355 QH

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France AFNOR NF P355QH 压力平板钢产品-第6部分:可焊接细晶钢，淬火和回火 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P355QH / P 355 QH
Category Grade Standard Region/Area Standard Content
Metals P 355 QH NF EN 10028-6 France 压力平板钢产品-第6部分:可焊接细晶钢，淬火和回火

Chemical composition(mass fraction)(wt.%) of the P 355 QH

Element Min Max Similar
Zr - 0.0500 -
V - 0.0600 -
Ti - 0.0300 -
Si - 0.4000 -
S - 0.0150 -
P - 0.0250 -
Ni - 0.5000 -
Nb - 0.0500 -
N - 0.0150 -
Mo - 0.2500 -
Mn - 1.5000 -
Cu - 0.3000 -
Cr - 0.3000 -
C - 0.1600 -
B - 0.0050 -
Al - - -

Mechanical Properties of steel grade P 355 QH

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)
968 (≥) 477 (≥) 41 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade P 355 QH

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
11 - -     0.42 -  
244 462 - 34.3 431   -  
789 - 24 13.2   334 141

Heat Treatment of steel grade P 355 QH

Heat treated : 1144°C - 1539°C

Technological Curves of steel grade P 355 QH

Cross Reference Table (Equivalent Grade) of P 355 QH

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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