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P280GH

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China NB P280GH 压水堆核电厂阀门 第4部分：碳素钢锻件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P280GH / P280GH
Category Grade Standard Region/Area Standard Content
Metals P280GH NB/T 20010.4 China 压水堆核电厂阀门 第4部分：碳素钢锻件技术条件

Chemical composition(mass fraction)(wt.%) of the P280GH

Element Min Max Similar
Al 0.0200 0.0500 -
Sn - 0.0300 -
Mo - 0.1000 -
Cr - 0.2500 -
Ni - 0.5000 -
Cu - 0.2500 -
P - 0.0250 -
S - 0.0200 -
Mn 0.8000 1.6000 -
Si 0.1000 0.4000 -
C - 0.2200 -
Al 0.0200 0.0500 -
Sn - 0.0300 -
Mo - 0.1000 -
Cr - 0.2500 -
Ni - 0.5000 -
Cu - 0.2500 -
P - 0.0200 -
S - 0.0150 -
Mn 0.8000 1.6000 -
Si 0.1000 0.3500 -
C - 0.2000 -

Mechanical Properties of steel grade P280GH

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)
496 (≥) 244 (≥) 22 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade P280GH

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 - -     0.34 -  
821 753 - 23.3 411   -  
268 - 24 21.2   343 121

Heat Treatment of steel grade P280GH

Heat treated : 1353°C - 1822°C

Technological Curves of steel grade P280GH

Cross Reference Table (Equivalent Grade) of P280GH

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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Jiangyou Longhai Special Steel Co.,Ltd.

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