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ZG250-485

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China GB ZG250-485 通用阀门 碳素钢铸件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG250-485 / ZG250-485
Category Grade Standard Region/Area Standard Content
Metals ZG250-485 GB/T 12229 China 通用阀门 碳素钢铸件技术条件

Chemical composition(mass fraction)(wt.%) of the ZG250-485

Element Min Max Similar
CE - 0.5000 -
Total Others - 1.0000 -
V - 0.0300 -
Mo - 0.2500 -
Cr - 0.5000 -
Ni - 0.5000 -
Cu - 0.3000 -
Si - 0.6000 -
S - 0.0450 -
P - 0.0400 -
Mn - 1.0000 -
C - 0.3000 -

Mechanical Properties of steel grade ZG250-485

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)
285 (≥) 894 (≥) 34 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade ZG250-485

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
13 - -     0.44 -  
211 786 - 22.3 323   -  
748 - 31 43.2   234 433

Heat Treatment of steel grade ZG250-485

Heat treated : 1992°C - 1974°C

Technological Curves of steel grade ZG250-485

Cross Reference Table (Equivalent Grade) of ZG250-485

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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