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ZG275-485/20MN5M

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China NB ZG275-485/20MN5M 压水堆核电厂阀门 第2部分:碳素钢铸件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG275-485/20MN5M / ZG275-485/20MN5M
Category Grade Standard Region/Area Standard Content
Metals ZG275-485/20MN5M NB/T 20010.2 China 压水堆核电厂阀门 第2部分:碳素钢铸件技术条件

Chemical composition(mass fraction)(wt.%) of the ZG275-485/20MN5M

Element Min Max Similar
C - 0.2500 -
Mn - 1.2000 -
P - 0.0200 -
S - 0.0200 -
Si - 0.6000 -
Cu - 0.5000 -
Ni - 0.5000 -
Cr - 0.4000 -
Mo - 0.2500 -
V - 0.3000 -
Total others - 1.0000 -

Mechanical Properties of steel grade ZG275-485/20MN5M

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)
155 (≥) 199 (≥) 23 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade ZG275-485/20MN5M

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
12 - -     0.42 -  
895 619 - 23.3 424   -  
112 - 13 34.2   322 343

Heat Treatment of steel grade ZG275-485/20MN5M

Heat treated : 1396°C - 1552°C

Technological Curves of steel grade ZG275-485/20MN5M

Cross Reference Table (Equivalent Grade) of ZG275-485/20MN5M

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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