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25-7-3 Grade 125

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China SY/T 25-7-3Grade125 耐蚀合金套管和油管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25-7-3Grade125 / 25-7-3 Grade 125
Category Grade Standard Region/Area Standard Content
Metals 25-7-3 Grade 125 SY/T 6950 China 耐蚀合金套管和油管

Chemical composition(mass fraction)(wt.%) of the 25-7-3 Grade 125

Element Min Max Similar
PRE 37.5000 - -
N - 0.1800 -
Mo - 3.0000 -
Ni - 7.0000 -
Cr - 25.0000 -
C - 0.0200 -

Mechanical Properties of steel grade 25-7-3 Grade 125

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)
958 (≥) 784 (≥) 21 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 25-7-3 Grade 125

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
14 - -     0.14 -  
269 647 - 34.3 423   -  
645 - 14 41.2   412 342

Heat Treatment of steel grade 25-7-3 Grade 125

Heat treated : 1128°C - 1767°C

Technological Curves of steel grade 25-7-3 Grade 125

Cross Reference Table (Equivalent Grade) of 25-7-3 Grade 125

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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