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ML25B

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China GB ML25B 冷镦钢热轧盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ML25B / ML25B
Category Grade Standard Region/Area Standard Content
Metals ML25B GB/T 28906 China 冷镦钢热轧盘条

Chemical composition(mass fraction)(wt.%) of the ML25B

Element Min Max Similar
Al 0.0200 - -
B 0.0008 0.0035 -
S - 0.0250 -
P - 0.0250 -
Mn 0.6000 0.9000 -
Si 0.1000 0.3000 -
C 0.2300 0.2800 -
Ni - 0.2000 -
Cr - 0.2000 -
Cu - 0.2000 -
Si 0.1000 0.3000 -
S - 0.0250 -
P - 0.0250 -
Mn 0.6000 0.9000 -
C 0.2300 0.2800 -
B 0.0008 0.0035 -
Al 0.0200 - -

Mechanical Properties of steel grade ML25B

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)
165 (≥) 428 (≥) 21 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade ML25B

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 - -     0.44 -  
515 556 - 13.3 113   -  
266 - 44 14.2   431 212

Heat Treatment of steel grade ML25B

Heat treated : 1834°C - 1265°C

Technological Curves of steel grade ML25B

Cross Reference Table (Equivalent Grade) of ML25B

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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