Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

ML20B

Favorite Datasheet
ML42CrMo ML28B
#ML20B

Description

China GBT ML20B China structural steel and alloy steel and ML20B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML20B
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML20B GBT China China structural steel and alloy steel
ML45
ML15Mn
ML25Mn
ML30Mn
ML35Mn
ML37Cr
ML40Cr
ML30CrMo
ML35CrMo
ML42CrMo

Chemical composition(mass fraction)(wt.%) of the ML20B

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.17-0.24 Max 0.40 0.50-0.80 0.035 0.035 — 0.0005-0.0035 0.02

Mechanical Properties of steel grade ML20B

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)
548 (≥) 421 (≥) 34 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade ML20B

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
23 - -     0.34 -  
764 252 - 11.3 213   -  
464 - 32 42.2   421 142

Heat Treatment of steel grade ML20B

Heat treated : 1365°C - 1474°C

Technological Curves of steel grade ML20B

Cross Reference Table (Equivalent Grade) of ML20B

Grade Standard Country Application
ML20B GBT China China structural steel and alloy steel
ML42CrMo ML28B
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this ML20B?
  • List your company on S&G now? Join
  • Non-paying users only
Top