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

A20378

Favorite Datasheet
A71354 A74204
#A20378

Description

China GBT A20378 China structural steel and alloy steel and A20378 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: A20378
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel A20378 GBT China China structural steel and alloy steel
A20404
A30304
A30354
A30424
A70204
A70284
A70354
A71145
A71204
A71354

Chemical composition(mass fraction)(wt.%) of the A20378

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.34-0.41 Max 0.40 0.50-0.80 0.035 0.035 0.20-0.40 0.0005-0.0035 0.02

Mechanical Properties of steel grade A20378

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)
213 (≥) 664 (≥) 43 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade A20378

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
43 - -     0.14 -  
292 547 - 31.3 313   -  
113 - 34 14.2   344 413

Heat Treatment of steel grade A20378

Heat treated : 1218°C - 1464°C

Technological Curves of steel grade A20378

Cross Reference Table (Equivalent Grade) of A20378

Grade Standard Country Application
A20378 GBT China China structural steel and alloy steel
A71354 A74204
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 A20378?
  • List your company on S&G now? Join
  • Non-paying users only
Top