Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

B 477 Grade A

Favorite Datasheet
B 472 R30556 B 477 Grade B
#B-4

Description

USA SAE B 477 (1997), B 477 Grade A Specialsteel Gold-Silver-Nickel Electrical Contact Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 477 Grade A
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 477 Grade A Precipitation-Hardening SAE USA Gold-Silver-Nickel Electrical Contact Alloy

Chemical composition(mass fraction)(wt.%) of the B 477 Grade A

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
≤0.01 ≤0.05 ≤1.50 ≤0.04 ≤0.01 ≤remaining 0.50 -1.50 0.10 -0.50 ≤0.50 ≤ ≥ 1.00 -6.00 26.00 -30.00 ≤2.50

Mechanical Properties of steel grade B 477 Grade A

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)
739 (≥) 697 (≥) 12 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade B 477 Grade A

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
41 - -     0.13 -  
891 626 - 13.3 334   -  
172 - 31 22.2   431 234

Heat Treatment of steel grade B 477 Grade A

Heat treated : 1889°C - 1258°C

Technological Curves of steel grade B 477 Grade A

Cross Reference Table (Equivalent Grade) of B 477 Grade A

Grade Standard Country Application
B-4
ASTM B-4
ASTM B-4
ASTM B-4

Relevant standard of B 477 Grade A

B 477 (1997) Gold-Silver-Nickel Electrical Contact Alloy B-477-(1997).pdf
B 472 R30556 B 477 Grade B
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 B 477 Grade A?
  • List your company on S&G now? Join
  • Non-paying users only
Top