Available 24/7 at contact@steel-grades.com

SUS 431FB

Description

Japan JIS G 4319 (1991), SUS 431FB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 431FB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 431FB Martensite JIS Japan Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the SUS 431FB

C Si Mn P S Cr Ni Mo
≤0.20 ≤1.00 ≤1.00 ≤0.04 ≤0.03 15.00 -17.00 1.25 -2.50 ≤ ≥

Mechanical Properties of steel grade SUS 431FB

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)
569 (≥) 413 (≥) 44 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SUS 431FB

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
13 - -     0.14 -  
431 458 - 31.3 233   -  
299 - 21 43.2   113 421

Heat Treatment of steel grade SUS 431FB

Heat treated : 1359°C - 1985°C

Technological Curves of steel grade SUS 431FB

Relevant standard of SUS 431FB

G 4319 (1991) Stainless steel blooms and billets for forgings G-4319-(1991).pdf

Available Suppliers

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 SUS 431FB?
  • List your company on S&G now? Join
  • Non-paying users only
Top