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

America SAE TypeBT Mechanical and quality requirements for tapping screws and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TypeBT / Type BT
Category Grade Standard Region/Area Standard Content
Metals Type BT SAE J 933 America Mechanical and quality requirements for tapping screws

Chemical composition(mass fraction)(wt.%) of the Type BT

Element Min Max Similar

Mechanical Properties of steel grade Type BT

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)
332 (≥) 511 (≥) 31 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade Type BT

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 - -     0.44 -  
723 836 - 11.3 233   -  
598 - 23 32.2   241 242

Heat Treatment of steel grade Type BT

Heat treated : 1651°C - 1391°C

Technological Curves of steel grade Type BT

Cross Reference Table (Equivalent Grade) of Type BT

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 Type BT?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top