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

STM-R 830

Japan JIS STM-R830 钻探用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STM-R830 / STM-R 830
Category Grade Standard Region/Area Standard Content
Metals STM-R 830 JIS G3465 Japan 钻探用无缝钢管

Chemical composition(mass fraction)(wt.%) of the STM-R 830

Element Min Max Similar

Mechanical Properties of steel grade STM-R 830

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)
474 (≥) 685 (≥) 22 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade STM-R 830

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
42 - -     0.21 -  
963 477 - 32.3 413   -  
458 - 33 23.2   313 222

Heat Treatment of steel grade STM-R 830

Heat treated : 1682°C - 1923°C

Technological Curves of steel grade STM-R 830

Cross Reference Table (Equivalent Grade) of STM-R 830

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 STM-R 830?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top