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

8 CrMo 5-5

Korea KS 8CrMo5-5 Seamless steel tubes for pressure purpose-Technical delivery Conditions - Part 2:Unalloyed and alloyed steels with specified elevated temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8CrMo5-5 / 8 CrMo 5-5
Category Grade Standard Region/Area Standard Content
Metals 8 CrMo 5-5 KS D ISO 9329-2 Korea Seamless steel tubes for pressure purpose-Technical delivery Conditions - Part 2:Unalloyed and alloyed steels with specified elevated temperature properties

Chemical composition(mass fraction)(wt.%) of the 8 CrMo 5-5

Element Min Max Similar
C - 0.1500 -
Mn 0.3000 0.6000 -
P - 0.0300 -
S - 0.0300 -
Si 0.5000 1.0000 -
Cr 1.0000 1.5000 -
Mo 0.4500 0.6500 -
Al - 0.0200 -

Mechanical Properties of steel grade 8 CrMo 5-5

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)
239 (≥) 884 (≥) 13 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 8 CrMo 5-5

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 - -     0.44 -  
116 278 - 11.3 412   -  
583 - 23 32.2   142 131

Heat Treatment of steel grade 8 CrMo 5-5

Heat treated : 1536°C - 1695°C

Technological Curves of steel grade 8 CrMo 5-5

Cross Reference Table (Equivalent Grade) of 8 CrMo 5-5

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 8 CrMo 5-5?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top