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

X 8 CrNi 25 21

Germany DIN X8CrNi2521 Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8CrNi2521 / X 8 CrNi 25 21
Category Grade Standard Region/Area Standard Content
Metals X 8 CrNi 25 21 DIN EN 10296-2 Germany Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%) of the X 8 CrNi 25 21

Element Min Max Similar
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -

Mechanical Properties of steel grade X 8 CrNi 25 21

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)
275 (≥) 736 (≥) 32 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade X 8 CrNi 25 21

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
24 - -     0.34 -  
494 773 - 33.3 313   -  
695 - 43 43.2   331 221

Heat Treatment of steel grade X 8 CrNi 25 21

Heat treated : 1838°C - 1926°C

Technological Curves of steel grade X 8 CrNi 25 21

Cross Reference Table (Equivalent Grade) of X 8 CrNi 25 21

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 X 8 CrNi 25 21?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top