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

America ASTM A681O7 Tool Steels Alloy and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A681O7 / A681 O7
Category Grade Standard Region/Area Standard Content
Metals A681 O7 ASTM A681 America Tool Steels Alloy

Chemical composition(mass fraction)(wt.%) of the A681 O7

Element Min Max Similar
W 1.0000 2.0000 -
V 0.1500 0.4000 -
Mo - 0.0300 -
Cr 0.3500 0.8500 -
P - 0.0300 -
S - 0.0300 -
Mn 0.2000 1.0000 -
Si 0.1000 0.6000 -
C 1.1000 1.3000 -
W 1.0000 2.0000 -
V 0.1500 0.4000 -
Si 0.1000 0.6000 -
S - 0.0300 -
P - 0.0300 -
Ni+Cu - 0.7500 -
Mo - 0.3000 -
Mn 0.2000 1.0000 -
Cr 0.3500 0.8500 -
C 1.1000 1.3000 -

Mechanical Properties of steel grade A681 O7

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)
481 (≥) 869 (≥) 13 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade A681 O7

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
14 - -     0.14 -  
263 337 - 23.3 414   -  
632 - 31 42.2   443 321

Heat Treatment of steel grade A681 O7

Heat treated : 1168°C - 1113°C

Technological Curves of steel grade A681 O7

Cross Reference Table (Equivalent Grade) of A681 O7

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 A681 O7?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top