USA ASTM H21 Alloy tool steel and H21 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel And Hard Alloy | H21 | ASTM | USA | Alloy tool steel |
T20811 |
|||||
T20810 |
|||||
H12 |
|||||
T20812 |
|||||
H13 |
|||||
T20813 |
|||||
H14 |
|||||
T20814 |
|||||
H19 |
|||||
T20819 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | V(%) | W(%) |
---|---|---|---|---|---|---|---|
0.26~0.36 | 0.15~0.50 | 0.15~0.40 | ≤0.030 | ≤0.030 | 3.00~3.75 | 0.30~0.60 | 8.50~10.0 |
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) |
---|---|---|---|---|---|---|
966 (≥) | 482 (≥) | 32 | 24 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.22 | - | |||
777 | 115 | - | 42.3 | 312 | - | ||
629 | - | 34 | 11.2 | 411 | 312 |
Heat treated : 1286°C - 1235°C
Grade | Standard | Country | Application |
---|---|---|---|
H21 | ASTM | USA | Alloy tool steel |
BH21 | UK | Carbide for cutting tools | |
BH21 | UK | Carbide for cutting tools | |
BH21A | UK | Carbide for cutting tools | |
BH21A | UK | Carbide for cutting tools | |
03X21H21M4Γ | ГОСТ | Russia | Austenitic |
ISO H21 | ISO | ISO | ISO standard heat-resisting alloy |
GH2130 | GBT | China | Age hardening type iron base alloy |
GH2132 | GBT | China | Age hardening type iron base alloy |
GH2135 | GBT | China | Age hardening type iron base alloy |
GH2136 | GBT | China | Age hardening type iron base alloy |
GH2135 | GBT | China | wrought Fe/Ni-base superalloy |
GH2150 | GBT | China | wrought Fe/Ni-base superalloy |
HGH2132 | GBT | China | Super alloy welding wire |
HGH2135 | GBT | China | Super alloy welding wire |
HGH2150 | GBT | China | Super alloy welding wire |
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