Certified Company
DNV&ABSCertified Company
DNV&ABSCertified Company
ISO 9001:2008R&D Production
In ChinaZ12CKNDWNb21-20-20 material is The vent valve steel.
Chemical composition of Z12CKNDWNb21-20-20, Z12CKNDWNb21-20-20 mechanical properties, Z12CKNDWNb21-20-20 datasheet, Z12CKNDWNb21-20-20 equivalent grade, Heat treatment and temperature process of Z12CKNDWNb21-20-20.
Z12CKNDWNb21-20-20 |
C | 0.08-0.16 |
Si | Max 1.00 |
Mn | 1.00-2.00 |
P | Max 0.040 |
S | Max 0.030 |
Cr | 20.0-22.5 |
Ni | 19.0-21.0 |
Mo | 2.50-3.50 |
W | 2.00-3.00 |
Co | 18.5-21.0 |
Nb | 0.75-1.25 |
Rp0.2 (MPa) | 957 (≥) |
Rm (MPa) | 333 (≥) |
AKV (J) | 43 |
A (%) | 31 |
Z (%) | 12 |
Hardness | HBW 323 |
Z12CKNDWNb21-20-20 Round bar: | 1mm-800mm |
Z12CKNDWNb21-20-20 Square bar: | 10mm * 10mm-600mm *600mm |
Z12CKNDWNb21-20-20 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
Z12CKNDWNb21-20-20 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
Z12CKNDWNb21-20-20 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
Z12CKNDWNb21-20-20 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |