High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

Z20CN21-12Az


Z20CN21-12Az material is AFNOR NF A 35-579 Valve steels and alloys for internal combustion engines Valve steels and alloys for internal combustion engines.

Chemical composition of Z20CN21-12Az, Z20CN21-12Az mechanical properties, Z20CN21-12Az datasheet, Z20CN21-12Az equivalent grade, Heat treatment and temperature process of Z20CN21-12Az.


Z20CN21-12Az property sheet

Z20CN21-12Az Spec.

AFNOR NF A 35-579
Valve steels and alloys for internal combustion engines

Related Materials

Z20CN21-12Az

Chemical Composition of Z20CN21-12Az

C: 0.15 0.25
Si: 0.70 1.30
Mn: 1.00 1.50
P: Max 0.040
S: Max 0.030
Cr: 20.00 22.00
Ni: 10.50 12.50
Mo: Max Min
N: 0.15 0.25

Mechanical Properties of Z20CN21-12Az

Rp0.2 (MPa) 445 (≥)
Rm (MPa) 953 (≥)
AKV (J) 42
A (%) 24
Z (%) 32
Hardness HBW 343

Z20CN21-12Az shape and dimensions

Z20CN21-12Az Round bar: 1mm-800mm
Z20CN21-12Az Square bar: 10mm * 10mm-600mm *600mm
Z20CN21-12Az Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Z20CN21-12Az Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Z20CN21-12Az Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Z20CN21-12Az Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes