Certified Company
DNV&ABSCertified Company
DNV&ABSCertified Company
ISO 9001:2008R&D Production
In ChinaNA21 material is B.S. BS 3072 Specification for nickel and nickel alloys: sheet and plate B.S. BS 3074 Specification for nickel and nickel alloys: seamless tube B.S. BS 3076 Specification for nickel and nickel alloys: bar Specification for nickel and nickel alloys: bar.
Chemical composition of NA21, NA21 mechanical properties, NA21 datasheet, NA21 equivalent grade, Heat treatment and temperature process of NA21.
B.S. BS 3072 Specification for nickel and nickel alloys: sheet and plate |
B.S. BS 3074 Specification for nickel and nickel alloys: seamless tube |
B.S. BS 3076 Specification for nickel and nickel alloys: bar |
NA21 |
C: | Max | 0.10 |
Si: | Max | 0.50 |
Mn: | Max | 0.50 |
P: | Max | 0.015 |
S: | Max | 0.015 |
Cr: | 20.00 | 23.00 |
Ni: | 58.00 | Min |
Mo: | 8.00 | 10.00 |
Al: | Max | 0.40 |
Cu: | Max | Min |
Ti: | Max | 0.40 |
Fe: | Max | 5.00 |
Co: | Max | 1.00 |
Nb+Ta: | 3.15 | 4.15 |
Rp0.2 (MPa) | 513 (≥) |
Rm (MPa) | 198 (≥) |
AKV (J) | 13 |
A (%) | 43 |
Z (%) | 23 |
Hardness | HBW 214 |
NA21 Round bar: | 1mm-800mm |
NA21 Square bar: | 10mm * 10mm-600mm *600mm |
NA21 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
NA21 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
NA21 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
NA21 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |