Tungsten heavy alloy grades
ams-t-21014
ams-t-21014 class 1 class 1 class 2 class 2
composition 90w7ni3fe 91w6ni3fe 92w5ni3fe 93w4ni3fe
density (gcm3) 17.1±0.15 17.25±0.15 17.50±0.15 17.60±0.15
heat treatment sintering sintering sintering sintering
tensile strength (mpa) 900-1000 900-1000 900-1100 900-1100
elongation (%) 18-29 17-27 16-26 16-24
hardness(hrc) 24-28 25-29 25-29 26-30
　
ams-t-21014 class 3 class 3 class 4
composition 95w3ni2fe 96w3ni1fe 97w2ni1fe
density (gcm3) 18.10±0.15 18.30±0.15 18.50±0.15
heat treatment sintering sintering sintering
tensile strength (mpa) 920-1100 920-1100 920-1100
elongation (%) 10-22 8-20 6-13
hardness(hrc) 27-32 28-34 28-36
　.

Tungsten heavy alloy grades
ams-t-21014
ams-t-21014 class 1 class 1 class 2 class 2
composition 90w7ni3fe 91w6ni3fe 92w5ni3fe 93w4ni3fe
density (gcm3) 17.1±0.15 17.25±0.15 17.50±0.15 17.60±0.15
heat treatment sintering sintering sintering sintering
tensile strength (mpa) 900-1000 900-1000 900-1100 900-1100
elongation (%) 18-29 17-27 16-26 16-24
hardness(hrc) 24-28 25-29 25-29 26-30
　
ams-t-21014 class 3 class 3 class 4
composition 95w3ni2fe 96w3ni1fe 97w2ni1fe
density (gcm3) 18.10±0.15 18.30±0.15 18.50±0.15
heat treatment sintering sintering sintering
tensile strength (mpa) 920-1100 920-1100 920-1100
elongation (%) 10-22 8-20 6-13
hardness(hrc) 27-32 28-34 28-36
　.