17-4PH (Without heat treatment)

Based on 17-4PH has relatively balanced corrosion resistance and good strength, and its carbon content is lower than 400 series stainless steel, so it is widely used in aerospace, dental, medical oral and foreign industries.

Chemical Content

17-4PH C Si S P Mn Cr Ni Nb+Ta
w.t/% ≤0.07 ≤1.00 ≤0.03 ≤0.04 ≤1.0 15.5-17.5 3.0-5.0 0.15-0.45
17-4PH Finished product density Injection density Hardness Hardness after heat treatment Tensile strength yield strength
7.56-7.60 5.38-5.50 HV260-340 ≥550 ≥950Mpa ≥660Mpa
304 C Si S P Mn Cr Ni Fe
w.t/% ≤0.03 ≤1.00 ≤0.03 ≤0.03 ≤2.0 18.0-20.0 8.0-11.0 Bal
316L C Si S P Mn Cr Ni Mo N
w.t/% 0.03 0.75 0.03 0.045 2 16-18 10-14 2-3 0.1
316L Finished product density Injection density Hardness Hardness after heat treatment Tensile strength yield strength
7.88-7.90 5.40-5.50 ≥HV130 / ≥514Mpa ≥180Mpa
420 C Si S P Mn Cr Ni
w.t/% 0.16-0.25 ≤1.00 ≤0.03 ≤0.04 ≤1.0 12.0-14.0 ≤0.75
420 Finished product density Injection density Hardness Hardness after heat treatment Tensile strength yield strength
7.25-7.3 4.66-4.70 ≥320 ≥460 ≥1600Mpa ≥1300Mpa
440C C Si S P Mn Cr Ni
w.t/% 0.95-1.20 ≤1.00 ≤0.03 ≤0.035 ≤1.0 16.0-18.0 ≤0.60
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