MIM 17-4 H1100

MIM 17-4 H1100 (also known as MIM 17-4 PH H1100) is similar in composition to MIM 17-4 H900 with a different heat treatment temperature, the H1100 designation refers to the temperature at which the material is heated to 1100°F (593°C), Compared to H900, the yield strength is slightly lower, but the ductility and toughness levels are higher. The material is typically used in applications requiring high strength, corrosion resistance and the ability to withstand extreme temperatures.

Chemical Content

  • MIM 17-4 H1100
  • 304
  • 316L
  • 420
  • 440C
  • 17-4PH
  • 17-4 H900
17-4 H1100 Density Tensile Strength, Ultimate Tensile Strength, Yield Hardness Rockwell C Elongation at Break Reduction of Area Charpy Impact, Unnotched
7.7g/cm3 1000 MPa (145000psi) 910 MPa (132000psi) 34 0.12 0.33 140J（103 ft-lb）
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
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
17-4 H900 C Si S P Mn Cr Ni Cu Nb
w.t/% ≤0.07 ≤1.00 ≤0.03 ≤0.035 ≤1.0 15.5-17.5 3.0-5.0 3.0-5.0 0.15-0.45
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