XM-12/15-5PH Stainless Steel Plate

Grade: XM-12/15-5PH

Thickness: 3.0mm-200mm

Width: 1.5m/2.0m/2.2m or as client’s requirement.

Standard: ASTM A240/A240M, JIS G4304, JISG 4305, EN 10088/3

Finish: No.1, Polished

XM-12 (15-5PH, UNS S15500) is a precipitation hardening stainless steel developed for improved toughness and transverse properties compared with 17-4PH. It combines high strength with good corrosion resistance.

Chemical Composition (Typical wt.%)

Element Value
Carbon (C) ≤0.07
Chromium (Cr) 14.00-15.50
Nickel (Ni) 3.50-5.50
Copper (Cu) 2.50-4.50
Nb+Ta 0.15-0.45

Mechanical Properties (Typical Condition)

Property Value
Tensile Strength ≥930 MPa
Yield Strength ≥790 MPa
Hardness Up to 44 HRC
  • Aerospace components
  • Valves
  • Shafts
  • Oil and gas equipment

XM-12 (15-5PH, UNS S15500) is a precipitation hardening stainless steel developed for improved toughness and transverse properties compared with 17-4PH. It combines high strength with good corrosion resistance.

Chemical Composition (Typical wt.%)

Element Value
Carbon (C) ≤0.07
Chromium (Cr) 14.00-15.50
Nickel (Ni) 3.50-5.50
Copper (Cu) 2.50-4.50
Nb+Ta 0.15-0.45

Mechanical Properties (Typical Condition)

Property Value
Tensile Strength ≥930 MPa
Yield Strength ≥790 MPa
Hardness Up to 44 HRC
  • Aerospace components
  • Valves
  • Shafts
  • Oil and gas equipment

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