Lork Group high-quality 15-5 PH stainless steel is a martensitic precipitation-hardening stainless steel with approximately 15% Chromium and 5% Nickel. It has high strength, high hardness, and excellent corrosion resistance.

Lork Group high-quality 15-5 PH, also known as also known as UNS S15500 or XM-12,is a martensitic, precipitation hardening stainless steel. Popular due to its high strength and good corrosion resistance.

15-5 PH stainless steel is a martensitic precipitation-hardening stainless steel with approximately 15% Chromium and 5% Nickel. It has high strength, high hardness, and excellent corrosion resistance. Strength can be further increased by a single low temperature heat treatment. Compared to 17-4 PH, it offers better transverse toughness and ductility; better mechanical properties in larger cross-sections, and better forgeability. It is readily weldable. It can be machined in any of the several Thermal Conditions available to this grade.

15-5 ESR to the following specifications

AMS 5659 TYPE 2

ASTM-A-484

UNS-S15500

15-5 PH VAC MELT to the following specifications

AMS 5659 TYPE 1

ASTM-A-484

15-5 VIM COND H-1025 to the following specifications

AMS-5659 T-1 (COND H-1025)

AMS-H-6875

ASTM-A-484

ASTM-A-564 TYPE XM-12 (COND H-1025)

15-5 VIM COND H-1050 to the following specifications

AMS-5659 T-1 (EXC. COND)

AMS-H-6875

ASTM-A-484

ASTM-A-564 TYPE XM-12 (EXC. COND)

BAC-5619 (150-170 MIN. TENS.)

AMS 5862: Sheet, Strip and Plate.

AMS 5826: Welding Wire

• Aerospace structural components
• Valves
• Gears and Shafts
• Oil and Gas components
• Nuclear reactor components

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