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15-5 PH Stainless Steel Round Bar

15-5 PH Stainless Steel Bar is also known as UNS S15500 or XM-12. It is suitable for many industries due to its low temperature hardening, good fabrication properties and excellent corrosion resistance. It is a martensitic precipitation hardening type stainless steel bar. AMS 5659 H1025 can be machined in the solution-annealed state or in final heat treat condition. Its strength and ductility can be enhanced through heating the material at different temperatures. It is designed to be corrosion resistant and hardened through heat treatment. 15-5 PH Stainless Steel Round Bar offers better transverse toughness and ductility; better mechanical properties in larger cross-sections, and better forgeability compared to 17-4 PH Stainless Steel Round Bar. It can be machined under any of the attainable environment. Firstly, it is mildly formed in the overaged condition. It is then welded by using welding methods such as shielded fusion or resistance methods. It is been heat treated at 1038°C for 1/2 h, and then air cooled. This process is followed by hot-working and then it is annealed at 1038°C for 1 h and lastly it is cold-worked to improve its yield strength. 15-5 PH Hex Bar is useful in many industrial applications and some of them are aircraft components, paper mill equipment, nuclear reactor components, hallow shafts, engine parts, gears and marine gas turbine compressor sections

15-5 PH Stainless Steel Round Bar Specifications

Specification 15-5 PH
- XM-12
- 1.4545
- AMS 5659
- UNS S15500
- AMS 5658
- DFARS Compliant
- ASTM A564
- AMS 5562
- AMS 5862
Dimensions DIN, BS, EN, AISI, ASTM, JIS, ASME
Manufacturing Forms Round, Ingot, Billet, Forging, Hex (A/F), Square, Rectangle,
Quality NACE MR 0175

ASTM A564 type XM-12 Round Bar Chemical Composition

Type Carbon Fe P Si Cr Ni Al Mn S Cb+Ta
15-5PH Bar 00.07 Bal 00.04 1.0 14.0 – 15.5 3.5 – 5.5 1.0 0.03 0.15 – 0.45

15-5ph AMS 5862 Rods Mechanical Properties

15-5 PH Bar Condition Ultimate Tensile Stress (ksi) AMS 5659 Rod 0.2 % Yield Stress (ksi) Hardness Rockwell C Reduction Of Area (%) Elongation % in 2D
Condition A 363 HB max
H900 190 170 388-444 35 10
H925 170 155 375-429 38 10
H1025 155 145 331-401 45 12
H1075 145 125 311-375 45 13
H1100 140 115 302-363 45 14
H1150 135 105 277-352 50 16
H1150-M 115 75,000 PSI 255 35 14

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