17-4 PH SS is a martensitic, chromium-nickel-copper precipitation-hardening stainless steel. 17-4 PH stainless steel bar is capable of attaining a wide range of strength and toughness properties depending on the precipitation or aging temperature used in hardening. Its valuable combination of high strength, good corrosion resistance and toughness in both base metals and welds gives designers opportunities to add reliability to their products while simplifying fabrication and often reducing costs. High strength is maintained to approximately 600°F (316°C). This material has good resistance to stress corrosion cracking in the lower strength conditions. Our 17-4 PH Stainless Steel is a precipitation hardening martensitic stainless steel. Typical usages are seen in the applications requires high strength and modest level of corrosion resistance. Strengthen and hardness desired can be manipulated by the temperate range in heating treatment process. Great Stainless offers high quality standards including UNS S17400, AMS 5643, ASTM A564, and ASTM A693 Grade 630. 17-4 PH stainless steel could be used for a variety of industries including pump shafts, oil path, mechanical seals, and within the aerospace industry. Its compositions are carbon, chromium, Columbian and tantalum, copper, manganese, nickel, phosphorous, silicon, and sulfur.
Specifications
The following specifications cover Stainless Steel 17-4
AISI 630
AMS 5604
AMS 5622
AMS 5643
ASTM A564 (630)
ASTM A693 (630)
ASTM A705 (630)
MIL C-24111
MIL P-47183
MIL S-81591
UNS S17400
17-4 Ph Bar & Rod Specification
17-4 Ph Surface finish
| CD | Cold drawn | P | Polished |
| BD | Bright drawn | SRE | Slit rolled edge |
| CG | Centreless ground | HF | Hot finished |
| CF | Cold finished | HRAP | Hot rolled annealed and pickled |
| P&T | Peeled and turned | RT | Rough turned/peeled |
| ST | Smooth turned | PR | Peeled and reeled |
17-4 Ph Round Bar Sizes
| Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
| Cold Drawn and Polish | 3.00 – 75.00 | 1/8" – 3.00" | h8-h9-h10-h11 |
| Cold Drawn and Ground | 10.00 – 75.00 | 5/6" – 2.50" | h8-h9-h10-h11 |
| Peeled and Polished | 40.00 – 150.00 | 1.50" – 6.00" | h11, h11-DIN 1013 |
| Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00" | h9-h10-h11 |
17-4 Ph Bars Standard lengths of 2000 mm up to 6000 mm. Cut to size on request (tolerance +2/-0 mm).
| 5.0 | 45.0 |
| 6.0 | 50.0 |
| 7.0 | 55.0 |
| 8.0 | 60.0 |
| 9.0 | 65.0 |
| 10.0 | 70.0 |
| 12.0 | 75.0 |
| 16.0 | 80.0 |
| 20.0 | 90.0 |
| 25.0 | 100.0 |
| 30.0 | 130.0 |
| 35.0 | 160.0 |
| 40.0 | 200.0 |
The following specifications cover Stainless Steel 17-4
AISI 630
AMS 5604
AMS 5622
AMS 5643
ASTM A564 (630)
ASTM A693 (630)
ASTM A705 (630)
MIL C-24111
MIL P-47183
MIL S-81591
UNS S17400
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