Stainless 17-4 PH Bright Bar Manufacturer & Supplier
Precipitation hardening stainless bar. Machined in the solution annealed condition, then aged at 480-620 °C to past 1300 MPa with almost no distortion — so finished parts can be hardened after machining.
UNS: UNS S17400 / 1.4542 | Category: Stainless Bright Bar
Size Range
Outer Diameter: Diameter 8-120 mm · Round, square, hexagon & flat sections
Chemical Composition (%)
| C | Cr | Ni | Cu | Nb |
|---|---|---|---|---|
| 0.07 max | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.15-0.45 |
Mechanical Properties
- Tensile Strength
- 1310 MPa (H900)
- Yield Strength
- 1170 MPa (H900)
- Elongation
- 10%
- Hardness
- 44 HRC (H900) to 32 HRC (H1150)
Applicable Standards
- EN 10088-3 (corrosion resisting bars)
- EN 10278 (dimensions & tolerances)
- ASTM A276 / A479
- ASTM A582 (free machining)
- EN 10204 3.1 certification
Applications
- Wellhead & valve components
- Pump shafts in corrosive duty
- Aerospace fittings
- Mould & die inserts
- High strength fasteners
Industries Served
- Oil & Gas
- Defence
- Pumps & Valves
- Power & Energy
- Tool & Die
- Chemical & Petrochemical
Equivalent Grades
- Werkstoff / DIN
- 1.4542 / X5CrNiCuNb16-4
- JIS
- SUS630