PSQ Bar Distributor
As one of the largest stainless steel pump shaft quality bar distributors in the U.S., Ram Alloys supplies PSQ bar for rotating applications that demand tight diameter tolerances, consistent surface finish, and reliable mechanical performance. As a trusted nickel PSQ bar supplier, we carry deep inventory across stainless steel and nickel alloy grades to serve pump systems, industrial mixer manufacturers, and oil and gas operations. Our in-house processing capabilities and dedicated sales team ensure job-ready material ships on schedule — without delays tied to rework or inconsistent shafting.
PSQ Bar Applications
Pump systems, industrial mixers, and oil and gas operations each demand rotating components that perform reliably under continuous load and strict dimensional requirements. Centrifugal, positive displacement, and submersible pump manufacturers rely on PSQ bar for shaft concentricity and balance. Industrial mixer builders specify PSQ bar to minimize vibration and extend equipment service life. Oil and gas operators require corrosion-resistant grades with full material traceability for both surface and downhole equipment. Across all three sectors, straightness, surface finish, and diameter control are non-negotiable.
PSQ Bar Materials
Ram Alloys stocks stainless steel and nickel PSQ bar across the grades most commonly specified for pump, mixer, and oil and gas rotating equipment:
- Stainless Steel 316 — Excellent corrosion resistance for pump and mixer environments handling aqueous media
- Stainless Steel 17-4 PH — High strength and hardness; widely used in high-performance pump shafts
- Stainless Steel 416 — Free-machining grade suited for high-volume shaft production
- Stainless Steel 410 — Martensitic grade offering good strength and moderate corrosion resistance
- Nitronic 50 Stainless Steel — Superior corrosion resistance and double the yield strength of 316; a leading PSQ grade
- Duplex 2205 — Combines high strength with excellent resistance to chloride stress corrosion cracking
- Super Duplex S32750 — For the most aggressive corrosive environments in oil and gas service
- Alloy 20 — Exceptional resistance to sulfuric acid environments; ideal for chemical processing pumps
- Nickel Alloy 400 — Excellent resistance to seawater and hydrofluoric acid; specified in marine and oil and gas pump systems
- Nickel Alloy 500 — High-strength nickel PSQ bar for demanding downhole and pump shaft applications
All grades are available to PSQ tolerances with full material certifications. Refer to the mechanical properties table below for tensile strength, yield strength, elongation, and hardness specifications.
Mechanical Composition Table
| Grade | UNS Number | Tensile Min (psi) | Yield Min (psi) | Elongation Min % | Reductions Min % | Hardness BHN |
|---|---|---|---|---|---|---|
| 316 | S31603 | 70,000 | 30,000 | 40 | 50 | 233 Max |
| 416 | S41600 | 100,000 | 85,000 | 20 | 46 | 207 - 262 |
| 410 | S41000 | 110,000 | 85,000 | 15 | 45 | 223 - 269 |
| 17-4 | S17400 | 135,000 | 105,000 | 16 | 50 | 277 Min |
| XM19 | S20910 | 135,000 | 105,000 | 25 | 50 | 325 Max |
| Duplex | S31803 | 90,000 | 65,000 | 25 | 50 | 290 Max |
| Duplex | S32750 | |||||
| Less or Equal to 2" | 116,000 | 80,000 | 15 | * | 310 Max | |
| Greater Than 2" | 110,000 | 75,000 | 15 | * | 310 Max | |
| K500 | N05500 | 140,000 | 100,000 | 20 | 40 | 310 Max |
| Alloy 20 | N08020 | 80,000 | 35,000 | 30 | 50 | * |
Value-Added Processing Services
Ram Alloys combines deep PSQ bar inventory with comprehensive in-house processing services to deliver job-ready material that meets your exact application requirements. A dedicated sales team member responds quickly and coordinates every step from quote to shipment. Our capabilities include:
- Semi-machining of parts
- Centerless grinding
- OD turning
- Production saw cutting performed in-house
- Trepanning
- Boring, honing, and heat treating
Request a Quote
As one of the largest stainless steel pump shaft quality bar distributors in the U.S., Ram Alloys delivers the inventory depth, in-house processing precision, and fast turnaround that pump systems, industrial mixer builders, and oil and gas operations demand. Contact our team today — Request a quote online or call 713.466.1890 to speak with a Ram Alloys representative about your PSQ bar requirements.