ASTM B574 Alloy C276 Round Bar, Solution Annealed | UNS N10276

Shaanxi Shangyou Stainless Steel Co., Ltd. supplies astm b574 alloy c276 round bar, solution annealed | uns n10276 for buyers whose primary search intent is machined chemical-process components for severe reducing media, not generic stainless or nickel-alloy stock. The page should be quoted against the selected standard edition, the equipment or component drawing and the governing design code. Solution-annealed Alloy C276 rod and round bar to ASTM B574 for valves, pumps, fasteners and other machined corrosion-resistant components.

The material decision should start with service conditions. Low-carbon Ni-Mo-Cr-W alloy with high molybdenum and proven resistance in many reducing acids, chlorides and pollution-control environments. C276 often leads in reducing service; C22 may be preferred where higher chromium improves the oxidizing side of the corrosion envelope. This comparison belongs in the enquiry stage because a higher alloy name does not automatically deliver the lowest life-cycle risk.

A complete RFQ needs product form, grade/UNS, ordered condition, dimensional basis, tolerances, quantity and inspection level. Define diameter, tolerance, length, straightness, finish, machining allowance and UT requirement. Do not infer bar properties from plate data. For pressure-containing products, the material standard controls product quality; it does not replace pressure-design calculations, corrosion allowance or code approval.

Manufacturing and documentation must remain connected. Hot or cold working, solution annealing, straightening and surface finishing; heat traceability after cut-to-length processing. The baseline verification plan is: MTC, chemistry/mechanical tests, PMI, dimensional checks, optional UT and PT depending on finished-part criticality. Any supplementary requirement—PMI extent, UT class, eddy-current acceptance, corrosion testing, grain size, roughness, cleanliness or third-party inspection—must appear in the PO before production.

Fabrication guidance: Machining requires rigid setups and positive feeds because the alloy work hardens. Avoid dwelling and maintain clean coolant. Selection boundary: C276 can suffer in some strongly oxidizing hot acids and is not immune to crevice or erosion-corrosion. Use verified corrosion data for the exact process. Buyers should provide fluid composition, maximum and minimum temperature, pressure, design life, fabrication route and applicable code so the quotation can separate mandatory requirements from optional controls.

Standards, Dimensions and Supply Definition

Material and Selection Markers

Use note: Values above are concise identification/selection markers, not a replacement for the ordered ASTM/AWS chemistry table or the MTC.

Candidate Applications

• Valve trim.
• Pump shafts.
• Agitator components.
• Chemical-service fasteners.

Buyer Decision Boundary

C276 often leads in reducing service; C22 may be preferred where higher chromium improves the oxidizing side of the corrosion envelope.

Processing, Inspection and Documentation

• Manufacturing: Hot or cold working, solution annealing, straightening and surface finishing; heat traceability after cut-to-length processing.
• Fabrication: Machining requires rigid setups and positive feeds because the alloy work hardens. Avoid dwelling and maintain clean coolant.
• Inspection: MTC, chemistry/mechanical tests, PMI, dimensional checks, optional UT and PT depending on finished-part criticality.
• Traceability: Keep heat/lot identity through cutting, machining, bending, welding, testing and packing.
• Documentation: Confirm MTC type, test reports, packing list, country-of-origin statement and third-party inspection before production.

RFQ Checklist

• Standard and adopted edition: ASTM B574
• Grade / UNS: Alloy C276 / N10276
• Form and route: Rod and round bar
• Dimensions, tolerances, quantity and unit basis
• Delivery/heat-treatment condition and surface/end finish
• Design code, service fluid/atmosphere, pressure and temperature
• Inspection/NDE, acceptance criteria, MTC and third-party witness points
• Marking, preservation, packing and delivery destination

Inquiry CTA

Frequently Asked Questions

1. What does ASTM B574 cover for this product? Solution-annealed Alloy C276 rod and round bar to ASTM B574 for valves, pumps, fasteners and other machined corrosion-resistant components. Always purchase to the edition adopted by the contract or project specification.
2. Is this product seamless, welded, forged, rolled or drawn? The PO must state the required route exactly: Rod and round bar. Do not rely on a product photograph or a family name to establish the route.
3. How should buyers select Alloy C276? Low-carbon Ni-Mo-Cr-W alloy with high molybdenum and proven resistance in many reducing acids, chlorides and pollution-control environments. C276 often leads in reducing service; C22 may be preferred where higher chromium improves the oxidizing side of the corrosion envelope.
4. Which dimensions must be included in the RFQ? Define diameter, tolerance, length, straightness, finish, machining allowance and UT requirement. Do not infer bar properties from plate data. Add quantity, unit basis, tolerances and any drawing-controlled geometry.
5. What heat-treatment or delivery condition is required? Solution annealed and descaled; hot- or cold-finished route to PO. The MTC and heat-treatment records should use the same grade and condition language as the PO.
6. Which inspection documents can be requested? MTC, chemistry/mechanical tests, PMI, dimensional checks, optional UT and PT depending on finished-part criticality. The final inspection scope must be agreed before order placement.
7. Is it suitable for the intended corrosive or high-temperature service? C276 can suffer in some strongly oxidizing hot acids and is not immune to crevice or erosion-corrosion. Use verified corrosion data for the exact process. A material engineer should approve the final choice using actual service data.
8. What fabrication issues should be addressed? Machining requires rigid setups and positive feeds because the alloy work hardens. Avoid dwelling and maintain clean coolant. Use a qualified procedure and preserve heat/lot traceability after cutting or fabrication.
9. What are typical applications? Common candidate applications include valve trim, pump shafts, agitator components, chemical-service fasteners. These examples are not blanket design approvals.
10. What information is needed for a firm quotation? Send standard and edition, grade/UNS, form, dimensions, condition, quantity, delivery destination, inspection/NDE, documentation, packing and any third-party inspection or code requirement.