Securing Nickel Alloy C-276 Plate in Five Days Without Buying Blind

October 25, 2025 · 2 min read

A client needed nickel alloy C-276 plate for urgent in-house fabrication with strict QA requirements. Quotes from trading hubs were inconsistent, and there was uncertainty about mill provenance and the quality of the mill test reports.

The problem

  • A fixed fabrication start date
  • Quality risk from unclear mill pedigree and documentation
  • Pricing opacity and a wide spread of trader quotes

The approach, delivered in five days

  1. China market scan: verified real inventory, rolling schedules and achievable lead times.
  2. Supplier vetting: shortlisted mills and stockists qualified for ASTM B575 C-276.
  3. On-site audits: melting route, solution heat treatment, plate rolling practice, PMI and traceability, with spot UT for laminations where required.
  4. User references: feedback from comparable service conditions.
  5. Options matrix: side-by-side comparison of mill pedigree, QA package (EN 10204 3.1 or 3.2), delivery risk and price.

The result

About 8 percent total price benefit, without choosing the cheapest source. The client accepted a slight schedule extension because of full transparency and continuous updates. Meritus worked as the client's buy-side team, not as a trader, and made evidence-based recommendations.

Technical checks for C-276 to ASTM B575

  • Chemistry to UNS N10276 with full heat traceability
  • Mechanical properties to ASTM B575, with hardness and grain size where specified
  • PMI, surface and flatness checks, and ultrasonic lamination screening when required
  • Optional corrosion testing to ASTM G28, and weldability and WPS guidance to the project code

Other nickel and high-alloy materials

  • C-276 (UNS N10276): ASTM B575 plate, B619 and B622 pipe, B626 tube, B366 fittings, B564 forgings
  • Alloy 22 (UNS N06022): B575, B622, B626, B366, B564
  • Alloy 625 (UNS N06625): B443 plate, B444 pipe and tube, B446 bar, plus B366 and B564
  • Alloy 600 (UNS N06600): B168 plate, B167 pipe and tube, B166 bar
  • Alloy 825 (UNS N08825): B424 plate, B423 pipe and tube, B425 bar
  • Alloy 718 (UNS N07718): bar and forgings to AMS and ASTM B637
  • Alloy 400 (UNS N04400): B127 plate, B165 pipe and tube, B164 bar
  • Duplex and super duplex: S31803/S32205, S32750 and S32760 plate, pipe and fittings, NORSOK on request
  • Others: 904L (N08904), 316L and 317L, Alloy 59 (N06059), copper-nickel 90/10 and 70/30, titanium Grade 2 and Grade 5, and clad options

Related: titanium and nickel specialty alloys, clad plate and when the MTC and the spectrometer disagree.

Meritus Technology Shanghai
Email: sales@meritustech.com
Phone / WhatsApp: +86 134 8206 1802
www.meritustech.com


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