Hastelloy C276 Pipes & Tubes Specifications
| C276 Pipes & Tubes Specifications | ASTM B622, A249, A269, A358 / ASME SB622, SA249, SA269, SA358 |
|---|---|
| Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| ASTM B622 Hastelloy C276 Seamless Pipe& Tube Size | 1 / 2″ NB – 16″ NB |
| ASTM B622 Hastelloy C276 Welded Pipe& Tube Size | 1 / 2″ NB – 24″ NB |
| ASTM A358 Hastelloy C276 EFW Pipe & Tube Size | 6″ NB – 24″ NB |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Hastelloy C276 Pipes & Tubes Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Hastelloy C276 Pipe & Tube Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
| Hastelloy Alloy C276 Pipe & Tube Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Hastelloy C276 Pipes & Tubes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Delivery Condition of Hastelloy C276 Pipe & Tube | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
| Marking | Specification Grade Nominal Pipe Sizes Pipe Schedule or Wall Thickness Manufacturing Method (Seamless / Welded) Heat Number Manufacturer’s Name or Custom Logo – on request Marked Pipe Sample: ANSI B36.19 ASTM A 312 Hastelloy C276 12″ NB SCH 40S SEAMLESS HEAT NO. XXXX |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Hastelloy Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Packing of Hastelloy C276 Pipes & Tubes | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
| Specials | Sizes and Specifications other than above can be on request |
Hastelloy Alloy C276 Pipes & Tubes Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| Hastelloy C276 | N10276 | 2.4819 | – | NiMo16Cr15W | NW 0276 | – | ХН65МВУ |
Hastelloy C276 Pipes & Tubes Chemical Composition
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy C276 | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
C276 Hastelloy Alloy Pipes & Tubes Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |







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