Black Bar

What is Black Bar?
Hot-worked or heat-treated bar supplied with the as-produced dark oxide surface.
Supply Scope
| Product | Outer Diameter | Standard | Materials |
| Black Bars | Outer Diameter: 50-350mm | ASTM A276 ASTM A479 ASTM A182 ASTM B166 ASTM B472 NORSOK M-630 ... | Austenitic: 300 Series... Duplex Steel: S31803/S32750... Nickel Alloy: 600/800/C Series... |
Quality and Documentation
Heat-number traceability and mill test certificates are provided as specified. PMI, dimensional inspection, NDT, laboratory testing and third-party witness inspection can be arranged according to the purchase specification.
How to Request a Quotation
Provide material grade, standard, size, wall thickness or pressure class, quantity, testing requirements and destination. Use the online inquiry form for a project-specific offer.
