Material Grade Specification

Hastelloy C-276 Flanges — ASTM B564 UNS N10276

Hastelloy C-276 flange manufacturer, Mumbai. UNS N10276 Ni-Mo-Cr alloy for wet chlorine, ferric/cupric chlorides, severe chemical service. Quote in 30 min.

Material Specification & Overview

Hastelloy C-276 (UNS N10276) is a premier nickel-molybdenum-chromium-tungsten alloy designed for maximum corrosion resistance in severe reducing and oxidizing chemical environments, including wet chlorine gas and ferric/cupric chlorides.

UNS DesignationN10276
Governing StandardASTM B564 / ASME SB-564 UNS N10276

Chemical Composition (wt %)

Governing specification limits per ASTM / ASME standards. Actual values provided on EN 10204 3.1 MTC.

ElementSpecification Limit / Composition
Nickel (Ni)~57.0% balance
Molybdenum (Mo)15.0 - 17.0%
Chromium (Cr)14.5 - 16.5%
Tungsten (W)3.0 - 4.5%

Mechanical Properties

PropertySpecification Limit
Yield Strength283 MPa (41 ksi) min
Tensile Strength690 MPa (100 ksi) min
Service Temp RangeCryogenic to 1,090°C

Pressure-Temperature Rating Reference

Service TempClass 150Class 300Class 600Class 900
Ambient (-29 to 38°C)290 psi750 psi1500 psi2250 psi

Primary Industry Applications

Flue gas desulfurization (FGD) scrubbers
Chemical reactors handling hot contaminated mineral acids
Sour gas wells containing high H2S and elemental sulfur
Pulp & paper chlorine dioxide bleaching vessels

Related Products & Industry Guides

Frequently Asked Procurement Questions

Q: Can Hastelloy C-276 resist wet chlorine gas?

A: Yes. Hastelloy C-276 is one of the few metallic alloys capable of resisting wet chlorine gas, hypochlorite, and chlorine dioxide solutions.

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