Incoloy 926 Bolts

Incoloy 926 Bolts — Specifications & Dimensions

Incoloy 926 bolts are externally threaded fasteners with an integral head, manufactured per ASME B18.2.1, ISO 4014/4017, and DIN 933/931. TorqBolt produces Incoloy 926 bolts in metric (M6–M100) and imperial (1/4"–4") diameters with custom lengths from 10 mm up to 3000 mm.

Head Styles Available

Thread & Shank

Incoloy 926 bolts are supplied with full or partial threading. Full-thread (UNC, UNF, ISO metric coarse/fine) for tension-only joints; partial-thread shank for shear loads. Thread fits per ASME B1.1 (Class 2A) or ISO 965 (6g) by default; tighter Class 3A / 4h6h on request.

Mechanical & Certification

Incoloy 926 bolts achieve characteristic tensile, yield, and elongation per the source-material spec, with proof-load testing and hardness verification per ASTM F606 / ISO 898-1. Each lot ships with EN 10204 3.1 (or 3.2) certificates listing chemistry, mechanicals, hardness, and dimensional inspection. NACE MR0175 / ISO 15156 sour-service certification on request.

Incoloy — Nickel-Iron-Chromium Alloys

Incoloy is the family of nickel-iron-chromium alloys positioned between stainless and Inconel. Combines high-temperature strength of nickel alloys with iron-substitution cost savings.

Incoloy 800 / 800H / 800HT are the most widely specified for furnace fixtures and steam-superheater bolting up to 1100°C. Incoloy 825 adds Mo + Cu for sulfuric and reducing-acid service. Incoloy 925 is age-hardenable for high-strength sour-service.

Incoloy fasteners ship per ASTM B408 (rod/bar) and B564 (forged) with EN 10204 3.1 / 3.2 certification including ASTM G28 intergranular corrosion testing.

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