SUNPRO Alloy Fasteners

Specialty Alloy Materials

Choose a material family to review common fastener applications, grade identifiers and available product forms. Final specification is always confirmed against your RFQ, drawing and purchase standard.

Inconel

Inconel 625 Fasteners

Nickel-chromium-molybdenum alloy fasteners for corrosive and high-temperature service. Final material condition and standard are confirmed per RFQ.

UNS N06625 · W.Nr. 2.4856
Inconel

Inconel 718 Fasteners

High-strength nickel alloy fasteners for demanding temperature and load conditions. Heat treatment and mechanical requirements are confirmed per order.

UNS N07718 · W.Nr. 2.4668
Hastelloy

Hastelloy C276 Fasteners

Corrosion-resistant nickel-molybdenum-chromium fasteners for aggressive chemical environments. Exact standard and test package are quoted per RFQ.

UNS N10276 · W.Nr. 2.4819
Monel

Monel 400 Fasteners

Nickel-copper alloy fasteners commonly specified for marine and chemical service. Dimensions, thread and certification are confirmed per inquiry.

UNS N04400 · W.Nr. 2.4360
Duplex

Duplex 2205 Fasteners

Duplex stainless steel fasteners balancing strength and corrosion resistance for chloride-bearing environments. Final grade and test requirements are order-specific.

UNS S32205 / S31803 · W.Nr. 1.4462
Super Duplex

Super Duplex 2507 Fasteners

High-strength, corrosion-resistant super duplex fasteners for severe chloride and offshore environments. Exact PREN, testing and certification requirements are confirmed per RFQ.

UNS S32750 · W.Nr. 1.4410
Titanium

Titanium Grade 5 Fasteners

High strength-to-weight titanium alloy fasteners for corrosion-sensitive and weight-critical applications. Manufacturing route and certification are confirmed per order.

UNS R56400 · W.Nr. 3.7165
A286

A286 Fasteners

Precipitation-hardenable iron-nickel-chromium fasteners for elevated-temperature strength. Mechanical properties and heat treatment are confirmed against the purchase specification.

UNS S66286 · W.Nr. 1.4980