Steel Grade Equivalents
Use this guide to find equivalent grades across international standards. Specifications are for reference; always confirm with current standards and your application requirements.
Stainless Steel – Common Equivalents
304 / 304L: EN 1.4301 / 1.4307, UNS S30400 / S30403, DIN X5CrNi18-10. Austenitic, general purpose.
316 / 316L: EN 1.4401 / 1.4404, UNS S31600 / S31603, DIN X5CrNiMo17-12-2. Molybdenum-enhanced corrosion resistance.
321: EN 1.4541, UNS S32100, DIN X6CrNiTi18-10. Stabilized for high-temperature service.
904L: EN 1.4539, UNS N08904. High alloy austenitic for aggressive environments.
Duplex & Super Duplex
Duplex 2205 (S31803 / S32205): EN 1.4462, UNS S31803 / S32205. Duplex stainless steel.
Super Duplex S32750: EN 1.4410, UNS S32750. Super duplex for demanding applications.
Super Duplex S32760: EN 1.4501, UNS S32760. Similar super duplex grade.
Nickel Alloys – Common Equivalents
Inconel 600: UNS N06600, DIN 2.4816. Nickel-chromium.
Inconel 625: UNS N06625, EN 2.4856. Nickel-chromium-molybdenum.
Hastelloy C276: UNS N10276, EN 2.4819. Ni-Cr-Mo alloy.
Monel 400: UNS N04400. Nickel-copper alloy.
For exact chemical and mechanical requirements, refer to the relevant ASTM, EN, or other standard. Need a specific grade or equivalent? Reach us for assistance.