S30408 is the UNS (Unified Numbering System) designation for standard 304 stainless steel. The two terms refer to the same material, with S30408 being a more formal, systematic way
The S30408 equivalent ASTM material is ASTM S30400 or the standard 304 stainless steel under the AISI and ASTM A240 standards. S30408 is a designation from the Chinese GB/T 20878 s
UNS S31254 (Alloy 254 SMO) is a super austenitic stainless steel that is equivalent to several ASTM specifications depending on the product form, including ASTM A240 for plates and
Stainless steel AISI 253MA (1.4835, X9CrNiSiNCe21-11-2) is a heat-resistant austenitic chromium-nickel steel that is essentially the same as material 1.4828 / AISI 309. However, it
431 stainless steel or 4057 or 1.4057 is a very common used martensitic stainless steel grade. This grade is written as 1.4057 or X17CrNi16-2 according to EN norm and it is written
The 1.4021 material equivalent is primarily AISI 420, also known as X20Cr13 in the European (EN/DIN) standard and 420S37 in the UK (BS) standard.
The main difference is that 1.4005 (AISI 416) is a free-machining version of 1.4006 (AISI 410), created by adding sulfur to 1.4006 to improve its machinability. This addition resul
The ASTM equivalent for the European standard 1.4006 material is AISI 410 or UNS S41000.
1.4512 stainless steel is equivalent to AISI 409 (also known as 409L) and is a ferritic chromium stainless steel offering a good balance of corrosion resistance, formability, and h
