Related Material — 65% match
based on chemical composition and mechanical property overlap.
IS 6603 X08Cr17Mn8Cu3N (IS 6603:2024) and BS 970 (Part 1) 303S42 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Stainless Steel category.
IS 6603 X08Cr17Mn8Cu3N is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while BS 970 (Part 1) 303S42 is commonly used for austenitic stainless and heat resisting steel for mechanical and allied engineering purposes (table 14, with table 15 for the cold drawn condition)..
IS 6603 X08Cr17Mn8Cu3N is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 303S42 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 6603 X08Cr17Mn8Cu3N vs BS 970 (Part 1) 303S42 is a 65% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 65%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 6603 X08Cr17Mn8Cu3N
BS 970 (Part 1) 303S42
Tensile Strength
560-760 MPa
Not specified
Yield Strength
>=270 MPa
Not specified
Elongation
>=40%
Not specified
Condition
Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal)
Not specified
Typical Applications
IS 6603 X08Cr17Mn8Cu3N
General purposes, semi-finished products, bars, wire rods and bright bars
BS 970 (Part 1) 303S42
Austenitic stainless and heat resisting steel for mechanical and allied engineering purposes (Table 14, with Table 15 for the cold drawn condition).
Key Differences
IS 6603 X08Cr17Mn8Cu3N specifies N, Cu which are not specified for BS 970 (Part 1) 303S42.
BS 970 (Part 1) 303S42 specifies Se which is not specified for IS 6603 X08Cr17Mn8Cu3N.
Can IS 6603 X08Cr17Mn8Cu3N Be Substituted With BS 970 (Part 1) 303S42?
IS 6603 X08Cr17Mn8Cu3N and BS 970 (Part 1) 303S42 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between IS 6603 X08Cr17Mn8Cu3N and BS 970 (Part 1) 303S42?
IS 6603 X08Cr17Mn8Cu3N specifies N, Cu which are not specified for BS 970 (Part 1) 303S42. BS 970 (Part 1) 303S42 specifies Se which is not specified for IS 6603 X08Cr17Mn8Cu3N.
Can IS 6603 X08Cr17Mn8Cu3N be substituted with BS 970 (Part 1) 303S42?
IS 6603 X08Cr17Mn8Cu3N and BS 970 (Part 1) 303S42 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.