Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 3) 420S37 (BS 970 (Part 3):1991) and EN 10088-1 1.4301 (EN 10088-1:2014) are both steel grades.
Both fall under the Stainless Steel category.
BS 970 (Part 3) 420S37 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; martensitic stainless steel (table 17), while EN 10088-1 1.4301 is commonly used for food equipment, chemical vessels, architectural, kitchenware.
BS 970 (Part 3) 420S37 is defined under British Standards (BS), originating from United Kingdom, while EN 10088-1 1.4301 is defined under European Standard (EN), originating from Europe.
As per chemical composition, BS 970 (Part 3) 420S37 vs EN 10088-1 1.4301 is a 62.8% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
BS 970 (Part 3) 420S37
EN 10088-1 1.4301
Tensile Strength
Not specified
≥520 MPa
Yield Strength
Not specified
≥210 MPa
Elongation
Not specified
≥45%
Hardness
Not specified
≤215 HB
Typical Applications
BS 970 (Part 3) 420S37
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; martensitic stainless steel (Table 17)
EN 10088-1 1.4301
Food equipment, chemical vessels, architectural, kitchenware
Can BS 970 (Part 3) 420S37 Be Substituted With EN 10088-1 1.4301?
BS 970 (Part 3) 420S37 and EN 10088-1 1.4301 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 BS 970 (Part 3) 420S37 and EN 10088-1 1.4301?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 420S37 be substituted with EN 10088-1 1.4301?
BS 970 (Part 3) 420S37 and EN 10088-1 1.4301 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.