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IS 1570 (Part 5) X40Cr13 vs BS 970 (Part 1) 420S37

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 5) X40Cr13 (IS 1570 (Part 5):1985) and BS 970 (Part 1) 420S37 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X40Cr13 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 420S37 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 5) X40Cr13 vs BS 970 (Part 1) 420S37 is a 91.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.9%.

Frequently Compared With IS 1570 (Part 5) X40Cr13:
EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr13H EN 10088-1 1.4006 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
91.7%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property IS 1570 (Part 5) X40Cr13 BS 970 (Part 1) 420S37
Standard IS 1570 (Part 5):1985 BS 970 (Part 1):1991
Category Stainless Steel Stainless Steel
C (%) 0.35-0.45 0.20-0.28
Si (%) <=1.0 <=1.0
Mn (%) <=1.0 <=1.0
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 12.0-14.0 12.0-14.0
Ni (%) <=1.0 <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 5) X40Cr13 BS 970 (Part 1) 420S37
Tensile Strength 600-750 MPa Not specified
Hardness <=225 HB Not specified
Condition Annealed, quenched or solution treated bars and flats (Table 3) Not specified
Typical Applications
IS 1570 (Part 5) X40Cr13
Not documented
BS 970 (Part 1) 420S37
Ferritic and martensitic stainless and heat resisting steel (section five)
Can IS 1570 (Part 5) X40Cr13 Be Substituted With BS 970 (Part 1) 420S37?
IS 1570 (Part 5) X40Cr13 and BS 970 (Part 1) 420S37 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
IS 1570 (Part 5) X40Cr13
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BS 970 (Part 1) 420S37
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X40Cr13 and BS 970 (Part 1) 420S37?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 5) X40Cr13 be substituted with BS 970 (Part 1) 420S37?
IS 1570 (Part 5) X40Cr13 and BS 970 (Part 1) 420S37 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.