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IS 1570 (Part 5) X70Cr21Mn6Ni2N vs BS 970 EN61

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 5) X70Cr21Mn6Ni2N (IS 1570 (Part 5):1985) and BS 970 EN61 (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X70Cr21Mn6Ni2N is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN61 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 5) X70Cr21Mn6Ni2N vs BS 970 EN61 is a 73.8% 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 69.9%.

Frequently Compared With IS 1570 (Part 5) X70Cr21Mn6Ni2N:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 ASTM A959 .- EN 10088-1 1.4006 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
73.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 5) X70Cr21Mn6Ni2N BS 970 EN61
Standard IS 1570 (Part 5):1985 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) 0.65-0.75 <=0.12
Si (%) 0.45-0.85 <=1.00
Mn (%) 5.5-7.0 <=1.00
P (%) <=0.045 <=0.045
S (%) <=0.035 <=0.045
Cr (%) 20.0-22.0 20.0-22.0
Ni (%) 1.4-1.9 <=0.50
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) X70Cr21Mn6Ni2N BS 970 EN61
Hardness >=321 HB Not specified
Condition Valve steel, hardened and tempered (Table 6) Not specified
Can IS 1570 (Part 5) X70Cr21Mn6Ni2N Be Substituted With BS 970 EN61?
IS 1570 (Part 5) X70Cr21Mn6Ni2N and BS 970 EN61 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.
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IS 1570 (Part 5) X70Cr21Mn6Ni2N
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BS 970 EN61
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X70Cr21Mn6Ni2N and BS 970 EN61?
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) X70Cr21Mn6Ni2N be substituted with BS 970 EN61?
IS 1570 (Part 5) X70Cr21Mn6Ni2N and BS 970 EN61 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.