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ASTM A537/A537M Class 1 vs IS 1570 (Part 4) 10Cr20Mo6

Related Material — 65% match based on chemical composition and mechanical property overlap.

ASTM A537/A537M Class 1 (ASTM A537/A537M:2013) and IS 1570 (Part 4) 10Cr20Mo6 (IS 1570 (Part 4):1988) are both steel grades. ASTM A537/A537M Class 1 is classified under Carbon Steel, while IS 1570 (Part 4) 10Cr20Mo6 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A537/A537M Class 1 is defined under ASTM International, originating from United States, while IS 1570 (Part 4) 10Cr20Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A537/A537M Class 1 vs IS 1570 (Part 4) 10Cr20Mo6 is a 65.5% 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%.

Frequently Compared With ASTM A537/A537M Class 1:
BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10
Match Breakdown
CHEMISTRY MATCH
65.5%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property ASTM A537/A537M Class 1 IS 1570 (Part 4) 10Cr20Mo6
Standard ASTM A537/A537M:2013 IS 1570 (Part 4):1988
Category Carbon Steel Alloy Steel
C (%) <=0.24 <=0.15
Mn (%) 0.70-1.35 0.40-0.70
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) 0.15-0.50 <=0.50
Cu (%) <=0.35 Not specified
Ni (%) <=0.25 <=0.30
Cr (%) <=0.25 4.0-6.0
Mo (%) <=0.08 0.45-0.65
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A537/A537M Class 1 IS 1570 (Part 4) 10Cr20Mo6
Tensile Strength 485-620 MPa Not specified
Yield Strength >=345 MPa Not specified
Elongation >=22% Not specified
Condition Normalized, thickness 65 mm and under; elongation in 50 mm gauge length Not specified
Typical Applications
ASTM A537/A537M Class 1
Fusion welded pressure vessels and structures
IS 1570 (Part 4) 10Cr20Mo6
Not documented
Key Differences
Can ASTM A537/A537M Class 1 Be Substituted With IS 1570 (Part 4) 10Cr20Mo6?
ASTM A537/A537M Class 1 and IS 1570 (Part 4) 10Cr20Mo6 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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ASTM A537/A537M Class 1
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IS 1570 (Part 4) 10Cr20Mo6
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Frequently Asked Questions
What is the difference between ASTM A537/A537M Class 1 and IS 1570 (Part 4) 10Cr20Mo6?
Different category: ASTM A537/A537M Class 1 is Carbon Steel, IS 1570 (Part 4) 10Cr20Mo6 is Alloy Steel. ASTM A537/A537M Class 1 specifies P, S, Cu which are not specified for IS 1570 (Part 4) 10Cr20Mo6.
Can ASTM A537/A537M Class 1 be substituted with IS 1570 (Part 4) 10Cr20Mo6?
ASTM A537/A537M Class 1 and IS 1570 (Part 4) 10Cr20Mo6 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.