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ASTM A681 H23 vs IS 1570 (Part 6) 118T3

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

ASTM A681 H23 (ASTM A681:2008) and IS 1570 (Part 6) 118T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 H23 is defined under ASTM International, originating from United States, while IS 1570 (Part 6) 118T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 H23 vs IS 1570 (Part 6) 118T3 is a 55% 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%.

Frequently Compared With ASTM A681 H23:
EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 133T3 DIN EN ISO 4957 1.2344 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316
Match Breakdown
CHEMISTRY MATCH
55%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property ASTM A681 H23 IS 1570 (Part 6) 118T3
Standard ASTM A681:2008 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.25-0.35 1.10-1.25
Mn (%) 0.15-0.40 <=0.40
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Si (%) 0.15-0.60 0.10-0.30
Cr (%) 11.00-12.75 <=0.20
V (%) 0.75-1.25 Not specified
W (%) 11.00-12.75 Not specified
Cu (%) Not specified <=0.25
Ni (%) Not specified <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A681 H23 IS 1570 (Part 6) 118T3
Hardness <=255 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 H23
Tools, dies and fixtures (clause 1.2)
IS 1570 (Part 6) 118T3
Not documented
Key Differences
Can ASTM A681 H23 Be Substituted With IS 1570 (Part 6) 118T3?
ASTM A681 H23 and IS 1570 (Part 6) 118T3 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 A681 H23
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IS 1570 (Part 6) 118T3
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Frequently Asked Questions
What is the difference between ASTM A681 H23 and IS 1570 (Part 6) 118T3?
ASTM A681 H23 specifies V, W which are not specified for IS 1570 (Part 6) 118T3. IS 1570 (Part 6) 118T3 specifies Cu, Ni which are not specified for ASTM A681 H23.
Can ASTM A681 H23 be substituted with IS 1570 (Part 6) 118T3?
ASTM A681 H23 and IS 1570 (Part 6) 118T3 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.