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ASTM A681 S4 vs IS 1570 (Part 6) T50Cr4V2

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

ASTM A681 S4 (ASTM A681:2008) and IS 1570 (Part 6) T50Cr4V2 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 S4 is defined under ASTM International, originating from United States, while IS 1570 (Part 6) T50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 S4 vs IS 1570 (Part 6) T50Cr4V2 is a 75.3% 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 ASTM A681 S4:
GB/T 1299 3Cr2W8V GOST 5950 3H2W8F EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 133T3 GOST 5950 4H5MFS1 GOST 5950 4H5MFS IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV
Match Breakdown
CHEMISTRY MATCH
75.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A681 S4 IS 1570 (Part 6) T50Cr4V2
Standard ASTM A681:2008 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.65 0.45-0.55
Mn (%) 0.60-0.95 0.50-0.80
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Si (%) 1.75-2.25 0.10-0.35
Cr (%) 0.10-0.50 0.90-1.20
V (%) 0.15-0.35 0.15-0.30
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 S4 IS 1570 (Part 6) T50Cr4V2
Hardness <=229 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 S4
Tools, dies and fixtures (clause 1.2)
IS 1570 (Part 6) T50Cr4V2
Not documented
Can ASTM A681 S4 Be Substituted With IS 1570 (Part 6) T50Cr4V2?
ASTM A681 S4 and IS 1570 (Part 6) T50Cr4V2 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 S4
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IS 1570 (Part 6) T50Cr4V2
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Frequently Asked Questions
What is the difference between ASTM A681 S4 and IS 1570 (Part 6) T50Cr4V2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A681 S4 be substituted with IS 1570 (Part 6) T50Cr4V2?
ASTM A681 S4 and IS 1570 (Part 6) T50Cr4V2 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.