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ASTM A681 O2 vs IS 1570 (Part 6) 60T6

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

ASTM A681 O2 (ASTM A681:2008) and IS 1570 (Part 6) 60T6 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 O2 is defined under ASTM International, originating from United States, while IS 1570 (Part 6) 60T6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 O2 vs IS 1570 (Part 6) 60T6 is a 58.2% 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 O2:
GOST 5950 4H5MFS GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 GOST 5950 4H5MFS1 AISI 52100 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV1 IS 1570 (Part 6) 50T8
Match Breakdown
CHEMISTRY MATCH
58.2%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property ASTM A681 O2 IS 1570 (Part 6) 60T6
Standard ASTM A681:2008 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 0.55-0.65
Mn (%) 1.40-1.80 0.50-0.80
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Si (%) <=0.50 0.10-0.35
Cr (%) <=0.50 <=0.20
V (%) <=0.30 Not specified
Mo (%) <=0.30 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 O2 IS 1570 (Part 6) 60T6
Hardness <=217 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 O2
Taps, drills, reamers, punches, gauges
IS 1570 (Part 6) 60T6
Not documented
Key Differences
Can ASTM A681 O2 Be Substituted With IS 1570 (Part 6) 60T6?
ASTM A681 O2 and IS 1570 (Part 6) 60T6 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.
Forms & Sizes Available on M-EX
ASTM A681 O2
Round Bar → (6 listings)
Diameter: 40–60 mm (1.57–2.36 in)
Length: 600–5700 mm (23.62–224.41 in)
IS 1570 (Part 6) 60T6
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On M-EX Right Now
ASTM A681 O2
6 active listings and RFQs →
IS 1570 (Part 6) 60T6
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Frequently Asked Questions
What is the difference between ASTM A681 O2 and IS 1570 (Part 6) 60T6?
ASTM A681 O2 specifies V, Mo which are not specified for IS 1570 (Part 6) 60T6. IS 1570 (Part 6) 60T6 specifies Cu, Ni which are not specified for ASTM A681 O2.
Can ASTM A681 O2 be substituted with IS 1570 (Part 6) 60T6?
ASTM A681 O2 and IS 1570 (Part 6) 60T6 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.