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ASTM A681 H21 vs IS 1570 (Part 6) T105W6CrV2

Related Material — 64.8% match based on chemical composition and mechanical property overlap.

ASTM A681 H21 (ASTM A681:2008) and IS 1570 (Part 6) T105W6CrV2 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 H21 is defined under ASTM International, originating from United States, while IS 1570 (Part 6) T105W6CrV2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 H21 vs IS 1570 (Part 6) T105W6CrV2 is a 64.8% 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 64.8%.

Frequently Compared With ASTM A681 H21:
EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 AISI 52100 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS1 GOST 5950 3H2W8F GOST 5950 4H5MFS IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
64.8%
MECHANICAL MATCH
No shared data
OVERALL
64.8%
Specifications
Property ASTM A681 H21 IS 1570 (Part 6) T105W6CrV2
Standard ASTM A681:2008 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.26-0.36 0.90-1.20
Mn (%) 0.15-0.40 <=0.40
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Si (%) 0.15-0.50 0.10-0.35
Cr (%) 3.00-3.75 0.40-0.80
V (%) 0.30-0.60 0.20-0.30
W (%) 8.50-10.00 1.25-1.75
Mo (%) Not specified <=0.25 (optional)
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 H21 IS 1570 (Part 6) T105W6CrV2
Hardness <=235 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 H21
Hot extrusion dies, hot forging dies for brass/bronze
IS 1570 (Part 6) T105W6CrV2
Not documented
Key Differences
Can ASTM A681 H21 Be Substituted With IS 1570 (Part 6) T105W6CrV2?
ASTM A681 H21 and IS 1570 (Part 6) T105W6CrV2 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 H21
Flat Bar → (3 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 500–900 mm (19.69–35.43 in)
IS 1570 (Part 6) T105W6CrV2
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On M-EX Right Now
ASTM A681 H21
3 active listings and RFQs →
IS 1570 (Part 6) T105W6CrV2
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Frequently Asked Questions
What is the difference between ASTM A681 H21 and IS 1570 (Part 6) T105W6CrV2?
IS 1570 (Part 6) T105W6CrV2 specifies Mo which is not specified for ASTM A681 H21.
Can ASTM A681 H21 be substituted with IS 1570 (Part 6) T105W6CrV2?
ASTM A681 H21 and IS 1570 (Part 6) T105W6CrV2 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.