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IS 1570 (Part 6) XT55W14Cr3V4 vs ASTM A681 H21

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

IS 1570 (Part 6) XT55W14Cr3V4 (IS 1570 (Part 6):1996) and ASTM A681 H21 (ASTM A681:2008) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) XT55W14Cr3V4 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A681 H21 is defined under ASTM International, originating from United States.

As per chemical composition, IS 1570 (Part 6) XT55W14Cr3V4 vs ASTM A681 H21 is a 73.7% 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 IS 1570 (Part 6) XT55W14Cr3V4:
EN ISO 4957 1.2316 GOST 5950 3H2W8F EN ISO 683-17 100Cr6 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GOST 5950 4H5MFS1 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 GB/T 1299 4Cr5MoSiV1 GB/T 1299 4Cr5MoSiV
Match Breakdown
CHEMISTRY MATCH
73.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 6) XT55W14Cr3V4 ASTM A681 H21
Standard IS 1570 (Part 6):1996 ASTM A681:2008
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.60 0.26-0.36
Si (%) 0.10-0.35 0.15-0.50
Mn (%) 0.20-0.40 0.15-0.40
Cr (%) 2.80-3.30 3.00-3.75
V (%) 0.30-0.60 0.30-0.60
W (%) 13.0-15.0 8.50-10.00
P (%) <=0.035 <=0.030
S (%) <=0.035 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 6) XT55W14Cr3V4 ASTM A681 H21
Hardness Not specified <=235 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
IS 1570 (Part 6) XT55W14Cr3V4
Not documented
ASTM A681 H21
Hot extrusion dies, hot forging dies for brass/bronze
Can IS 1570 (Part 6) XT55W14Cr3V4 Be Substituted With ASTM A681 H21?
IS 1570 (Part 6) XT55W14Cr3V4 and ASTM A681 H21 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
IS 1570 (Part 6) XT55W14Cr3V4
No active listings currently.
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)
On M-EX Right Now
IS 1570 (Part 6) XT55W14Cr3V4
0 active listings and RFQs →
ASTM A681 H21
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) XT55W14Cr3V4 and ASTM A681 H21?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 6) XT55W14Cr3V4 be substituted with ASTM A681 H21?
IS 1570 (Part 6) XT55W14Cr3V4 and ASTM A681 H21 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.