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ASTM A681 P21 vs IS 5517 30Ni13Cr5

Related Material — 65% match based on chemical composition and mechanical property overlap.

ASTM A681 P21 (ASTM A681:2008) and IS 5517 30Ni13Cr5 (IS 5517:1993) are both steel grades. ASTM A681 P21 is classified under Tool & Die Steels, while IS 5517 30Ni13Cr5 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A681 P21 is defined under ASTM International, originating from United States, while IS 5517 30Ni13Cr5 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 P21 vs IS 5517 30Ni13Cr5 is a 65.8% 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 65%.

Frequently Compared With ASTM A681 P21:
GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS DIN EN ISO 4957 1.2344
Match Breakdown
CHEMISTRY MATCH
65.8%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property ASTM A681 P21 IS 5517 30Ni13Cr5
Standard ASTM A681:2008 IS 5517:1993
Category Tool & Die Steels Alloy Steel
C (%) 0.18-0.22 0.26-0.34
Mn (%) 0.20-0.40 0.40-0.70
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Si (%) 0.20-0.40 0.10-0.35
Cr (%) 0.20-0.30 1.00-1.40
V (%) 0.15-0.25 Not specified
Ni (%) 3.90-4.25 3.90-4.30
Al (%) 1.05-1.25 Not specified
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 P21 IS 5517 30Ni13Cr5
Tensile Strength Not specified 1550 MPa min
Yield Strength (0.2% proof) Not specified 1300 MPa min
Elongation Not specified >=8%
Izod Impact Not specified 14 J min
Hardness (annealed) Not specified <=250 HB
Condition Not specified Hardened and tempered
Typical Applications
ASTM A681 P21
Tools, dies and fixtures (clause 1.2)
IS 5517 30Ni13Cr5
Not documented
Key Differences
Can ASTM A681 P21 Be Substituted With IS 5517 30Ni13Cr5?
ASTM A681 P21 and IS 5517 30Ni13Cr5 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 P21
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Frequently Asked Questions
What is the difference between ASTM A681 P21 and IS 5517 30Ni13Cr5?
Different category: ASTM A681 P21 is Tool & Die Steels, IS 5517 30Ni13Cr5 is Alloy Steel. ASTM A681 P21 specifies V, Al which are not specified for IS 5517 30Ni13Cr5.
Can ASTM A681 P21 be substituted with IS 5517 30Ni13Cr5?
ASTM A681 P21 and IS 5517 30Ni13Cr5 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.