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ASTM A681 P4 vs ASTM A681 A5

Related Material — 68.4% match based on chemical composition and mechanical property overlap.

ASTM A681 P4 (ASTM A681:2008) and ASTM A681 A5 (ASTM A681:2008) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 P4 is typically used for tools, dies and fixtures (clause 1.2), while ASTM A681 A5 is commonly used for tools, dies and fixtures (clause 1.2). ASTM A681 P4 is defined under ASTM International, originating from United States, while ASTM A681 A5 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A681 P4 vs ASTM A681 A5 is a 68.4% 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 68.4%.

Frequently Compared With ASTM A681 P4:
GB/T 1299 4Cr5MoSiV EN ISO 683-17 100Cr6 GOST 5950 4H5MFS DIN EN ISO 4957 1.2379 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV1
Match Breakdown
CHEMISTRY MATCH
68.4%
MECHANICAL MATCH
No shared data
OVERALL
68.4%
Specifications
Property ASTM A681 P4 ASTM A681 A5
Standard ASTM A681:2008 ASTM A681:2008
Category Tool & Die Steels Tool & Die Steels
C (%) <=0.12 0.95-1.05
Mn (%) 0.20-0.60 2.80-3.20
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
Si (%) 0.10-0.40 0.10-0.70
Cr (%) 4.00-5.25 0.90-1.40
Mo (%) 0.40-1.00 0.90-1.40
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 P4 ASTM A681 A5
Hardness <=131 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 P4
Tools, dies and fixtures (clause 1.2)
ASTM A681 A5
Tools, dies and fixtures (clause 1.2)
Can ASTM A681 P4 Be Substituted With ASTM A681 A5?
ASTM A681 P4 and ASTM A681 A5 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 P4
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ASTM A681 A5
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Frequently Asked Questions
What is the difference between ASTM A681 P4 and ASTM A681 A5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A681 P4 be substituted with ASTM A681 A5?
ASTM A681 P4 and ASTM A681 A5 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.