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ASTM A681 S5 vs ASTM A681 P20

Related Material — 66.6% match based on chemical composition and mechanical property overlap.

ASTM A681 S5 (ASTM A681:2008) and ASTM A681 P20 (ASTM A681:2008) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 S5 is typically used for tools, dies and fixtures (clause 1.2), while ASTM A681 P20 is commonly used for tools, dies and fixtures (clause 1.2). ASTM A681 S5 is defined under ASTM International, originating from United States, while ASTM A681 P20 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A681 S5 vs ASTM A681 P20 is a 66.6% 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 66.6%.

Frequently Compared With ASTM A681 S5:
EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 133T3 DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS
Match Breakdown
CHEMISTRY MATCH
66.6%
MECHANICAL MATCH
No shared data
OVERALL
66.6%
Specifications
Property ASTM A681 S5 ASTM A681 P20
Standard ASTM A681:2008 ASTM A681:2008
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.65 0.28-0.40
Mn (%) 0.60-1.00 0.60-1.00
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
Si (%) 1.75-2.25 0.20-0.80
Cr (%) 0.10-0.50 1.40-2.00
V (%) 0.15-0.35 Not specified
Mo (%) 0.20-1.35 0.30-0.55
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 S5 ASTM A681 P20
Hardness <=229 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 S5
Tools, dies and fixtures (clause 1.2)
ASTM A681 P20
Tools, dies and fixtures (clause 1.2)
Key Differences
Can ASTM A681 S5 Be Substituted With ASTM A681 P20?
ASTM A681 S5 and ASTM A681 P20 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 S5
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ASTM A681 P20
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Frequently Asked Questions
What is the difference between ASTM A681 S5 and ASTM A681 P20?
ASTM A681 S5 specifies V which is not specified for ASTM A681 P20.
Can ASTM A681 S5 be substituted with ASTM A681 P20?
ASTM A681 S5 and ASTM A681 P20 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.