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ASTM A681 S2 vs SAE J404 4023

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

ASTM A681 S2 (ASTM A681:2008) and SAE J404 4023 (SAE J404:2000) are both steel grades. ASTM A681 S2 is classified under Tool & Die Steels, while SAE J404 4023 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A681 S2 is typically used for tools, dies and fixtures (clause 1.2), while SAE J404 4023 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope. ASTM A681 S2 is defined under ASTM International, originating from United States, while SAE J404 4023 is defined under SAE International, originating from United States.

As per chemical composition, ASTM A681 S2 vs SAE J404 4023 is a 67.4% 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 65%.

Frequently Compared With ASTM A681 S2:
EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS
Match Breakdown
CHEMISTRY MATCH
67.4%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property ASTM A681 S2 SAE J404 4023
Standard ASTM A681:2008 SAE J404:2000
Category Tool & Die Steels Alloy Steel
C (%) 0.40-0.55 0.20-0.25
Mn (%) 0.30-0.50 0.70-0.90
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.040
Si (%) 0.90-1.20 0.15-0.35
V (%) <=0.50 Not specified
Mo (%) 0.30-0.60 0.20-0.30
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 S2 SAE J404 4023
Hardness <=217 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
ASTM A681 S2
Tools, dies and fixtures (clause 1.2)
SAE J404 4023
Chemistry-only alloy steel grade; see the composition notes for product scope
Key Differences
Can ASTM A681 S2 Be Substituted With SAE J404 4023?
ASTM A681 S2 and SAE J404 4023 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 S2
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Frequently Asked Questions
What is the difference between ASTM A681 S2 and SAE J404 4023?
Different category: ASTM A681 S2 is Tool & Die Steels, SAE J404 4023 is Alloy Steel. ASTM A681 S2 specifies V which is not specified for SAE J404 4023.
Can ASTM A681 S2 be substituted with SAE J404 4023?
ASTM A681 S2 and SAE J404 4023 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.