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ASTM A681 A10 vs EN ISO 683-17 100Cr6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

ASTM A681 A10 (ASTM A681:2008) and EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 A10 is typically used for tools, dies and fixtures (clause 1.2), while EN ISO 683-17 100Cr6 is commonly used for rolling element bearings, precision components, cold work tooling. ASTM A681 A10 is defined under ASTM International, originating from United States, while EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A681 A10 vs EN ISO 683-17 100Cr6 is a 54.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A681 A10:
GOST 5950 4H5MFS1 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS EN ISO 4957 1.2316 IS 1570 (Part 6) 103T3 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
54.6%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A681 A10 EN ISO 683-17 100Cr6
Standard ASTM A681:2008 EN ISO 683-17:2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.25-1.50 0.93–1.05
Mn (%) 1.60-2.10 0.25–0.45
P (%) <=0.030 ≤0.025
S (%) <=0.030 ≤0.025
Si (%) 1.00-1.50 0.15–0.35
Mo (%) 1.25-1.75 Not specified
Ni (%) 1.55-2.05 Not specified
Cr (%) Not specified 1.35–1.65
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 A10 EN ISO 683-17 100Cr6
Hardness <=269 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Tensile Strength Not specified ≥620 MPa (annealed)
Hardness HRC Not specified 60–66 (hardened)
Hardness HB Not specified 179–217 (annealed)
Typical Applications
ASTM A681 A10
Tools, dies and fixtures (clause 1.2)
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
Key Differences
Can ASTM A681 A10 Be Substituted With EN ISO 683-17 100Cr6?
ASTM A681 A10 and EN ISO 683-17 100Cr6 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
ASTM A681 A10
No active listings currently.
EN ISO 683-17 100Cr6
Round Bar → (18 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–6500 mm (118.11–255.91 in)
On M-EX Right Now
ASTM A681 A10
0 active listings and RFQs →
EN ISO 683-17 100Cr6
18 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 A10 and EN ISO 683-17 100Cr6?
ASTM A681 A10 specifies Mo, Ni which are not specified for EN ISO 683-17 100Cr6. EN ISO 683-17 100Cr6 specifies Cr which is not specified for ASTM A681 A10.
Can ASTM A681 A10 be substituted with EN ISO 683-17 100Cr6?
ASTM A681 A10 and EN ISO 683-17 100Cr6 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.