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ASTM A681 H10 vs GB/T 1299 4Cr5MoSiV1

Minimal Match — 47.7% match based on chemical composition and mechanical property overlap.

ASTM A681 H10 (ASTM A681:2008) and GB/T 1299 4Cr5MoSiV1 (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 H10 is typically used for tools, dies and fixtures (clause 1.2), while GB/T 1299 4Cr5MoSiV1 is commonly used for die casting dies, forging dies, extrusion tools. ASTM A681 H10 is defined under ASTM International, originating from United States, while GB/T 1299 4Cr5MoSiV1 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, ASTM A681 H10 vs GB/T 1299 4Cr5MoSiV1 is a 71.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 47.7%.

Frequently Compared With ASTM A681 H10:
EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 GOST 5950 3H2W8F GOST 5950 4H5MFS1 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
71.6%
MECHANICAL MATCH
0%
OVERALL
47.7%
Specifications
Property ASTM A681 H10 GB/T 1299 4Cr5MoSiV1
Standard ASTM A681:2008 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35-0.45 0.32–0.45
Mn (%) 0.20-0.70 0.20–0.50
P (%) <=0.030 Not specified
S (%) <=0.030 Not specified
Si (%) 0.80-1.25 0.80–1.20
Cr (%) 3.00-3.75 4.75–5.50
V (%) 0.25-0.75 0.80–1.20
Mo (%) 2.00-3.00 1.20–1.75
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 H10 GB/T 1299 4Cr5MoSiV1
Hardness <=229 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
ASTM A681 H10
Tools, dies and fixtures (clause 1.2)
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can ASTM A681 H10 Be Substituted With GB/T 1299 4Cr5MoSiV1?
ASTM A681 H10 and GB/T 1299 4Cr5MoSiV1 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 H10
No active listings currently.
GB/T 1299 4Cr5MoSiV1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–4100 mm (106.3–161.42 in)
On M-EX Right Now
ASTM A681 H10
0 active listings and RFQs →
GB/T 1299 4Cr5MoSiV1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 H10 and GB/T 1299 4Cr5MoSiV1?
ASTM A681 H10 specifies P, S which are not specified for GB/T 1299 4Cr5MoSiV1.
Can ASTM A681 H10 be substituted with GB/T 1299 4Cr5MoSiV1?
ASTM A681 H10 and GB/T 1299 4Cr5MoSiV1 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.