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ASTM A681 A9 vs GB/T 1299 3Cr2W8V

Minimal Match — 32.4% match based on chemical composition and mechanical property overlap.

ASTM A681 A9 (ASTM A681:2008) and GB/T 1299 3Cr2W8V (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 A9 is typically used for tools, dies and fixtures (clause 1.2), while GB/T 1299 3Cr2W8V is commonly used for used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.. ASTM A681 A9 is defined under ASTM International, originating from United States, while GB/T 1299 3Cr2W8V is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, ASTM A681 A9 vs GB/T 1299 3Cr2W8V is a 48.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 32.4%.

Frequently Compared With ASTM A681 A9:
EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
48.6%
MECHANICAL MATCH
0%
OVERALL
32.4%
Specifications
Property ASTM A681 A9 GB/T 1299 3Cr2W8V
Standard ASTM A681:2008 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.45-0.55 0.30-0.40
Mn (%) 0.20-0.50 0.20-0.50
P (%) <=0.030 0.030 max
S (%) <=0.030 0.030 max
Si (%) 0.95-1.15 0.20-0.40
Cr (%) 4.75-5.50 2.20-2.70
V (%) 0.80-1.40 0.20-0.50
Mo (%) 1.30-1.80 Not specified
Ni (%) 1.25-1.75 Not specified
W (%) Not specified 7.50-9.00
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 A9 GB/T 1299 3Cr2W8V
Hardness <=248 HB 48-54 HRC
Condition Annealed (maximum Brinell hardness) Not specified
Tensile Strength Not specified 1180-1380 MPa
Yield Strength Not specified 980-1180 MPa
Elongation Not specified 10-14%
Typical Applications
ASTM A681 A9
Tools, dies and fixtures (clause 1.2)
GB/T 1299 3Cr2W8V
Used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.
Key Differences
Can ASTM A681 A9 Be Substituted With GB/T 1299 3Cr2W8V?
ASTM A681 A9 and GB/T 1299 3Cr2W8V 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 A9
No active listings currently.
GB/T 1299 3Cr2W8V
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–2900 mm (110.24–114.17 in)
On M-EX Right Now
ASTM A681 A9
0 active listings and RFQs →
GB/T 1299 3Cr2W8V
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 A9 and GB/T 1299 3Cr2W8V?
ASTM A681 A9 specifies Mo, Ni which are not specified for GB/T 1299 3Cr2W8V. GB/T 1299 3Cr2W8V specifies W which is not specified for ASTM A681 A9.
Can ASTM A681 A9 be substituted with GB/T 1299 3Cr2W8V?
ASTM A681 A9 and GB/T 1299 3Cr2W8V 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.