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ASTM A681 D2 vs GB/T 1299 3Cr2W8V

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

ASTM A681 D2 (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 D2 is typically used for blanking dies, punches, drawing dies, forming tools, 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 D2 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 D2 vs GB/T 1299 3Cr2W8V is a 56.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A681 D2:
EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2344 AISI 52100 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 4H5MFS1 IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
56.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A681 D2 GB/T 1299 3Cr2W8V
Standard ASTM A681:2008 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.40-1.60 0.30-0.40
Mn (%) 0.10-0.60 0.20-0.50
P (%) <=0.030 0.030 max
S (%) <=0.030 0.030 max
Si (%) 0.10-0.60 0.20-0.40
Cr (%) 11.00-13.00 2.20-2.70
V (%) 0.50-1.10 0.20-0.50
Mo (%) 0.70-1.20 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 D2 GB/T 1299 3Cr2W8V
Hardness <=255 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 D2
Blanking dies, punches, drawing dies, forming tools
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 D2 Be Substituted With GB/T 1299 3Cr2W8V?
ASTM A681 D2 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 D2
Round Bar → (19 listings)
Diameter: 70–120 mm (2.76–4.72 in)
Length: 2600–6900 mm (102.36–271.65 in)
Flat Bar → (3 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 1000–2500 mm (39.37–98.43 in)
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 D2
22 active listings and RFQs →
GB/T 1299 3Cr2W8V
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 D2 and GB/T 1299 3Cr2W8V?
ASTM A681 D2 specifies Mo which is not specified for GB/T 1299 3Cr2W8V. GB/T 1299 3Cr2W8V specifies W which is not specified for ASTM A681 D2.
Can ASTM A681 D2 be substituted with GB/T 1299 3Cr2W8V?
ASTM A681 D2 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.