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GOST 1435 U10 vs GB/T 1299 T10

Close Alternative — 75.1% match based on chemical composition and mechanical property overlap.

GOST 1435 U10 (GOST 1435-1999) and GB/T 1299 T10 (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. GOST 1435 U10 is typically used for used for chisels, punches, files, woodworking tools, and knives., while GB/T 1299 T10 is commonly used for used for chisels, files, hand saws, drills, woodworking tools, and cold shearing blades.. GB/T 1299 T10 is defined under Guobiao Standards (GB/T) (China).

As per chemical composition, GOST 1435 U10 vs GB/T 1299 T10 is a 93.3% match. As per mechanical properties, the match is 38.8%. Combined, this makes them a close alternative overall at 75.1%.

Frequently Compared With GOST 1435 U10:
DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV AISI 52100 GOST 5950 4H5MFS GOST 5950 3H2W8F GOST 5950 4H5MFS1 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
93.3%
MECHANICAL MATCH
38.8%
OVERALL
75.1%
Specifications
Property GOST 1435 U10 GB/T 1299 T10
Standard GOST 1435-1999 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95-1.04 0.95-1.04
Mn (%) 0.17-0.33 0.35-0.65
Si (%) 0.17-0.33 0.17-0.37
S (%) 0.028 max 0.030 max
P (%) 0.03 max 0.030 max
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 1435 U10 GB/T 1299 T10
Tensile Strength 750-900 MPa 750-950 MPa
Yield Strength 450 MPa min 500-700 MPa
Elongation 10% min 8-12%
Hardness 60-64 HRC 60-65 HRC
Typical Applications
GOST 1435 U10
Used for chisels, punches, files, woodworking tools, and knives.
GB/T 1299 T10
Used for chisels, files, hand saws, drills, woodworking tools, and cold shearing blades.
Can GOST 1435 U10 Be Substituted With GB/T 1299 T10?
GOST 1435 U10 and GB/T 1299 T10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
GOST 1435 U10
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3100 mm (110.24–122.05 in)
GB/T 1299 T10
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3000 mm (110.24–118.11 in)
On M-EX Right Now
GOST 1435 U10
2 active listings and RFQs →
GB/T 1299 T10
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 1435 U10 and GB/T 1299 T10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GOST 1435 U10 be substituted with GB/T 1299 T10?
GOST 1435 U10 and GB/T 1299 T10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.