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GOST 1435 U10 vs IS 1570 (Part 6) T55Si7

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GOST 1435 U10 (GOST 1435-1999) and IS 1570 (Part 6) T55Si7 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) T55Si7 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 1435 U10 vs IS 1570 (Part 6) T55Si7 is a 80.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GOST 1435 U10:
GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV AISI 52100 GOST 5950 3H2W8F GOST 5950 4H5MFS GOST 5950 4H5MFS1 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
80.2%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property GOST 1435 U10 IS 1570 (Part 6) T55Si7
Standard GOST 1435-1999 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95-1.04 0.50-0.60
Mn (%) 0.17-0.33 0.80-1.00
Si (%) 0.17-0.33 1.50-2.00
S (%) 0.028 max <=0.035
P (%) 0.03 max <=0.035
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 IS 1570 (Part 6) T55Si7
Tensile Strength 750-900 MPa Not specified
Yield Strength 450 MPa min Not specified
Elongation 10% min Not specified
Hardness 60-64 HRC Not specified
Typical Applications
GOST 1435 U10
Used for chisels, punches, files, woodworking tools, and knives.
IS 1570 (Part 6) T55Si7
Not documented
Can GOST 1435 U10 Be Substituted With IS 1570 (Part 6) T55Si7?
GOST 1435 U10 and IS 1570 (Part 6) T55Si7 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
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)
IS 1570 (Part 6) T55Si7
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On M-EX Right Now
GOST 1435 U10
2 active listings and RFQs →
IS 1570 (Part 6) T55Si7
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Frequently Asked Questions
What is the difference between GOST 1435 U10 and IS 1570 (Part 6) T55Si7?
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 IS 1570 (Part 6) T55Si7?
GOST 1435 U10 and IS 1570 (Part 6) T55Si7 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.