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BS 970 (Part 1) 535A99 vs GOST 801 ShKh15

Close Alternative — 81.6% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 535A99 (BS 970 (Part 1):1983) and GOST 801 ShKh15 (GOST 801-1978) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 535A99 is typically used for used for aircraft fittings, gears, high-strength shafts, crankshafts, heavy-duty fasteners, and transmission parts., while GOST 801 ShKh15 is commonly used for used for ball bearings, roller bearings, races, bearing rings, and precision rollers.. BS 970 (Part 1) 535A99 is defined under British Standards (BS) (United Kingdom).

As per chemical composition, BS 970 (Part 1) 535A99 vs GOST 801 ShKh15 is a 81.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.6%.

Frequently Compared With BS 970 (Part 1) 535A99:
NF A35-565 100C6 UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
81.6%
MECHANICAL MATCH
No shared data
OVERALL
81.6%
Specifications
Property BS 970 (Part 1) 535A99 GOST 801 ShKh15
Standard BS 970 (Part 1):1983 GOST 801-1978
Category Alloy Steel Alloy Steel
C (%) 0.95-1.10 0.95-1.05
Mn (%) 0.40-0.70 0.2-0.5
P (%) <=0.035 Not specified
S (%) <=0.040 Not specified
Cr (%) 1.20-1.60 1.35-1.65
Si (%) Not specified 0.17-0.37
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 535A99 GOST 801 ShKh15
Tensile Strength Not specified 750-950 MPa
Yield Strength Not specified 450 MPa min
Elongation Not specified 8% min
Hardness Not specified 60-66 HRC
Typical Applications
BS 970 (Part 1) 535A99
Used for aircraft fittings, gears, high-strength shafts, crankshafts, heavy-duty fasteners, and transmission parts.
GOST 801 ShKh15
Used for ball bearings, roller bearings, races, bearing rings, and precision rollers.
Key Differences
Can BS 970 (Part 1) 535A99 Be Substituted With GOST 801 ShKh15?
BS 970 (Part 1) 535A99 and GOST 801 ShKh15 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
BS 970 (Part 1) 535A99
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–6400 mm (204.72–251.97 in)
GOST 801 ShKh15
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–7000 mm (259.84–275.59 in)
On M-EX Right Now
BS 970 (Part 1) 535A99
2 active listings and RFQs →
GOST 801 ShKh15
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 535A99 and GOST 801 ShKh15?
BS 970 (Part 1) 535A99 specifies P, S which are not specified for GOST 801 ShKh15. GOST 801 ShKh15 specifies Si which is not specified for BS 970 (Part 1) 535A99.
Can BS 970 (Part 1) 535A99 be substituted with GOST 801 ShKh15?
BS 970 (Part 1) 535A99 and GOST 801 ShKh15 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.