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GOST 1050 45 vs GOST 1050 35

Related Material — 68.7% match based on chemical composition and mechanical property overlap.

GOST 1050 45 (GOST 1050-2013) and GOST 1050 35 (GOST 1050-2013) are both steel grades. Both fall under the Carbon Steel category. GOST 1050 45 is typically used for gears, shafts, spindles, bolts, axles, forged components, while GOST 1050 35 is commonly used for shafts, axles, connecting rods, forgings, gears, machine parts.

As per chemical composition, GOST 1050 45 vs GOST 1050 35 is a 91.4% match. As per mechanical properties, the match is 23.1%. Combined, this makes them a related material overall at 68.7%.

Frequently Compared With GOST 1050 45:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
91.4%
MECHANICAL MATCH
23.1%
OVERALL
68.7%
Specifications
Property GOST 1050 45 GOST 1050 35
Standard GOST 1050-2013 GOST 1050-2013
Category Carbon Steel Carbon Steel
C (%) 0.42-0.50 0.32-0.39
Si (%) 0.17-0.37 0.17-0.37
Mn (%) 0.50-0.80 0.50-0.80
S (%) <=0.040 <=0.040
P (%) <=0.035 <=0.035
Cr (%) <=0.25 <=0.25
Ni (%) <=0.25 <=0.25
Cu (%) <=0.25 <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 1050 45 GOST 1050 35
Tensile Strength 600-750 MPa 530-680 MPa
Yield Strength >=355 MPa >=315 MPa
Elongation >=16% >=20%
Hardness 170-229 HB 163-207 HB
Typical Applications
GOST 1050 45
gears, shafts, spindles, bolts, axles, forged components
GOST 1050 35
shafts, axles, connecting rods, forgings, gears, machine parts
Can GOST 1050 45 Be Substituted With GOST 1050 35?
GOST 1050 45 and GOST 1050 35 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 1050 45
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6600–7000 mm (259.84–275.59 in)
GOST 1050 35
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6100–6700 mm (240.16–263.78 in)
On M-EX Right Now
GOST 1050 45
2 active listings and RFQs →
GOST 1050 35
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 1050 45 and GOST 1050 35?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GOST 1050 45 be substituted with GOST 1050 35?
GOST 1050 45 and GOST 1050 35 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.