Post Stock Login Register

BS 970 (Part 1) 080M46 vs AISI 1045

Strong Match — 97.5% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 080M46 (BS 970 (Part 1):1983) and AISI 1045 are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 080M46 is typically used for used for crankshafts, connecting rods, spindles, gears, shafts, and machine tools., while AISI 1045 is commonly used for shafts, gears, axles, bolts, machine parts. BS 970 (Part 1) 080M46 is defined under British Standards (BS), originating from United Kingdom, while AISI 1045 is defined under AISI, originating from United States.

As per chemical composition, BS 970 (Part 1) 080M46 vs AISI 1045 is a 97.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 97.5%.

Frequently Compared With BS 970 (Part 1) 080M46:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
97.5%
MECHANICAL MATCH
No shared data
OVERALL
97.5%
Specifications
Property BS 970 (Part 1) 080M46 AISI 1045
Standard BS 970 (Part 1):1983 AISI
Category Carbon Steel Carbon Steel
C (%) 0.42-0.50 0.43–0.50
Mn (%) 0.60-1.00 0.60–0.90
P (%) <=0.050 ≤0.030
S (%) <=0.050 ≤0.050
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) 080M46 AISI 1045
Condition Not specified Hot Rolled
Tensile Strength Not specified 570-700 MPa
Yield Strength Not specified 310-450 MPa
Elongation Not specified 16-20%
Hardness Not specified 170-210 HB
Typical Applications
BS 970 (Part 1) 080M46
Used for crankshafts, connecting rods, spindles, gears, shafts, and machine tools.
AISI 1045
Shafts, gears, axles, bolts, machine parts
Can BS 970 (Part 1) 080M46 Be Substituted With AISI 1045?
BS 970 (Part 1) 080M46 and AISI 1045 overlap closely enough on chemistry and mechanical properties that AISI 1045 is often considered as a substitute for BS 970 (Part 1) 080M46 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 (Part 1) 080M46
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5900–6600 mm (232.28–259.84 in)
AISI 1045
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6000–7000 mm (236.22–275.59 in)
On M-EX Right Now
BS 970 (Part 1) 080M46
2 active listings and RFQs →
AISI 1045
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 080M46 and AISI 1045?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 1) 080M46 be substituted with AISI 1045?
BS 970 (Part 1) 080M46 and AISI 1045 overlap closely enough on chemistry and mechanical properties that AISI 1045 is often considered as a substitute for BS 970 (Part 1) 080M46 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.