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BS 970 (Part 3) 045A10 vs BS 970 (Part 3) 070M55

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

BS 970 (Part 3) 045A10 (BS 970 (Part 3):1991) and BS 970 (Part 3) 070M55 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 3) 045A10 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (table 14), while BS 970 (Part 3) 070M55 is commonly used for used for springs, blades, wear plates, hand tools, shafts, and cutting components.. BS 970 (Part 3) 045A10 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 3) 070M55 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 045A10 vs BS 970 (Part 3) 070M55 is a 86.7% 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 BS 970 (Part 3) 045A10:
BS 970 (Part 1) 060A81 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A78 BS 970 (Part 1) 070A67 BS 970 (Part 1) 060A72 BS 970 (Part 1) 080A15 BS 970 (Part 3) 080A15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 070M20 BS 970 (Part 1) 060A47
Match Breakdown
CHEMISTRY MATCH
86.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 3) 045A10 BS 970 (Part 3) 070M55
Standard BS 970 (Part 3):1991 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.08-0.13 0.50-0.60
Si (%) 0.10-0.40 0.10-0.40
Mn (%) 0.30-0.60 0.50-0.90
P (%) <=0.05 <=0.05
S (%) <=0.05 <=0.05
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 (Part 3) 045A10
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
BS 970 (Part 3) 070M55
Used for springs, blades, wear plates, hand tools, shafts, and cutting components.
Can BS 970 (Part 3) 045A10 Be Substituted With BS 970 (Part 3) 070M55?
BS 970 (Part 3) 045A10 and BS 970 (Part 3) 070M55 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
BS 970 (Part 3) 045A10
No active listings currently.
BS 970 (Part 3) 070M55
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
BS 970 (Part 3) 045A10
0 active listings and RFQs →
BS 970 (Part 3) 070M55
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 3) 045A10 and BS 970 (Part 3) 070M55?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 045A10 be substituted with BS 970 (Part 3) 070M55?
BS 970 (Part 3) 045A10 and BS 970 (Part 3) 070M55 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.