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ASTM A516/A516M Grade 55 vs BS 970 (Part 1) 060A32

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

ASTM A516/A516M Grade 55 (ASTM A516/A516M:2025) and BS 970 (Part 1) 060A32 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Carbon Steel category. ASTM A516/A516M Grade 55 is typically used for welded pressure vessels where improved notch toughness is important, while BS 970 (Part 1) 060A32 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. ASTM A516/A516M Grade 55 is defined under ASTM International, originating from United States, while BS 970 (Part 1) 060A32 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A516/A516M Grade 55 vs BS 970 (Part 1) 060A32 is a 78.6% 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 ASTM A516/A516M Grade 55:
BS 970 (Part 3) 080A15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 3) 070M20 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
78.6%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A516/A516M Grade 55 BS 970 (Part 1) 060A32
Standard ASTM A516/A516M:2025 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) <=0.18 0.30-0.35
Mn (%) 0.60-0.90 0.50-0.70
P (%) <=0.025 <=0.050
S (%) <=0.025 <=0.050
Si (%) 0.15-0.40 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A516/A516M Grade 55 BS 970 (Part 1) 060A32
Tensile Strength 380-515 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=23% Not specified
Condition Tension test per Table 2; one set of values for all thicknesses; plates 40 mm and under normally as-rolled, over 40 mm normalized; Elongation is in 200 mm gauge length, 50 mm values in the tensile block Not specified
Typical Applications
ASTM A516/A516M Grade 55
Welded pressure vessels where improved notch toughness is important
BS 970 (Part 1) 060A32
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can ASTM A516/A516M Grade 55 Be Substituted With BS 970 (Part 1) 060A32?
ASTM A516/A516M Grade 55 and BS 970 (Part 1) 060A32 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.
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ASTM A516/A516M Grade 55
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BS 970 (Part 1) 060A32
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Frequently Asked Questions
What is the difference between ASTM A516/A516M Grade 55 and BS 970 (Part 1) 060A32?
ASTM A516/A516M Grade 55 specifies Si which is not specified for BS 970 (Part 1) 060A32.
Can ASTM A516/A516M Grade 55 be substituted with BS 970 (Part 1) 060A32?
ASTM A516/A516M Grade 55 and BS 970 (Part 1) 060A32 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.