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IS 1570 C30 vs BS 970 (Part 1) 080A20

Close Alternative — 82.7% match based on chemical composition and mechanical property overlap.

IS 1570 C30 (IS 1570:1961) and BS 970 (Part 1) 080A20 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 1570 C30 is typically used for axles, shafts, gears, connecting rods, machine parts, forgings, while BS 970 (Part 1) 080A20 is commonly used for used for nuts, bolts, hydraulic fittings, precision turned parts, sleeves, and couplings.. IS 1570 C30 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 080A20 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 C30 vs BS 970 (Part 1) 080A20 is a 82.7% 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 82.7%.

Frequently Compared With IS 1570 C30:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
82.7%
MECHANICAL MATCH
No shared data
OVERALL
82.7%
Specifications
Property IS 1570 C30 BS 970 (Part 1) 080A20
Standard IS 1570:1961 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.25-0.35 0.18-0.23
Mn (%) 0.60-0.90 0.70-0.90
Si (%) 0.15-0.35 Not specified
S (%) <=0.04 Not specified
P (%) <=0.04 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 IS 1570 C30 BS 970 (Part 1) 080A20
Tensile Strength 500-600 MPa Not specified
Yield Strength >=275 MPa Not specified
Elongation >=21% Not specified
Hardness 143-187 HB Not specified
Typical Applications
IS 1570 C30
axles, shafts, gears, connecting rods, machine parts, forgings
BS 970 (Part 1) 080A20
Used for nuts, bolts, hydraulic fittings, precision turned parts, sleeves, and couplings.
Key Differences
Can IS 1570 C30 Be Substituted With BS 970 (Part 1) 080A20?
IS 1570 C30 and BS 970 (Part 1) 080A20 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
IS 1570 C30
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5300–6200 mm (208.66–244.09 in)
BS 970 (Part 1) 080A20
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–6600 mm (188.98–259.84 in)
On M-EX Right Now
IS 1570 C30
2 active listings and RFQs →
BS 970 (Part 1) 080A20
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 C30 and BS 970 (Part 1) 080A20?
IS 1570 C30 specifies Si, S, P which are not specified for BS 970 (Part 1) 080A20.
Can IS 1570 C30 be substituted with BS 970 (Part 1) 080A20?
IS 1570 C30 and BS 970 (Part 1) 080A20 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.