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IS 1570 (Part 7) 18C10H vs BS 970 (Part 1) 045M10

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 18C10H (IS 1570 (Part 7):1992) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 1570 (Part 7) 18C10H is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while BS 970 (Part 1) 045M10 is commonly used for case hardening steel (section four). IS 1570 (Part 7) 18C10H is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 7) 18C10H vs BS 970 (Part 1) 045M10 is a 69.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 7) 18C10H:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A67 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A62 BS 970 (Part 1) 060A72 BS 970 (Part 1) 060A78 BS 970 (Part 1) 060A81
Match Breakdown
CHEMISTRY MATCH
69.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 1570 (Part 7) 18C10H BS 970 (Part 1) 045M10
Standard IS 1570 (Part 7):1992 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.15-0.22 0.07-0.13
Si (%) 0.10-0.35 Not specified
Mn (%) 0.60-1.40 0.30-0.60
P (%) <=0.045 Not specified
S (%) <=0.045 Not specified
Ni (%) <=0.35 Not specified
Cu (%) <=0.30 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 (Part 7) 18C10H BS 970 (Part 1) 045M10
Tensile Strength 460-580 MPa 430 MPa min
Yield Strength >=265 MPa (0.2 % proof stress) Not specified
Elongation >=22% 18 % min
Condition Seamless pipe and pipe with seam, HF, N, thickness - (first row of Table 3) Case hardened, 19 mm test bar
Typical Applications
IS 1570 (Part 7) 18C10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
BS 970 (Part 1) 045M10
Case hardening steel (section four)
Key Differences
Can IS 1570 (Part 7) 18C10H Be Substituted With BS 970 (Part 1) 045M10?
IS 1570 (Part 7) 18C10H and BS 970 (Part 1) 045M10 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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IS 1570 (Part 7) 18C10H
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BS 970 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 18C10H and BS 970 (Part 1) 045M10?
IS 1570 (Part 7) 18C10H specifies Si, P, S, Ni which are not specified for BS 970 (Part 1) 045M10.
Can IS 1570 (Part 7) 18C10H be substituted with BS 970 (Part 1) 045M10?
IS 1570 (Part 7) 18C10H and BS 970 (Part 1) 045M10 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.