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IS 1570 (Part 7) 18C10H vs SAE J404 50B46

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 18C10H (IS 1570 (Part 7):1992) and SAE J404 50B46 (SAE J404:2000) are both steel grades. IS 1570 (Part 7) 18C10H is classified under Carbon Steel, while SAE J404 50B46 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. 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 SAE J404 50B46 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope. IS 1570 (Part 7) 18C10H is defined under Bureau of Indian Standards (IS), originating from India, while SAE J404 50B46 is defined under SAE International, originating from United States.

As per chemical composition, IS 1570 (Part 7) 18C10H vs SAE J404 50B46 is a 77.8% 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 65%.

Frequently Compared With IS 1570 (Part 7) 18C10H:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A62 BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A72 BS 970 (Part 1) 060A78
Match Breakdown
CHEMISTRY MATCH
77.8%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 1570 (Part 7) 18C10H SAE J404 50B46
Standard IS 1570 (Part 7):1992 SAE J404:2000
Category Carbon Steel Alloy Steel
C (%) 0.15-0.22 0.44-0.49
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.60-1.40 0.75-1.00
P (%) <=0.045 <=0.030
S (%) <=0.045 <=0.040
Ni (%) <=0.35 0.20-0.35
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 SAE J404 50B46
Tensile Strength 460-580 MPa Not specified
Yield Strength >=265 MPa (0.2 % proof stress) Not specified
Elongation >=22% Not specified
Condition Seamless pipe and pipe with seam, HF, N, thickness - (first row of Table 3) Not specified
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
SAE J404 50B46
Chemistry-only alloy steel grade; see the composition notes for product scope
Key Differences
Can IS 1570 (Part 7) 18C10H Be Substituted With SAE J404 50B46?
IS 1570 (Part 7) 18C10H and SAE J404 50B46 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.
On M-EX Right Now
IS 1570 (Part 7) 18C10H
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SAE J404 50B46
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 18C10H and SAE J404 50B46?
Different category: IS 1570 (Part 7) 18C10H is Carbon Steel, SAE J404 50B46 is Alloy Steel. IS 1570 (Part 7) 18C10H specifies Cu which is not specified for SAE J404 50B46.
Can IS 1570 (Part 7) 18C10H be substituted with SAE J404 50B46?
IS 1570 (Part 7) 18C10H and SAE J404 50B46 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.