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

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

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

As per chemical composition, SAE J404 50B46 vs IS 1570 (Part 7) 18C10H 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 SAE J404 50B46:
UNI 11234 100Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
77.8%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property SAE J404 50B46 IS 1570 (Part 7) 18C10H
Standard SAE J404:2000 IS 1570 (Part 7):1992
Category Alloy Steel Carbon Steel
C (%) 0.44-0.49 0.15-0.22
Mn (%) 0.75-1.00 0.60-1.40
Ni (%) 0.20-0.35 <=0.35
P (%) <=0.030 <=0.045
S (%) <=0.040 <=0.045
Si (%) 0.15-0.35 0.10-0.35
Cu (%) Not specified <=0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J404 50B46 IS 1570 (Part 7) 18C10H
Tensile Strength Not specified 460-580 MPa
Yield Strength Not specified >=265 MPa (0.2 % proof stress)
Elongation Not specified >=22%
Condition Not specified Seamless pipe and pipe with seam, HF, N, thickness - (first row of Table 3)
Typical Applications
SAE J404 50B46
Chemistry-only alloy steel grade; see the composition notes for product scope
IS 1570 (Part 7) 18C10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can SAE J404 50B46 Be Substituted With IS 1570 (Part 7) 18C10H?
SAE J404 50B46 and IS 1570 (Part 7) 18C10H 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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SAE J404 50B46
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IS 1570 (Part 7) 18C10H
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Frequently Asked Questions
What is the difference between SAE J404 50B46 and IS 1570 (Part 7) 18C10H?
Different category: SAE J404 50B46 is Alloy Steel, IS 1570 (Part 7) 18C10H is Carbon Steel. IS 1570 (Part 7) 18C10H specifies Cu which is not specified for SAE J404 50B46.
Can SAE J404 50B46 be substituted with IS 1570 (Part 7) 18C10H?
SAE J404 50B46 and IS 1570 (Part 7) 18C10H 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.