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CSA G40.21 350WT vs IS 1570 (Part 4) 103Cr6

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

CSA G40.21 350WT (CSA G40.21-13 (R2023)) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. CSA G40.21 350WT is defined under Canadian Standards Association (CSA), originating from Canada, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, CSA G40.21 350WT vs IS 1570 (Part 4) 103Cr6 is a 70.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With CSA G40.21 350WT:
NF A35-565 100C6 UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10
Other Alloy Steel Grades to Compare With CSA G40.21 350WT:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
70.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property CSA G40.21 350WT IS 1570 (Part 4) 103Cr6
Standard CSA G40.21-13 (R2023) IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) <=0.22 0.95-1.10
Mn (%) <=1.60 0.25-0.45
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
Si (%) Not specified 0.10-0.35
Cr (%) Not specified 1.40-1.60
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property CSA G40.21 350WT IS 1570 (Part 4) 103Cr6
Tensile Strength 480-650 MPa Not specified
Yield Strength 350 MPa min Not specified
Elongation 18-22 % Not specified
Typical Applications
CSA G40.21 350WT
bridges,offshore structures,heavy fabrication,pressure vessels,cranes,structural components
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can CSA G40.21 350WT Be Substituted With IS 1570 (Part 4) 103Cr6?
CSA G40.21 350WT and IS 1570 (Part 4) 103Cr6 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.
Forms & Sizes Available on M-EX
CSA G40.21 350WT
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–7000 mm (259.84–275.59 in)
IS 1570 (Part 4) 103Cr6
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On M-EX Right Now
CSA G40.21 350WT
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between CSA G40.21 350WT and IS 1570 (Part 4) 103Cr6?
CSA G40.21 350WT specifies P, S which are not specified for IS 1570 (Part 4) 103Cr6. IS 1570 (Part 4) 103Cr6 specifies Si, Cr which are not specified for CSA G40.21 350WT.
Can CSA G40.21 350WT be substituted with IS 1570 (Part 4) 103Cr6?
CSA G40.21 350WT and IS 1570 (Part 4) 103Cr6 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.