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IS 1570 (Part 7) 15Mo6H vs IS 1570 (Part 4) 103Cr4

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

IS 1570 (Part 7) 15Mo6H (IS 1570 (Part 7):1992) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 15Mo6H is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 15Mo6H vs IS 1570 (Part 4) 103Cr4 is a 67.4% 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 IS 1570 (Part 7) 15Mo6H:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr4Mo5H NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
67.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 7) 15Mo6H IS 1570 (Part 4) 103Cr4
Standard IS 1570 (Part 7):1992 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.10-0.20 0.95-1.10
Si (%) 0.10-0.50 0.10-0.35
Mn (%) 0.30-0.80 0.25-0.45
P (%) <=0.045 Not specified
S (%) <=0.045 Not specified
Mo (%) 0.44-0.65 Not specified
Cr (%) Not specified 0.90-1.20
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) 15Mo6H IS 1570 (Part 4) 103Cr4
Tensile Strength >=380 MPa Not specified
Yield Strength >=205 MPa (0.2 % proof stress) Not specified
Elongation >=22% Not specified
Condition Tubes, N+T, thickness - (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 15Mo6H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can IS 1570 (Part 7) 15Mo6H Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 7) 15Mo6H and IS 1570 (Part 4) 103Cr4 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) 15Mo6H
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IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 15Mo6H and IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 7) 15Mo6H specifies P, S, Mo which are not specified for IS 1570 (Part 4) 103Cr4. IS 1570 (Part 4) 103Cr4 specifies Cr which is not specified for IS 1570 (Part 7) 15Mo6H.
Can IS 1570 (Part 7) 15Mo6H be substituted with IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 7) 15Mo6H and IS 1570 (Part 4) 103Cr4 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.