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IS 1570 (Part 4) 35Mn6Mo4 vs IS 1570 (Part 7) 10Mo6H

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

IS 1570 (Part 4) 35Mn6Mo4 (IS 1570 (Part 4):1988) and IS 1570 (Part 7) 10Mo6H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 35Mn6Mo4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 10Mo6H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 35Mn6Mo4 vs IS 1570 (Part 7) 10Mo6H is a 64% 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 4) 35Mn6Mo4:
NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr4Mo5H
Match Breakdown
CHEMISTRY MATCH
64%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 1570 (Part 4) 35Mn6Mo4 IS 1570 (Part 7) 10Mo6H
Standard IS 1570 (Part 4):1988 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.30-0.40 <=0.15
Si (%) 0.10-0.35 0.50-1.00
Mn (%) 1.30-1.80 0.30-0.60
Mo (%) 0.35-0.55 0.45-0.60
P (%) Not specified <=0.030
S (%) Not specified <=0.030
Cr (%) Not specified 1.00-1.50
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 4) 35Mn6Mo4 IS 1570 (Part 7) 10Mo6H
Tensile Strength 990-1140 MPa >=415 MPa
Yield Strength >=750 MPa (0.2 % proof stress) >=205 MPa (0.2 % proof stress)
Elongation >=13% >=30%
Izod Impact >=48 J Not specified
Hardness 285-341 HBS (guidance only) Not specified
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm Tubes, N+T, thickness - (first row of Table 3)
Typical Applications
IS 1570 (Part 4) 35Mn6Mo4
Not documented
IS 1570 (Part 7) 10Mo6H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 1570 (Part 4) 35Mn6Mo4 Be Substituted With IS 1570 (Part 7) 10Mo6H?
IS 1570 (Part 4) 35Mn6Mo4 and IS 1570 (Part 7) 10Mo6H 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 4) 35Mn6Mo4
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IS 1570 (Part 7) 10Mo6H
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 35Mn6Mo4 and IS 1570 (Part 7) 10Mo6H?
IS 1570 (Part 7) 10Mo6H specifies P, S, Cr which are not specified for IS 1570 (Part 4) 35Mn6Mo4.
Can IS 1570 (Part 4) 35Mn6Mo4 be substituted with IS 1570 (Part 7) 10Mo6H?
IS 1570 (Part 4) 35Mn6Mo4 and IS 1570 (Part 7) 10Mo6H 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.