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IS 1570 (Part 7) 40CrMoVH vs IS 4367 10Cr9Mo10

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

IS 1570 (Part 7) 40CrMoVH (IS 1570 (Part 7):1992) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 40CrMoVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 40CrMoVH vs IS 4367 10Cr9Mo10 is a 55.2% 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 7) 40CrMoVH:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
55.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 1570 (Part 7) 40CrMoVH IS 4367 10Cr9Mo10
Standard IS 1570 (Part 7):1992 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.36-0.44 <=0.15
Si (%) 0.10-0.35 <=0.50
Mn (%) 0.45-0.85 0.40-0.70
P (%) <=0.030 <=0.035
S (%) <=0.03 <=0.035
Cr (%) 0.9-1.2 2.00-2.50
Mo (%) 0.55-0.75 0.90-1.10
V (%) 0.25-0.35 Not specified
Ni (%) 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 IS 1570 (Part 7) 40CrMoVH IS 4367 10Cr9Mo10
Tensile Strength 850-1000 MPa 410-590 MPa
Yield Strength >=700 MPa (0.2 % proof stress) 245 MPa min
Elongation >=14% >=18%
Condition Bars, forgings, Q+T, thickness up to 100 (first row of Table 3) Normalised and tempered, ruling section up to 50 mm
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Typical Applications
IS 1570 (Part 7) 40CrMoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can IS 1570 (Part 7) 40CrMoVH Be Substituted With IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 40CrMoVH and IS 4367 10Cr9Mo10 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) 40CrMoVH
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 40CrMoVH and IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 40CrMoVH specifies V which is not specified for IS 4367 10Cr9Mo10. IS 4367 10Cr9Mo10 specifies Ni which is not specified for IS 1570 (Part 7) 40CrMoVH.
Can IS 1570 (Part 7) 40CrMoVH be substituted with IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 40CrMoVH and IS 4367 10Cr9Mo10 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.