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IS 1570 (Part 7) 20Mo5H vs IS 4367 10Cr9Mo10

Minimal Match — 45.3% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 20Mo5H (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) 20Mo5H 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) 20Mo5H vs IS 4367 10Cr9Mo10 is a 62.6% match. As per mechanical properties, the match is 10.7%. Combined, this makes them a minimal match overall at 45.3%.

Frequently Compared With IS 1570 (Part 7) 20Mo5H:
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
62.6%
MECHANICAL MATCH
10.7%
OVERALL
45.3%
Specifications
Property IS 1570 (Part 7) 20Mo5H IS 4367 10Cr9Mo10
Standard IS 1570 (Part 7):1992 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.15-0.25 <=0.15
Si (%) 0.10-0.35 <=0.50
Mn (%) 0.90-1.40 0.40-0.70
P (%) <=0.04 <=0.035
S (%) <=0.04 <=0.035
Cr (%) <=0.30 2.00-2.50
Ni (%) <=0.30 <=0.30
Mo (%) 0.40-0.60 0.90-1.10
Al (metallic) (%) <=0.02 Not specified
Cu (%) <=0.30 Not specified
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) 20Mo5H IS 4367 10Cr9Mo10
Tensile Strength 510-660 MPa 410-590 MPa
Yield Strength >=355 MPa (0.2 % proof stress) 245 MPa min
Elongation >=21% >=18%
Condition Steel plates, N+T, thickness over 3 to 16 (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) 20Mo5H
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) 20Mo5H Be Substituted With IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 20Mo5H 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.
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IS 1570 (Part 7) 20Mo5H
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 20Mo5H and IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 20Mo5H specifies Al (metallic), Cu which are not specified for IS 4367 10Cr9Mo10.
Can IS 1570 (Part 7) 20Mo5H be substituted with IS 4367 10Cr9Mo10?
IS 1570 (Part 7) 20Mo5H 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.