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IS 11169 (Part 1) 25Cr13Mo6 vs IS 1570 (Part 7) 20Mo5H

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 25Cr13Mo6 (IS 11169 (Part 1):2022) and IS 1570 (Part 7) 20Mo5H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 25Cr13Mo6 is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while IS 1570 (Part 7) 20Mo5H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 11169 (Part 1) 25Cr13Mo6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 20Mo5H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 25Cr13Mo6 vs IS 1570 (Part 7) 20Mo5H is a 70.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 11169 (Part 1) 25Cr13Mo6:
IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
70.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 11169 (Part 1) 25Cr13Mo6 IS 1570 (Part 7) 20Mo5H
Standard IS 11169 (Part 1):2022 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.15-0.25
Cr (%) 2.90-3.40 <=0.30
Cu (%) <=0.15 <=0.30
Mn (%) 0.40-0.70 0.90-1.40
Mo (%) 0.45-0.65 0.40-0.60
Ni (%) <=0.15 <=0.30
P (%) <=0.035 <=0.04
S (%) <=0.035 <=0.04
Si (%) 0.10-0.35 0.10-0.35
Al (metallic) (%) Not specified <=0.02
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 25Cr13Mo6 IS 1570 (Part 7) 20Mo5H
Hardness, annealed (+AC) <=190 HBW Not specified
Tensile Strength Not specified 510-660 MPa
Yield Strength Not specified >=355 MPa (0.2 % proof stress)
Elongation Not specified >=21%
Condition Not specified Steel plates, N+T, thickness over 3 to 16 (first row of Table 3)
Typical Applications
IS 11169 (Part 1) 25Cr13Mo6
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
IS 1570 (Part 7) 20Mo5H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 11169 (Part 1) 25Cr13Mo6 Be Substituted With IS 1570 (Part 7) 20Mo5H?
IS 11169 (Part 1) 25Cr13Mo6 and IS 1570 (Part 7) 20Mo5H 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 11169 (Part 1) 25Cr13Mo6
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IS 1570 (Part 7) 20Mo5H
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 25Cr13Mo6 and IS 1570 (Part 7) 20Mo5H?
IS 1570 (Part 7) 20Mo5H specifies Al (metallic) which is not specified for IS 11169 (Part 1) 25Cr13Mo6.
Can IS 11169 (Part 1) 25Cr13Mo6 be substituted with IS 1570 (Part 7) 20Mo5H?
IS 11169 (Part 1) 25Cr13Mo6 and IS 1570 (Part 7) 20Mo5H 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.