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IS 11169 (Part 1) 18Cr4Mo2S3 vs IS 1570 (Part 7) 10Mo6H

Minimal Match — 40.5% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 18Cr4Mo2S3 (IS 11169 (Part 1):2022) and IS 1570 (Part 7) 10Mo6H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 18Cr4Mo2S3 is typically used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b), while IS 1570 (Part 7) 10Mo6H 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) 18Cr4Mo2S3 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 11169 (Part 1) 18Cr4Mo2S3 vs IS 1570 (Part 7) 10Mo6H is a 60.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 40.5%.

Frequently Compared With IS 11169 (Part 1) 18Cr4Mo2S3:
IS 11169 (Part 1) 12Cr4Mo2 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
60.8%
MECHANICAL MATCH
0%
OVERALL
40.5%
Specifications
Property IS 11169 (Part 1) 18Cr4Mo2S3 IS 1570 (Part 7) 10Mo6H
Standard IS 11169 (Part 1):2022 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.15-0.21 <=0.15
Cr (%) 0.90-1.20 1.00-1.50
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.30-0.60
Mo (%) 0.15-0.25 0.45-0.60
P (%) <=0.025 <=0.030
S (%) 0.020-0.040 <=0.030
Si (%) <=0.30 0.50-1.00
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) 18Cr4Mo2S3 IS 1570 (Part 7) 10Mo6H
Hardness, ferrite-pearlite (+FP) 140-187 HB Not specified
Tensile Strength, annealed (+AC) <=550 MPa (over 5 to 40 mm) Not specified
Tensile Strength Not specified >=415 MPa
Yield Strength Not specified >=205 MPa (0.2 % proof stress)
Elongation Not specified >=30%
Condition Not specified Tubes, N+T, thickness - (first row of Table 3)
Typical Applications
IS 11169 (Part 1) 18Cr4Mo2S3
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
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 11169 (Part 1) 18Cr4Mo2S3 Be Substituted With IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 18Cr4Mo2S3 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.
On M-EX Right Now
IS 11169 (Part 1) 18Cr4Mo2S3
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IS 1570 (Part 7) 10Mo6H
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 18Cr4Mo2S3 and IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 18Cr4Mo2S3 specifies Cu which is not specified for IS 1570 (Part 7) 10Mo6H.
Can IS 11169 (Part 1) 18Cr4Mo2S3 be substituted with IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 18Cr4Mo2S3 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.