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IS 11169 (Part 1) 4C2 vs IS 1570 (Part 7) 12C7H

Close Alternative — 73% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 4C2 (IS 11169 (Part 1):2022) and IS 1570 (Part 7) 12C7H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 4C2 is typically used for cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex a), while IS 1570 (Part 7) 12C7H 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) 4C2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12C7H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 4C2 vs IS 1570 (Part 7) 12C7H is a 73% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 73%.

Frequently Compared With IS 11169 (Part 1) 4C2:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
No shared data
OVERALL
73%
Specifications
Property IS 11169 (Part 1) 4C2 IS 1570 (Part 7) 12C7H
Standard IS 11169 (Part 1):2022 IS 1570 (Part 7):1992
Category Carbon Steel Carbon Steel
C (%) <=0.08 <=0.17
Cr (%) <=0.15 <=0.25
Cu (%) <=0.15 <=0.30
Mn (%) <=0.40 0.40-1.00
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 <=0.35
P (%) <=0.035 <=0.045
S (%) <=0.035 <=0.045
Si (%) Not specified 0.10-0.35
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) 4C2 IS 1570 (Part 7) 12C7H
Hardness, annealed (+AC) <=120 HBW Not specified
Tensile Strength Not specified 360-480 MPa
Yield Strength Not specified >=215 MPa (0.2 % proof stress)
Elongation Not specified >=24%
Condition Not specified Seamless pipe and pipe with seam, N, thickness - (first row of Table 3)
Typical Applications
IS 11169 (Part 1) 4C2
Cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex A)
IS 1570 (Part 7) 12C7H
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) 4C2 Be Substituted With IS 1570 (Part 7) 12C7H?
IS 11169 (Part 1) 4C2 and IS 1570 (Part 7) 12C7H are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
IS 11169 (Part 1) 4C2
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IS 1570 (Part 7) 12C7H
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 4C2 and IS 1570 (Part 7) 12C7H?
IS 11169 (Part 1) 4C2 specifies Mo which is not specified for IS 1570 (Part 7) 12C7H. IS 1570 (Part 7) 12C7H specifies Si which is not specified for IS 11169 (Part 1) 4C2.
Can IS 11169 (Part 1) 4C2 be substituted with IS 1570 (Part 7) 12C7H?
IS 11169 (Part 1) 4C2 and IS 1570 (Part 7) 12C7H are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.