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IS 11169 (Part 1) 38Cr4Mn2BT vs IS 1570 (Part 4) 35C8BT

Close Alternative — 75.8% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 38Cr4Mn2BT (IS 11169 (Part 1):1984) and IS 1570 (Part 4) 35C8BT (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 38Cr4Mn2BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 35C8BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 38Cr4Mn2BT vs IS 1570 (Part 4) 35C8BT is a 75.8% 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 75.8%.

Frequently Compared With IS 11169 (Part 1) 38Cr4Mn2BT:
IS 1570 (Part 4) 103Cr4 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 105Cr5
Match Breakdown
CHEMISTRY MATCH
75.8%
MECHANICAL MATCH
No shared data
OVERALL
75.8%
Specifications
Property IS 11169 (Part 1) 38Cr4Mn2BT IS 1570 (Part 4) 35C8BT
Standard IS 11169 (Part 1):1984 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.35-0.40 0.31-0.36
Mn (%) 0.30-0.50 0.60-1.00
Si (%) 0.15-0.30 0.10-0.35
Cr (%) 0.95-1.15 0.10-0.30
B (%) 0.0005-0.003 0.0005-0.003
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) 38Cr4Mn2BT IS 1570 (Part 4) 35C8BT
Hardness, annealed <=200 HB Not specified
Typical Applications
IS 11169 (Part 1) 38Cr4Mn2BT
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
IS 1570 (Part 4) 35C8BT
Not documented
Can IS 11169 (Part 1) 38Cr4Mn2BT Be Substituted With IS 1570 (Part 4) 35C8BT?
IS 11169 (Part 1) 38Cr4Mn2BT and IS 1570 (Part 4) 35C8BT 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.
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IS 11169 (Part 1) 38Cr4Mn2BT
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IS 1570 (Part 4) 35C8BT
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 38Cr4Mn2BT and IS 1570 (Part 4) 35C8BT?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 1) 38Cr4Mn2BT be substituted with IS 1570 (Part 4) 35C8BT?
IS 11169 (Part 1) 38Cr4Mn2BT and IS 1570 (Part 4) 35C8BT 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.