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IS 11169 (Part 1) 36Cr4BT vs IS 1570 (Part 4) 38Cr4BT

Close Alternative — 76.2% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 36Cr4BT (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 38Cr4BT (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 36Cr4BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 38Cr4BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 36Cr4BT vs IS 1570 (Part 4) 38Cr4BT is a 76.2% 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 76.2%.

Frequently Compared With IS 11169 (Part 1) 36Cr4BT:
UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
76.2%
MECHANICAL MATCH
No shared data
OVERALL
76.2%
Specifications
Property IS 11169 (Part 1) 36Cr4BT IS 1570 (Part 4) 38Cr4BT
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
B (%) 0.0008-0.005 0.0005-0.003
C (%) 0.34-0.38 0.35-0.40
Cr (%) 0.90-1.20 0.95-1.15
Cu (%) <=0.25 Not specified
Mn (%) 0.70-1.00 0.30-0.50
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.30 0.15-0.30
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) 36Cr4BT IS 1570 (Part 4) 38Cr4BT
Core Hardness (CH) >=48 HRC up to 30 mm Not specified
Tensile Strength, annealed (+AC) <=570 MPa (over 5 to 40 mm) Not specified
Typical Applications
IS 11169 (Part 1) 36Cr4BT
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 4) 38Cr4BT
Not documented
Key Differences
Can IS 11169 (Part 1) 36Cr4BT Be Substituted With IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 36Cr4BT and IS 1570 (Part 4) 38Cr4BT 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) 36Cr4BT
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IS 1570 (Part 4) 38Cr4BT
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 36Cr4BT and IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 36Cr4BT specifies Cu, P, S which are not specified for IS 1570 (Part 4) 38Cr4BT.
Can IS 11169 (Part 1) 36Cr4BT be substituted with IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 36Cr4BT and IS 1570 (Part 4) 38Cr4BT 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.