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

Strong Match — 96.4% match based on chemical composition and mechanical property overlap.

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

As per chemical composition, IS 1570 (Part 4) 38Cr4BT vs IS 11169 (Part 1) 38Cr4BT is a 96.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 96.4%.

Frequently Compared With IS 1570 (Part 4) 38Cr4BT:
NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
96.4%
MECHANICAL MATCH
No shared data
OVERALL
96.4%
Specifications
Property IS 1570 (Part 4) 38Cr4BT IS 11169 (Part 1) 38Cr4BT
Standard IS 1570 (Part 4):1988 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.35-0.40 0.35-0.40
Si (%) 0.15-0.30 0.15-0.30
Mn (%) 0.30-0.50 0.30-0.50
Cr (%) 0.95-1.15 0.95-1.15
B (%) 0.0005-0.003 0.0005-0.003
Cu (%) Not specified <=0.15
Mo (%) Not specified <=0.05
P (%) Not specified <=0.035
S (%) Not specified <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 38Cr4BT IS 11169 (Part 1) 38Cr4BT
Hardness, annealed (+AC) Not specified <=200 HBW
Typical Applications
IS 1570 (Part 4) 38Cr4BT
Not documented
IS 11169 (Part 1) 38Cr4BT
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)
Key Differences
Can IS 1570 (Part 4) 38Cr4BT Be Substituted With IS 11169 (Part 1) 38Cr4BT?
IS 1570 (Part 4) 38Cr4BT and IS 11169 (Part 1) 38Cr4BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 38Cr4BT is often considered as a substitute for IS 1570 (Part 4) 38Cr4BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 1570 (Part 4) 38Cr4BT
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IS 11169 (Part 1) 38Cr4BT
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 38Cr4BT and IS 11169 (Part 1) 38Cr4BT?
IS 11169 (Part 1) 38Cr4BT specifies Cu, Mo, P, S which are not specified for IS 1570 (Part 4) 38Cr4BT.
Can IS 1570 (Part 4) 38Cr4BT be substituted with IS 11169 (Part 1) 38Cr4BT?
IS 1570 (Part 4) 38Cr4BT and IS 11169 (Part 1) 38Cr4BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 38Cr4BT is often considered as a substitute for IS 1570 (Part 4) 38Cr4BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.