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IS 11169 (Part 1) 38C8BT vs IS 1570 (Part 4) 103Cr4

Related Material — 64.3% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 38C8BT (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 38C8BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 38C8BT vs IS 1570 (Part 4) 103Cr4 is a 64.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 64.3%.

Frequently Compared With IS 11169 (Part 1) 38C8BT:
NF A35-565 100C6 IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
64.3%
MECHANICAL MATCH
No shared data
OVERALL
64.3%
Specifications
Property IS 11169 (Part 1) 38C8BT IS 1570 (Part 4) 103Cr4
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
B (%) 0.0008-0.005 Not specified
C (%) 0.35-0.40 0.95-1.10
Cr (%) <=0.30 0.90-1.20
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.25-0.45
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.30 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) 38C8BT IS 1570 (Part 4) 103Cr4
Core Hardness (CH) >=48 HRC up to 11 mm Not specified
Tensile Strength, annealed (+AC) <=570 MPa (over 5 to 40 mm) Not specified
Typical Applications
IS 11169 (Part 1) 38C8BT
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) 103Cr4
Not documented
Key Differences
Can IS 11169 (Part 1) 38C8BT Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 38C8BT and IS 1570 (Part 4) 103Cr4 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) 38C8BT
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IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 38C8BT and IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 38C8BT specifies B, Cu, P, S which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 11169 (Part 1) 38C8BT be substituted with IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 38C8BT and IS 1570 (Part 4) 103Cr4 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.