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IS 1570 (Part 4) 35C8BT vs EN 10083-1 34Cr4

Close Alternative — 78.3% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 35C8BT (IS 1570 (Part 4):1988) and EN 10083-1 34Cr4 (EN 10083-1:1991) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 35C8BT is defined under Bureau of Indian Standards (IS), originating from India, while EN 10083-1 34Cr4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 1570 (Part 4) 35C8BT vs EN 10083-1 34Cr4 is a 78.3% 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 78.3%.

Frequently Compared With IS 1570 (Part 4) 35C8BT:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
78.3%
MECHANICAL MATCH
No shared data
OVERALL
78.3%
Specifications
Property IS 1570 (Part 4) 35C8BT EN 10083-1 34Cr4
Standard IS 1570 (Part 4):1988 EN 10083-1:1991
Category Alloy Steel Alloy Steel
C (%) 0.31-0.36 0.30-0.37
Si (%) 0.10-0.35 <=0.40
Mn (%) 0.60-1.00 0.60-0.90
Cr (%) 0.10-0.30 0.90-1.20
B (%) 0.0005-0.003 Not specified
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) 35C8BT EN 10083-1 34Cr4
Condition Not specified Quenched and tempered, ruling section d <= 16 mm
Elongation Not specified 12% min
Hardness Not specified Soft annealed: 223 HB max
Tensile Strength Not specified 900 to 1100 MPa
Yield Strength Not specified 700 MPa min
Typical Applications
IS 1570 (Part 4) 35C8BT
Not documented
EN 10083-1 34Cr4
Quenched and tempered machine parts; non alloy steels also normalized (clause 1)
Key Differences
Can IS 1570 (Part 4) 35C8BT Be Substituted With EN 10083-1 34Cr4?
IS 1570 (Part 4) 35C8BT and EN 10083-1 34Cr4 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 1570 (Part 4) 35C8BT
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EN 10083-1 34Cr4
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 35C8BT and EN 10083-1 34Cr4?
IS 1570 (Part 4) 35C8BT specifies B which is not specified for EN 10083-1 34Cr4. EN 10083-1 34Cr4 specifies P, S which are not specified for IS 1570 (Part 4) 35C8BT.
Can IS 1570 (Part 4) 35C8BT be substituted with EN 10083-1 34Cr4?
IS 1570 (Part 4) 35C8BT and EN 10083-1 34Cr4 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.