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IS 1570 (Part 4) 36Si7 vs GB/T 3077 35SiMn

Close Alternative — 82.8% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 36Si7 (IS 1570 (Part 4):1988) and GB/T 3077 35SiMn (GB/T 3077:2015) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 36Si7 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 3077 35SiMn is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, IS 1570 (Part 4) 36Si7 vs GB/T 3077 35SiMn is a 82.8% 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 82.8%.

Frequently Compared With IS 1570 (Part 4) 36Si7:
UNI 11234 100Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
82.8%
MECHANICAL MATCH
No shared data
OVERALL
82.8%
Specifications
Property IS 1570 (Part 4) 36Si7 GB/T 3077 35SiMn
Standard IS 1570 (Part 4):1988 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.33-0.40 0.32-0.40
Si (%) 1.50-2.00 1.10-1.40
Mn (%) 0.80-1.00 1.10-1.40
P (%) Not specified <=0.030
S (%) Not specified <=0.030
Cu (%) Not specified <=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 1570 (Part 4) 36Si7 GB/T 3077 35SiMn
Tensile Strength Not specified >=885 MPa
Yield Strength Not specified >=735 MPa
Elongation Not specified >=15%
Hardness Not specified <=229 HB
Condition Not specified Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
IS 1570 (Part 4) 36Si7
Not documented
GB/T 3077 35SiMn
Hot-rolled or forged structural alloy steel bars
Key Differences
Can IS 1570 (Part 4) 36Si7 Be Substituted With GB/T 3077 35SiMn?
IS 1570 (Part 4) 36Si7 and GB/T 3077 35SiMn 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 1570 (Part 4) 36Si7
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GB/T 3077 35SiMn
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 36Si7 and GB/T 3077 35SiMn?
GB/T 3077 35SiMn specifies P, S, Cu which are not specified for IS 1570 (Part 4) 36Si7.
Can IS 1570 (Part 4) 36Si7 be substituted with GB/T 3077 35SiMn?
IS 1570 (Part 4) 36Si7 and GB/T 3077 35SiMn 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.