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GB/T 3077 35CrMnSi vs IS 1570 (Part 4) 103Cr6

Related Material — 66.8% match based on chemical composition and mechanical property overlap.

GB/T 3077 35CrMnSi (GB/T 3077:2015) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 35CrMnSi is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 35CrMnSi vs IS 1570 (Part 4) 103Cr6 is a 66.8% 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 66.8%.

Frequently Compared With GB/T 3077 35CrMnSi:
IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
66.8%
MECHANICAL MATCH
No shared data
OVERALL
66.8%
Specifications
Property GB/T 3077 35CrMnSi IS 1570 (Part 4) 103Cr6
Standard GB/T 3077:2015 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.32-0.39 0.95-1.10
Si (%) 1.10-1.40 0.10-0.35
Mn (%) 0.80-1.10 0.25-0.45
Cr (%) 1.10-1.40 1.40-1.60
P (%) <=0.030 Not specified
S (%) <=0.030 Not specified
Cu (%) <=0.30 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 3077 35CrMnSi IS 1570 (Part 4) 103Cr6
Tensile Strength >=1620 MPa Not specified
Yield Strength >=1280 MPa Not specified
Elongation >=9% Not specified
Hardness <=241 HB Not specified
Condition Quenched and tempered, test sample Specimen (size not stated); hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 35CrMnSi
Hot-rolled or forged structural alloy steel bars
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can GB/T 3077 35CrMnSi Be Substituted With IS 1570 (Part 4) 103Cr6?
GB/T 3077 35CrMnSi and IS 1570 (Part 4) 103Cr6 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.
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GB/T 3077 35CrMnSi
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between GB/T 3077 35CrMnSi and IS 1570 (Part 4) 103Cr6?
GB/T 3077 35CrMnSi specifies P, S, Cu which are not specified for IS 1570 (Part 4) 103Cr6.
Can GB/T 3077 35CrMnSi be substituted with IS 1570 (Part 4) 103Cr6?
GB/T 3077 35CrMnSi and IS 1570 (Part 4) 103Cr6 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.