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GB/T 3077 20CrMnTi vs NF A35-565 100C6

Minimal Match — 45.2% match based on chemical composition and mechanical property overlap.

GB/T 3077 20CrMnTi (GB/T 3077:2015) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 20CrMnTi is typically used for gears, transmission shafts, pinions, carburized components, automotive parts, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. GB/T 3077 20CrMnTi is defined under Guobiao Standards (GB/T), originating from China, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, GB/T 3077 20CrMnTi vs NF A35-565 100C6 is a 67.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 45.2%.

Frequently Compared With GB/T 3077 20CrMnTi:
GOST 4543 12HN3A UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H
Other Alloy Steel Grades to Compare With GB/T 3077 20CrMnTi:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
67.8%
MECHANICAL MATCH
0%
OVERALL
45.2%
Specifications
Property GB/T 3077 20CrMnTi NF A35-565 100C6
Standard GB/T 3077:2015 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.95-1.05
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.80-1.10 0.25-0.45
Cr (%) 1.00-1.30 1.35-1.65
Ti (%) 0.04-0.10 Not specified
P (%) <=0.030 <=0.027
S (%) <=0.030 <=0.025
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 20CrMnTi NF A35-565 100C6
Tensile Strength >=1080 MPa 850-1100 MPa
Yield Strength >=850 MPa Not specified
Elongation >=10% Not specified
Hardness <=217 HB 60-66 HRC
Condition Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 20CrMnTi
gears, transmission shafts, pinions, carburized components, automotive parts
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can GB/T 3077 20CrMnTi Be Substituted With NF A35-565 100C6?
GB/T 3077 20CrMnTi and NF A35-565 100C6 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.
Forms & Sizes Available on M-EX
GB/T 3077 20CrMnTi
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5500–6000 mm (216.54–236.22 in)
NF A35-565 100C6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6700–6700 mm (263.78–263.78 in)
On M-EX Right Now
GB/T 3077 20CrMnTi
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 20CrMnTi and NF A35-565 100C6?
GB/T 3077 20CrMnTi specifies Ti, Cu which are not specified for NF A35-565 100C6.
Can GB/T 3077 20CrMnTi be substituted with NF A35-565 100C6?
GB/T 3077 20CrMnTi and NF A35-565 100C6 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.