Post Stock Login Register

GB/T 3077 30Cr vs IS 4367 07Cr4Mo6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 3077 30Cr (GB/T 3077:2015) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 30Cr is defined under Guobiao Standards (GB/T), originating from China, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 30Cr vs IS 4367 07Cr4Mo6 is a 64.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 3077 30Cr:
UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
64.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 3077 30Cr IS 4367 07Cr4Mo6
Standard GB/T 3077:2015 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.27-0.34 <=0.12
Si (%) 0.17-0.37 0.15-0.60
Mn (%) 0.50-0.80 0.40-0.70
Cr (%) 0.80-1.10 0.70-1.10
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Cu (%) <=0.30 Not specified
Ni (%) Not specified <=0.30
Mo (%) Not specified 0.45-0.65
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 30Cr IS 4367 07Cr4Mo6
Tensile Strength >=885 MPa 380-550 MPa
Yield Strength >=685 MPa 225 MPa min
Elongation >=11% >=19%
Hardness <=187 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Normalised and tempered, ruling section up to 40 mm
Izod Impact Not specified 60 J min
Hardness (soft annealed) Not specified <=170 HB
Typical Applications
GB/T 3077 30Cr
Hot-rolled or forged structural alloy steel bars
IS 4367 07Cr4Mo6
Not documented
Key Differences
Can GB/T 3077 30Cr Be Substituted With IS 4367 07Cr4Mo6?
GB/T 3077 30Cr and IS 4367 07Cr4Mo6 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
GB/T 3077 30Cr
0 active listings and RFQs →
IS 4367 07Cr4Mo6
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 30Cr and IS 4367 07Cr4Mo6?
GB/T 3077 30Cr specifies Cu which is not specified for IS 4367 07Cr4Mo6. IS 4367 07Cr4Mo6 specifies Ni, Mo which are not specified for GB/T 3077 30Cr.
Can GB/T 3077 30Cr be substituted with IS 4367 07Cr4Mo6?
GB/T 3077 30Cr and IS 4367 07Cr4Mo6 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.