GB/T 3077 20CrNiMo vs IS 1570 (Part 7) 10Cr36Mo10H
Minimal Match — 34.7% match
based on chemical composition and mechanical property overlap.
GB/T 3077 20CrNiMo (GB/T 3077:2015) and IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Alloy Steel category.
GB/T 3077 20CrNiMo is typically used for used for carburized gears, shafts, heavy-duty pinions, gearbox components, couplings, and bearings., while IS 1570 (Part 7) 10Cr36Mo10H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature.
GB/T 3077 20CrNiMo is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 7) 10Cr36Mo10H is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, GB/T 3077 20CrNiMo vs IS 1570 (Part 7) 10Cr36Mo10H is a 52% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 34.7%.
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 20CrNiMo
IS 1570 (Part 7) 10Cr36Mo10H
Tensile Strength
>=980 MPa
410-560 MPa
Yield Strength
>=785 MPa
>=135 MPa (0.2 % proof stress)
Elongation
>=9%
>=20%
Hardness
<=197 HB
Not specified
Condition
Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered
Pipes, A, thickness - (first row of Table 3)
Typical Applications
GB/T 3077 20CrNiMo
Used for carburized gears, shafts, heavy-duty pinions, gearbox components, couplings, and bearings.
IS 1570 (Part 7) 10Cr36Mo10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
GB/T 3077 20CrNiMo specifies Ni, Cu which are not specified for IS 1570 (Part 7) 10Cr36Mo10H.
IS 1570 (Part 7) 10Cr36Mo10H specifies Al (metallic) which is not specified for GB/T 3077 20CrNiMo.
Can GB/T 3077 20CrNiMo Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
GB/T 3077 20CrNiMo and IS 1570 (Part 7) 10Cr36Mo10H 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.
What is the difference between GB/T 3077 20CrNiMo and IS 1570 (Part 7) 10Cr36Mo10H?
GB/T 3077 20CrNiMo specifies Ni, Cu which are not specified for IS 1570 (Part 7) 10Cr36Mo10H. IS 1570 (Part 7) 10Cr36Mo10H specifies Al (metallic) which is not specified for GB/T 3077 20CrNiMo.
Can GB/T 3077 20CrNiMo be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
GB/T 3077 20CrNiMo and IS 1570 (Part 7) 10Cr36Mo10H 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.