Related Material — 70% match
based on chemical composition and mechanical property overlap.
GOST 1050 20 (GOST 1050-2013) and IS 1570 (Part 7) 12C7H (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Carbon Steel category.
GOST 1050 20 is typically used for shafts, bolts, gears, pins, forgings, machined components, while IS 1570 (Part 7) 12C7H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature.
IS 1570 (Part 7) 12C7H is defined under Bureau of Indian Standards (IS) (India).
As per chemical composition, GOST 1050 20 vs IS 1570 (Part 7) 12C7H is a 82.1% match.
As per mechanical properties, the match is 45.6%.
Combined, this makes them a related material overall at 70%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
GOST 1050 20
IS 1570 (Part 7) 12C7H
Tensile Strength
410-550 MPa
360-480 MPa
Yield Strength
>=245 MPa
>=215 MPa (0.2 % proof stress)
Elongation
>=24%
>=24%
Hardness
<=156 HB
Not specified
Condition
Not specified
Seamless pipe and pipe with seam, N, thickness - (first row of Table 3)
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Can GOST 1050 20 Be Substituted With IS 1570 (Part 7) 12C7H?
GOST 1050 20 and IS 1570 (Part 7) 12C7H 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.
What is the difference between GOST 1050 20 and IS 1570 (Part 7) 12C7H?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GOST 1050 20 be substituted with IS 1570 (Part 7) 12C7H?
GOST 1050 20 and IS 1570 (Part 7) 12C7H 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.