Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 7) 12Cr4Mo5H (IS 1570 (Part 7):1992) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 7) 12Cr4Mo5H is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components.
IS 1570 (Part 7) 12Cr4Mo5H is defined under Bureau of Indian Standards (IS), originating from India, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.
As per chemical composition, IS 1570 (Part 7) 12Cr4Mo5H vs UNI 11234 100Cr6 is a 65.6% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 7) 12Cr4Mo5H:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 7) 12Cr4Mo5H
UNI 11234 100Cr6
Tensile Strength
440-590 MPa
750-1000 MPa
Yield Strength
>=275 MPa (0.2 % proof stress)
400-600 MPa
Elongation
>=22%
10-14 %
Condition
Pipes, N+T, thickness - (first row of Table 3)
Not specified
Hardness
Not specified
60-64 HRC
Typical Applications
IS 1570 (Part 7) 12Cr4Mo5H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 7) 12Cr4Mo5H specifies Mo, Al (metallic) which are not specified for UNI 11234 100Cr6.
UNI 11234 100Cr6 specifies S which is not specified for IS 1570 (Part 7) 12Cr4Mo5H.
Can IS 1570 (Part 7) 12Cr4Mo5H Be Substituted With UNI 11234 100Cr6?
IS 1570 (Part 7) 12Cr4Mo5H and UNI 11234 100Cr6 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 IS 1570 (Part 7) 12Cr4Mo5H and UNI 11234 100Cr6?
IS 1570 (Part 7) 12Cr4Mo5H specifies Mo, Al (metallic) which are not specified for UNI 11234 100Cr6. UNI 11234 100Cr6 specifies S which is not specified for IS 1570 (Part 7) 12Cr4Mo5H.
Can IS 1570 (Part 7) 12Cr4Mo5H be substituted with UNI 11234 100Cr6?
IS 1570 (Part 7) 12Cr4Mo5H and UNI 11234 100Cr6 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.