Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 31Ni10Cr3Mo6 (IS 1570 (Part 4):1988) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 31Ni10Cr3Mo6 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 4) 31Ni10Cr3Mo6 vs UNI 11234 100Cr6 is a 56.6% 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 4) 31Ni10Cr3Mo6:
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 4) 31Ni10Cr3Mo6
UNI 11234 100Cr6
Tensile Strength
1190-1340 MPa
750-1000 MPa
Yield Strength
>=930 MPa (0.2 % proof stress)
400-600 MPa
Elongation
>=10%
10-14 %
Izod Impact
>=35 J
Not specified
Hardness
341-401 HBS (guidance only)
60-64 HRC
Condition
Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm
IS 1570 (Part 4) 31Ni10Cr3Mo6 specifies Ni, Mo which are not specified for UNI 11234 100Cr6.
UNI 11234 100Cr6 specifies P, S which are not specified for IS 1570 (Part 4) 31Ni10Cr3Mo6.
Can IS 1570 (Part 4) 31Ni10Cr3Mo6 Be Substituted With UNI 11234 100Cr6?
IS 1570 (Part 4) 31Ni10Cr3Mo6 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 4) 31Ni10Cr3Mo6 and UNI 11234 100Cr6?
IS 1570 (Part 4) 31Ni10Cr3Mo6 specifies Ni, Mo which are not specified for UNI 11234 100Cr6. UNI 11234 100Cr6 specifies P, S which are not specified for IS 1570 (Part 4) 31Ni10Cr3Mo6.
Can IS 1570 (Part 4) 31Ni10Cr3Mo6 be substituted with UNI 11234 100Cr6?
IS 1570 (Part 4) 31Ni10Cr3Mo6 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.