UNI 7845 42CrMo4 vs IS 4367 07Cr4Mo6

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

UNI 7845 42CrMo4 (UNI 7845:1978) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. UNI 7845 42CrMo4 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, UNI 7845 42CrMo4 vs IS 4367 07Cr4Mo6 is a 61.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With UNI 7845 42CrMo4:
NF A35-565 100C6 UNI 11234 100Cr6 GOST 4543 12HN3A IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
61.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property UNI 7845 42CrMo4 IS 4367 07Cr4Mo6
Standard UNI 7845:1978 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.38-0.45 <=0.12
Si (%) <=0.40 0.15-0.60
Mn (%) 0.60-0.90 0.40-0.70
P (%) <=0.025 <=0.035
S (%) <=0.035 <=0.035
Cr (%) 0.90-1.20 0.70-1.10
Mo (%) 0.15-0.30 0.45-0.65
Ni (%) Not specified <=0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property UNI 7845 42CrMo4 IS 4367 07Cr4Mo6
Tensile Strength 900-1100 MPa 380-550 MPa
Yield Strength 700-900 MPa 225 MPa min
Elongation 11-16 % >=19%
Hardness 248-320 HB Not specified
Izod Impact Not specified 60 J min
Hardness (soft annealed) Not specified <=170 HB
Condition Not specified Normalised and tempered, ruling section up to 40 mm
Typical Applications
UNI 7845 42CrMo4
shafts,gears,axles,studs,forgings,machine components,automotive parts,hydraulic parts
IS 4367 07Cr4Mo6
Not documented
Key Differences
Can UNI 7845 42CrMo4 Be Substituted With IS 4367 07Cr4Mo6?
UNI 7845 42CrMo4 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.
Forms & Sizes Available on M-EX
UNI 7845 42CrMo4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–6300 mm (196.85–248.03 in)
IS 4367 07Cr4Mo6
No active listings currently.
On M-EX Right Now
UNI 7845 42CrMo4
2 active listings and RFQs →
IS 4367 07Cr4Mo6
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between UNI 7845 42CrMo4 and IS 4367 07Cr4Mo6?
IS 4367 07Cr4Mo6 specifies Ni which is not specified for UNI 7845 42CrMo4.
Can UNI 7845 42CrMo4 be substituted with IS 4367 07Cr4Mo6?
UNI 7845 42CrMo4 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.