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EN 10084 18CrMo4 vs IS 4367 10Cr9Mo10

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

EN 10084 18CrMo4 (EN 10084:2008) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. EN 10084 18CrMo4 is defined under European Standard (EN), originating from Europe, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10084 18CrMo4 vs IS 4367 10Cr9Mo10 is a 60.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10084 18CrMo4:
IS 1570 (Part 7) 12Cr4Mo5H NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
60.6%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10084 18CrMo4 IS 4367 10Cr9Mo10
Standard EN 10084:2008 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.15-0.21 <=0.15
Cr (%) 0.90-1.20 2.00-2.50
Mn (%) 0.60-0.90 0.40-0.70
Mo (%) 0.15-0.25 0.90-1.10
P (%) <=0.025 <=0.035
S (%) <=0.035 <=0.035
Si (%) <=0.40 <=0.50
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 EN 10084 18CrMo4 IS 4367 10Cr9Mo10
Condition Soft annealed Normalised and tempered, ruling section up to 50 mm
Hardenability +H band at 1.5 mm from the quenched end: 39 to 47 HRC Not specified
Hardness Soft annealed: 207 HB max Not specified
Tensile Strength Not specified 410-590 MPa
Yield Strength Not specified 245 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Typical Applications
EN 10084 18CrMo4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can EN 10084 18CrMo4 Be Substituted With IS 4367 10Cr9Mo10?
EN 10084 18CrMo4 and IS 4367 10Cr9Mo10 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.
On M-EX Right Now
EN 10084 18CrMo4
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between EN 10084 18CrMo4 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni which is not specified for EN 10084 18CrMo4.
Can EN 10084 18CrMo4 be substituted with IS 4367 10Cr9Mo10?
EN 10084 18CrMo4 and IS 4367 10Cr9Mo10 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.