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EN 10083-3 34Cr4 vs IS 1570 (Part 4) 105Cr5

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

EN 10083-3 34Cr4 (EN 10083-3:2006) and IS 1570 (Part 4) 105Cr5 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 34Cr4 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 4) 105Cr5 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10083-3 34Cr4 vs IS 1570 (Part 4) 105Cr5 is a 77.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With EN 10083-3 34Cr4:
GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
77.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10083-3 34Cr4 IS 1570 (Part 4) 105Cr5
Standard EN 10083-3:2006 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.30-0.37 0.90-1.20
Cr (%) 0.90-1.20 1.00-1.60
Mn (%) 0.60-0.90 0.40-0.80
P (%) <=0.025 Not specified
S (%) <=0.035 Not specified
Si (%) <=0.40 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 34Cr4 IS 1570 (Part 4) 105Cr5
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Hardness Soft annealed (+A): 223 HBW max Not specified
Tensile Strength 900 to 1100 MPa Not specified
Yield Strength 700 MPa min Not specified
Typical Applications
EN 10083-3 34Cr4
Used in high-tensile bolts, studs, shafts, and general engineering components.
IS 1570 (Part 4) 105Cr5
Not documented
Key Differences
Can EN 10083-3 34Cr4 Be Substituted With IS 1570 (Part 4) 105Cr5?
EN 10083-3 34Cr4 and IS 1570 (Part 4) 105Cr5 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
EN 10083-3 34Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6200–6200 mm (244.09–244.09 in)
IS 1570 (Part 4) 105Cr5
No active listings currently.
On M-EX Right Now
EN 10083-3 34Cr4
2 active listings and RFQs →
IS 1570 (Part 4) 105Cr5
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Frequently Asked Questions
What is the difference between EN 10083-3 34Cr4 and IS 1570 (Part 4) 105Cr5?
EN 10083-3 34Cr4 specifies P, S which are not specified for IS 1570 (Part 4) 105Cr5.
Can EN 10083-3 34Cr4 be substituted with IS 1570 (Part 4) 105Cr5?
EN 10083-3 34Cr4 and IS 1570 (Part 4) 105Cr5 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.