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DIN 17200 30CrMoV9 vs IS 1570 (Part 4) 103Cr4

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

DIN 17200 30CrMoV9 (DIN 17200:1986) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. DIN 17200 30CrMoV9 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, DIN 17200 30CrMoV9 vs IS 1570 (Part 4) 103Cr4 is a 57.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With DIN 17200 30CrMoV9:
UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A NF A35-565 100C6 GOST 4543 12HN3A IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
57.8%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property DIN 17200 30CrMoV9 IS 1570 (Part 4) 103Cr4
Standard DIN 17200:1986 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.26–0.34 0.95-1.10
Mn (%) 0.40–0.70 0.25-0.45
Cr (%) 2.30–2.70 0.90-1.20
Mo (%) 0.90–1.10 Not specified
V (%) 0.18–0.28 Not specified
Si (%) Not specified 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 DIN 17200 30CrMoV9 IS 1570 (Part 4) 103Cr4
Tensile Strength 900–1100 MPa Not specified
Yield Strength ≥750 MPa Not specified
Elongation ≥13% Not specified
Typical Applications
DIN 17200 30CrMoV9
Power generation components, rotors, turbine parts
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can DIN 17200 30CrMoV9 Be Substituted With IS 1570 (Part 4) 103Cr4?
DIN 17200 30CrMoV9 and IS 1570 (Part 4) 103Cr4 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
DIN 17200 30CrMoV9
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5500–6600 mm (216.54–259.84 in)
IS 1570 (Part 4) 103Cr4
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On M-EX Right Now
DIN 17200 30CrMoV9
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between DIN 17200 30CrMoV9 and IS 1570 (Part 4) 103Cr4?
DIN 17200 30CrMoV9 specifies Mo, V which are not specified for IS 1570 (Part 4) 103Cr4. IS 1570 (Part 4) 103Cr4 specifies Si which is not specified for DIN 17200 30CrMoV9.
Can DIN 17200 30CrMoV9 be substituted with IS 1570 (Part 4) 103Cr4?
DIN 17200 30CrMoV9 and IS 1570 (Part 4) 103Cr4 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.