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IS 4367 25Cr13Mo6 vs IS 1570 (Part 4) 33Mo6

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

IS 4367 25Cr13Mo6 (IS 4367:1991) and IS 1570 (Part 4) 33Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 4367 25Cr13Mo6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 33Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4367 25Cr13Mo6 vs IS 1570 (Part 4) 33Mo6 is a 83.3% 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 IS 4367 25Cr13Mo6:
NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr4
Match Breakdown
CHEMISTRY MATCH
83.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 4367 25Cr13Mo6 IS 1570 (Part 4) 33Mo6
Standard IS 4367:1991 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.25-0.40
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.40-0.70 0.40-0.70
Ni (%) <=0.30 <=0.30
Cr (%) 2.90-3.40 <=0.25
Mo (%) 0.45-0.65 0.45-0.65
S (%) <=0.035 Not specified
P (%) <=0.035 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4367 25Cr13Mo6 IS 1570 (Part 4) 33Mo6
Tensile Strength 900-1050 MPa Not specified
Yield Strength 700 MPa min Not specified
Elongation >=15% Not specified
Izod Impact 55 J min Not specified
Hardness 266-311 HB Not specified
Hardness (soft annealed) <=230 HB Not specified
Condition Hardened and tempered, ruling section up to 150 mm Not specified
Typical Applications
IS 4367 25Cr13Mo6
Used in boilers, pressure vessels, steam pipes, heat exchangers, refinery equipment, and power plant components.
IS 1570 (Part 4) 33Mo6
Not documented
Key Differences
Can IS 4367 25Cr13Mo6 Be Substituted With IS 1570 (Part 4) 33Mo6?
IS 4367 25Cr13Mo6 and IS 1570 (Part 4) 33Mo6 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
IS 4367 25Cr13Mo6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6500 mm (220.47–255.91 in)
IS 1570 (Part 4) 33Mo6
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On M-EX Right Now
IS 4367 25Cr13Mo6
2 active listings and RFQs →
IS 1570 (Part 4) 33Mo6
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Frequently Asked Questions
What is the difference between IS 4367 25Cr13Mo6 and IS 1570 (Part 4) 33Mo6?
IS 4367 25Cr13Mo6 specifies S, P which are not specified for IS 1570 (Part 4) 33Mo6.
Can IS 4367 25Cr13Mo6 be substituted with IS 1570 (Part 4) 33Mo6?
IS 4367 25Cr13Mo6 and IS 1570 (Part 4) 33Mo6 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.