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IS 1570 (Part 7) 16Mo3H vs IS 1570 (Part 4) 16Ni6Cr7Mo3

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

IS 1570 (Part 7) 16Mo3H (IS 1570 (Part 7):1992) and IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 16Mo3H is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 16Mo3H vs IS 1570 (Part 4) 16Ni6Cr7Mo3 is a 72.1% 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 1570 (Part 7) 16Mo3H:
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
72.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 7) 16Mo3H IS 1570 (Part 4) 16Ni6Cr7Mo3
Standard IS 1570 (Part 7):1992 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.12-0.20 0.14-0.19
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.40-0.80 0.40-0.60
P (%) <=0.04 Not specified
S (%) <=0.04 Not specified
Cr (%) <=0.30 1.50-1.80
Ni (%) <=0.35 1.40-1.70
Mo (%) 0.25-0.35 0.25-0.35
Al (metallic) (%) <=0.02 Not specified
Cu (%) <=0.30 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 1570 (Part 7) 16Mo3H IS 1570 (Part 4) 16Ni6Cr7Mo3
Tensile Strength 440-590 MPa Not specified
Yield Strength >=260 MPa (0.2 % proof stress) Not specified
Elongation >=24% Not specified
Condition Seamless pipes, steel plates, N, N+T, thickness over 3 to 16 (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 16Mo3H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 4) 16Ni6Cr7Mo3
Not documented
Key Differences
Can IS 1570 (Part 7) 16Mo3H Be Substituted With IS 1570 (Part 4) 16Ni6Cr7Mo3?
IS 1570 (Part 7) 16Mo3H and IS 1570 (Part 4) 16Ni6Cr7Mo3 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.
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IS 1570 (Part 7) 16Mo3H
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IS 1570 (Part 4) 16Ni6Cr7Mo3
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 16Mo3H and IS 1570 (Part 4) 16Ni6Cr7Mo3?
IS 1570 (Part 7) 16Mo3H specifies P, S, Al (metallic), Cu which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can IS 1570 (Part 7) 16Mo3H be substituted with IS 1570 (Part 4) 16Ni6Cr7Mo3?
IS 1570 (Part 7) 16Mo3H and IS 1570 (Part 4) 16Ni6Cr7Mo3 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.