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IS 1570 (Part 7) 20CrNiMoNbVH vs IS 4367 07Cr4Mo6

Minimal Match — 30.7% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 20CrNiMoNbVH (IS 1570 (Part 7):1992) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 20CrNiMoNbVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 20CrNiMoNbVH vs IS 4367 07Cr4Mo6 is a 46.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 30.7%.

Frequently Compared With IS 1570 (Part 7) 20CrNiMoNbVH:
NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
46.1%
MECHANICAL MATCH
0%
OVERALL
30.7%
Specifications
Property IS 1570 (Part 7) 20CrNiMoNbVH IS 4367 07Cr4Mo6
Standard IS 1570 (Part 7):1992 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.16-0.24 <=0.12
Si (%) 0.10-0.50 0.15-0.60
Mn (%) 0.30-1.00 0.40-0.70
P (%) <=0.040 <=0.035
S (%) <=0.030 <=0.035
Cr (%) 10-12 0.70-1.10
Ni (%) 0.3-1.00 <=0.30
Mo (%) 0.5-1.0 0.45-0.65
V (%) 0.1-0.30 Not specified
Nb (%) 0.2-0.50 Not specified
B (%) <=0.008 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) 20CrNiMoNbVH IS 4367 07Cr4Mo6
Tensile Strength 900-1050 MPa 380-550 MPa
Yield Strength >=750 MPa (0.2 % proof stress) 225 MPa min
Elongation >=10% >=19%
Condition Bars, forgings, Q+T, thickness up to 250 (first row of Table 3) Normalised and tempered, ruling section up to 40 mm
Izod Impact Not specified 60 J min
Hardness (soft annealed) Not specified <=170 HB
Typical Applications
IS 1570 (Part 7) 20CrNiMoNbVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 4367 07Cr4Mo6
Not documented
Key Differences
Can IS 1570 (Part 7) 20CrNiMoNbVH Be Substituted With IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 20CrNiMoNbVH and IS 4367 07Cr4Mo6 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
IS 1570 (Part 7) 20CrNiMoNbVH
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IS 4367 07Cr4Mo6
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 20CrNiMoNbVH and IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 20CrNiMoNbVH specifies V, Nb, B which are not specified for IS 4367 07Cr4Mo6.
Can IS 1570 (Part 7) 20CrNiMoNbVH be substituted with IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 20CrNiMoNbVH and IS 4367 07Cr4Mo6 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.