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IS 1570 (Part 5) X40Ni14Cr14W3Si2 vs IS 1570 (Part 7) 12Cr12Ni2Mo

Minimal Match — 29.8% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 5) X40Ni14Cr14W3Si2 (IS 1570 (Part 5):1985) and IS 1570 (Part 7) 12Cr12Ni2Mo (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X40Ni14Cr14W3Si2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12Ni2Mo is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 5) X40Ni14Cr14W3Si2 vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 44.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 29.8%.

Frequently Compared With IS 1570 (Part 5) X40Ni14Cr14W3Si2:
EN 10088-1 1.4845 GOST 5632 12Kh13 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 GOST 5632 08X18H10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
44.6%
MECHANICAL MATCH
0%
OVERALL
29.8%
Specifications
Property IS 1570 (Part 5) X40Ni14Cr14W3Si2 IS 1570 (Part 7) 12Cr12Ni2Mo
Standard IS 1570 (Part 5):1985 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.35-0.50 0.08-0.16
Si (%) <=2.0 <=0.35
Mn (%) <=1.0 0.50-0.90
P (%) <=0.045 <=0.040
S (%) <=0.035 <=0.030
Cr (%) 12.0-15.0 11.0-12.5
Ni (%) 12.0-15.0 2.0-3.0
W (%) 2.0-3.0 Not specified
Mo (%) Not specified 1.5-2.00
V (%) Not specified 0.25-0.40
N (%) Not specified 0.02-0.04
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 5) X40Ni14Cr14W3Si2 IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength >=785 MPa 930-1130 MPa
Yield Strength >=345 MPa (0.2 % proof stress) >=785 MPa (0.2 % proof stress)
Elongation >=35% (50 mm) >=14%
Hardness <=269 HB Not specified
Condition Annealed, quenched or solution treated bars and flats (Table 3) Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Typical Applications
IS 1570 (Part 5) X40Ni14Cr14W3Si2
Not documented
IS 1570 (Part 7) 12Cr12Ni2Mo
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 1570 (Part 5) X40Ni14Cr14W3Si2 Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 5) X40Ni14Cr14W3Si2 and IS 1570 (Part 7) 12Cr12Ni2Mo 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 5) X40Ni14Cr14W3Si2
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IS 1570 (Part 7) 12Cr12Ni2Mo
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X40Ni14Cr14W3Si2 and IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 5) X40Ni14Cr14W3Si2 specifies W which is not specified for IS 1570 (Part 7) 12Cr12Ni2Mo. IS 1570 (Part 7) 12Cr12Ni2Mo specifies Mo, V, N which are not specified for IS 1570 (Part 5) X40Ni14Cr14W3Si2.
Can IS 1570 (Part 5) X40Ni14Cr14W3Si2 be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 5) X40Ni14Cr14W3Si2 and IS 1570 (Part 7) 12Cr12Ni2Mo 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.