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JIS G4305 SUS444 vs IS 1570 (Part 7) 12Cr12MoH

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

JIS G4305 SUS444 (JIS G4305:2012) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. JIS G4305 SUS444 is typically used for cold-rolled stainless steel plates, sheet and strip, while IS 1570 (Part 7) 12Cr12MoH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. JIS G4305 SUS444 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4305 SUS444 vs IS 1570 (Part 7) 12Cr12MoH is a 58.8% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4305 SUS444:
EN 10088-1 1.4006 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
58.8%
MECHANICAL MATCH
33.3%
OVERALL
35%
Specifications
Property JIS G4305 SUS444 IS 1570 (Part 7) 12Cr12MoH
Standard JIS G4305:2012 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.025 0.08-0.16
Si (%) <=1.00 <=0.60
Mn (%) <=1.00 0.40-1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.035
Cr (%) 17.00-20.00 11.5-13.00
Mo (%) 1.75-2.50 0.40-0.80
N (%) <=0.025 Not specified
Ni (%) <=0.60 <=1.0
Ti (%) <=0.80 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 JIS G4305 SUS444 IS 1570 (Part 7) 12Cr12MoH
Tensile Strength >=410 MPa 680-880 MPa
Yield Strength >=245 MPa >=490 MPa (0.2 % proof stress)
Elongation >=20% >=20%
Hardness <=217 HB Not specified
Condition Annealed plate and strip; proof strength applies only when specified by the purchaser Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
JIS G4305 SUS444
Cold-rolled stainless steel plates, sheet and strip
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can JIS G4305 SUS444 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
JIS G4305 SUS444 and IS 1570 (Part 7) 12Cr12MoH 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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JIS G4305 SUS444
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IS 1570 (Part 7) 12Cr12MoH
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Frequently Asked Questions
What is the difference between JIS G4305 SUS444 and IS 1570 (Part 7) 12Cr12MoH?
JIS G4305 SUS444 specifies N, Ti which are not specified for IS 1570 (Part 7) 12Cr12MoH.
Can JIS G4305 SUS444 be substituted with IS 1570 (Part 7) 12Cr12MoH?
JIS G4305 SUS444 and IS 1570 (Part 7) 12Cr12MoH 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.