IS 1570 (Part 7) 25Cr2MoVH vs UNI 11234 100Cr6

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

IS 1570 (Part 7) 25Cr2MoVH (IS 1570 (Part 7):1992) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 25Cr2MoVH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. IS 1570 (Part 7) 25Cr2MoVH is defined under Bureau of Indian Standards (IS), originating from India, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, IS 1570 (Part 7) 25Cr2MoVH vs UNI 11234 100Cr6 is a 54.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 7) 25Cr2MoVH:
IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 12Cr2Mo5V2H GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
54.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 1570 (Part 7) 25Cr2MoVH UNI 11234 100Cr6
Standard IS 1570 (Part 7):1992 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.93-1.05
Si (%) 0.20-0.50 0.15-0.35
Mn (%) 0.30-0.60 0.25-0.45
P (%) <=0.030 <=0.025
S (%) <=0.025 <=0.025
Cr (%) 1.5-1.80 1.35-1.65
Ni (%) <=0.40 Not specified
Mo (%) 0.90-1.20 Not specified
V (%) 0.20-0.30 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) 25Cr2MoVH UNI 11234 100Cr6
Tensile Strength >=630 MPa 750-1000 MPa
Yield Strength >=420 MPa (0.2 % proof stress) 400-600 MPa
Elongation >=16% 10-14 %
Condition Forgings of turbine shafts, N+T, thickness up to 900 (first row of Table 3) Not specified
Hardness Not specified 60-64 HRC
Typical Applications
IS 1570 (Part 7) 25Cr2MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can IS 1570 (Part 7) 25Cr2MoVH Be Substituted With UNI 11234 100Cr6?
IS 1570 (Part 7) 25Cr2MoVH and UNI 11234 100Cr6 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 1570 (Part 7) 25Cr2MoVH
No active listings currently.
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
IS 1570 (Part 7) 25Cr2MoVH
0 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 25Cr2MoVH and UNI 11234 100Cr6?
IS 1570 (Part 7) 25Cr2MoVH specifies Ni, Mo, V, Cu which are not specified for UNI 11234 100Cr6.
Can IS 1570 (Part 7) 25Cr2MoVH be substituted with UNI 11234 100Cr6?
IS 1570 (Part 7) 25Cr2MoVH and UNI 11234 100Cr6 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.