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EN 10083-1 C25R vs IS 1570 (Part 4) 20Mo6

Related Material — 65% match based on chemical composition and mechanical property overlap.

EN 10083-1 C25R (EN 10083-1:1996) and IS 1570 (Part 4) 20Mo6 (IS 1570 (Part 4):1988) are both steel grades. EN 10083-1 C25R is classified under Carbon Steel, while IS 1570 (Part 4) 20Mo6 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. EN 10083-1 C25R is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 4) 20Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10083-1 C25R vs IS 1570 (Part 4) 20Mo6 is a 73.9% 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 65%.

Frequently Compared With EN 10083-1 C25R:
BS 970 (Part 1) 060A72 BS 970 (Part 1) 040A04 BS 970 (Part 1) 060A62 BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A81 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 070A67 BS 970 (Part 1) 045A10 BS 970 (Part 1) 060A78 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A10
Match Breakdown
CHEMISTRY MATCH
73.9%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property EN 10083-1 C25R IS 1570 (Part 4) 20Mo6
Standard EN 10083-1:1996 IS 1570 (Part 4):1988
Category Carbon Steel Alloy Steel
C (%) 0.22-0.29 0.15-0.25
Cr (%) <=0.40 <=0.25
Cr+Mo+Ni (%) <=0.63 Not specified
Mn (%) 0.40-0.70 0.40-0.70
Mo (%) <=0.10 0.45-0.65
Ni (%) <=0.40 <=0.30
P (%) <=0.035 Not specified
S (%) 0.020-0.040 Not specified
Si (%) <=0.40 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-1 C25R IS 1570 (Part 4) 20Mo6
Condition Quenched and tempered, ruling section d <= 16 mm Not specified
Elongation 19% min Not specified
Tensile Strength 550 to 700 MPa Not specified
Yield Strength 370 MPa min Not specified
Typical Applications
EN 10083-1 C25R
Quenched and tempered machine parts; also used normalized (clause 1.1, Table 10)
IS 1570 (Part 4) 20Mo6
Not documented
Key Differences
Can EN 10083-1 C25R Be Substituted With IS 1570 (Part 4) 20Mo6?
EN 10083-1 C25R and IS 1570 (Part 4) 20Mo6 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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EN 10083-1 C25R
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IS 1570 (Part 4) 20Mo6
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Frequently Asked Questions
What is the difference between EN 10083-1 C25R and IS 1570 (Part 4) 20Mo6?
Different category: EN 10083-1 C25R is Carbon Steel, IS 1570 (Part 4) 20Mo6 is Alloy Steel. EN 10083-1 C25R specifies Cr+Mo+Ni, P, S which are not specified for IS 1570 (Part 4) 20Mo6.
Can EN 10083-1 C25R be substituted with IS 1570 (Part 4) 20Mo6?
EN 10083-1 C25R and IS 1570 (Part 4) 20Mo6 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.