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IS 4367 55Si7 vs IS 3195 55Si7

Related Material — 66.1% match based on chemical composition and mechanical property overlap.

IS 4367 55Si7 (IS 4367:1991) and IS 3195 55Si7 (IS 3195:1992) are both steel grades. Both fall under the Spring Steel category. IS 4367 55Si7 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3195 55Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4367 55Si7 vs IS 3195 55Si7 is a 99.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 66.1%.

Frequently Compared With IS 4367 55Si7:
IS 3431 55Si7 IS 3431 60Si7 IS 1570 (Part 4) 55Si7 IS 1570 (Part 4) 60Si7 IS 5517 55Cr3 IS 1570 (Part 4) 65Si7 EN 10089 55Cr3 IS 3431 65Si7 EN 10089 50CrV4 GB/T 1222 55CrMnA EN 10083-3 51CrV4 EN 10089 55Si7
Match Breakdown
CHEMISTRY MATCH
99.2%
MECHANICAL MATCH
0%
OVERALL
66.1%
Specifications
Property IS 4367 55Si7 IS 3195 55Si7
Standard IS 4367:1991 IS 3195:1992
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.50-0.60
Si (%) 1.50-2.00 1.50-2.00
Mn (%) 0.80-1.00 0.80-1.00
S (%) <=0.035 <=0.030
P (%) <=0.035 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4367 55Si7 IS 3195 55Si7
Tensile Strength 1300-1500 MPa Not specified
Hardness 380-440 HB Not specified
Hardness (soft annealed) <=245 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Not specified
Hardness, annealed Not specified <=245 HB
Hardness, untreated (hot rolled) Not specified about 270 HB (for guidance only)
Typical Applications
IS 4367 55Si7
Not documented
IS 3195 55Si7
Volute and helical springs for railway rolling stock; flats and rounds, springs worked hot and heat-treated (clause 1.1, foreword)
Can IS 4367 55Si7 Be Substituted With IS 3195 55Si7?
IS 4367 55Si7 and IS 3195 55Si7 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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IS 4367 55Si7
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IS 3195 55Si7
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Frequently Asked Questions
What is the difference between IS 4367 55Si7 and IS 3195 55Si7?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4367 55Si7 be substituted with IS 3195 55Si7?
IS 4367 55Si7 and IS 3195 55Si7 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.