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JIS G3506:2004 SWRH77B Steel: Specifications & Listings

JIS G3506:2004 SWRH77B: SWRH77B is a high-carbon hard wire rod steel per JIS G3506, commonly known in trade by its informal designation S75C. Used for high-tensile wire products including PC wire and springs.

Category: Carbon Steel
Grade Details
GradeJIS G3506:2004 SWRH77B
Standard JIS G3506:2004
ApplicationsHigh-carbon hard-drawn steel wire rod (SW-C class, 0.80% C); used for hard-drawn steel wire, oil-tempered wire, prestressed concrete (PC) wire/strand, galvanized wire strands, wire rope, springs, tire bead wire
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
JIS G3506 S75C JIS G3506:2004 Japan 0 listings, 3 RFQs →
060A35 BS 970 (Part 1) UK Not yet on M-EX
080A10 BS 970 (Part 1) UK Not yet on M-EX
NF A35-552 XC60 NF A35-552:1986 France 2 listings, 0 RFQs →
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
JIS G3506 S75C JIS G3506:2004 Strong Match
JIS G3506 S80C JIS G3506:2004 Strong Match
JIS G3506 SWRH82B JIS G3506:2004 Strong Match
DIN 17222 C75 DIN 17222:1979-08 Strong Match
DIN 17222 C80 DIN 17222:1979-08 Strong Match
SAE J403 1080 SAE J403:2001 Strong Match
SAE J403 1080 SAE J403:2009 Strong Match
IS 1875 Class 6 IS 1875:1992 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S
0.74-0.81 0.15-0.35 0.60-0.90 <=0.030 <=0.030

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