278 TECHNICAL INFORMATION 4. Copper Alloy Materials 5. Cast and Forged Products, Copper Alloy Castings 6. Steel Pipe Materials 7. Spring Materials Type Material Code Applications Comment JIS Square Bar Hexagonal Bar Round Bar Steel Plate Brass Plate C2801P For Regular Sheet Metal Machining Name Plates and Instrument Panels Used in high strength and ductile sliding parts. Brass JIS H 3100 Good Free-Cutting Brass (Extruded Bar) C3604BD General turming bolts screws, nuts, etc. Good Machinability JIS H 3250 Good Good Good Type Material Code Applications Comment JIS Gray Cast Iron, Class3 FC200 Cast Machine Parts − JIS G 5501 Gray Cast Iron, Class4 FC250 − JIS G 5501 Spheroidal Graphite Cast Iron, Class4 FCD600 − JIS G 5502 Bronze Casting, Class 6 BC6 Bearings, sleeves, bushings and general machine parts. High pressure resistance and abrasion resistance, and good machinability. JIS H 5111 Type Material Code Applications Comment JIS Carbon Steel Pipe for Ordinary Piping White Pipe(Zinc Galvanizing) SGP Black Pipe(No Plating) Piping Parts At ambient temperature (Gas pipe). A is metric specification. B is inch specification. JIS G 3452 Carbon Steel Pipe for Machine Pressure Service STPG370 (STPG38) Piping Parts Operation temperature 350˚C. A is metric specification. B is inch specification. JIS G 3454 Carbon Steel Pipe for Machine Structural Use STKM General Machine Parts Hollow Shafts. Available for class 11 to class 20. JIS G 3445 Seamless Brass Pipe (Regular class) C2700T − Easy Flaring, Bending, Wringing and Plating JIS H 3300 Type Material Code Applications Allowable Operating Temperature ˚ c JIS Piano Wire SWP-A SWP-B High strength, homogenous cold-drawn wire. For high quality springs and forming. 110 JIS G 3522 Hard Steel Wire SWB Applicable to universal stress. For low priced springs and forming. 110 JIS G 3521 SWC For high quality springs and forming. 110 Carbon Steel for Spring Oil Tempered Wire Oil Tempered Steel Wire SWO-A SWO-B Hardening and tempered. For general-purpose springs. 120 JIS G 3560 Carbon Steel for Valve-Spring Oil Tempered Wire. Oil Tempered Steel Wire SWO-V Hardening and tempered. With a fine surface and uniform tensile strength 120 JIS G 3561 Cr-V Steel for Valve-Spring Oil Tempered Steel Wire SWOCV-V Hardening and tempered. Loads and slightly high Temperatures. 220 JIS G 3565 Ci-Cr Steel for Valve-Spring Oil Tempered Steel Wire SWOSC-V Hardening and tempered. Loads and slightly high Temperatures. 245 JIS G 3566 For Springs Stainless Steel Wire (−WPA) SUS302 (−WPB) For general corrosion and heat resistance Available for magnetic spring. 290 JIS G 4314 (−WPA) SUS316 (−WPB) Heat Resistance is good. Higher corrosion resistance than SUS302. Available for magnetic spring. 290 SUS631 J1-WPC Precipitation hardening after spring processing. High strength and general corrosion resistance. Available for magnetic spring. 340
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