Hot-rolled Steel Features The product has characteristics of atmospheric corrosion resistant, outstanding drawability and weldability, high strength and pressure resistance capacity. Applications Manufacturing Automotive part, appliances internal part Construction For building structure, bridge, ship, oil well pipe, high pressure gas cylinder Specification JIS G 3131 – Hot-Rolled Grade and symbol Symbol of grade Remarks SPHC Commercial quality SPHD Drawing quality SPHE Deep drawing quality Tensile strength Symbol of grade Tensile strength N/mm² SPHC 270 min. SPHD 270 min. SPHE 270 min. JIS G 3101 – Hot-Rolled Tensile strength Symbol of grade Tensile strength N/mm² SS330 330 to 430 SS400 400 to 510 SS490 490 to 610 SS540 540 min. Yield point Symbol of grade Yield point N/mm² T <= 16mm Yield point N/mm² 16mm < T <= 40 mm Yield point N/mm² T > 40 mm SS330 205 min. 195 min. 175 min. SS400 245 min. 235 min. 215 min. SS490 285 min. 275 min. 255 min. SS540 400 min. 390 min. --- JIS G 3113 – Hot-Rolled Tensile strength Symbol of grade Tensile strength N/mm² SAPH 310 310 min. SAPH 370 370 min. SAPH 400 400 min. SAPH 440 440 min. Yield point Symbol of grade Yield point N/mm² T < 6mm Yield point N/mm² 6 <= T < 8 mm Yield point N/mm² 8 <= T <= 14 mm SAPH 310 185 min. 185 min. 175 min. SAPH 370 225 min. 225 min. 215 min. SAPH 400 255 min. 235 min. 235 min. SAPH 440 305 min. 295 min. 275 min. JIS G 3134 – Hot-Rolled Tensile strength and yield point Symbol of grade Tensile strength N/mm² Yield point N/mm² SPFH 490 490 min. 325 min. SPFH 540 540 min. 355 min. SPFH 590 590 min. 420 min. SPFH 540Y 540 min. 295 min. SPFH 590Y 590 min. 325 min. HOME | ABOUT US | PRODUCTS | SERVICES | CUSTOMERS | PARTNERS | CONTACT US   Copyright © 2000-2019 Cheungkee Metal Co Ltd. All rights reserved. Designed by Vifsense Ltd.