

Cold Drawn Bar can be used for various purposes. Cold Drawn Bar Round Bar is made of hot rolled materials with cold form. Cold Drawn bars have various sizes and can be used as part of machines
List of all Cold Drawn Bar products














Questions
Cold Drawn Bar Round Bar
What grades and mechanical properties does JIS G3101 black round bar have?
Black round bar (hot-rolled steel round bar) is made to JIS G3101 in diameters from 15 to 65 mm. Grade SS400 suits general machine parts. Each grade has different mechanical properties (values below are for diameters up to 16 mm).
Grade | Minimum yield point (N/sq.mm) | Tensile strength (N/sq.mm) |
|---|---|---|
SS330 | 206 | 330–430 |
SS400 | 245 | 400–510 |
SS490 | 285 | 490–610 |
SS540 | 400 | 540 minimum |
Phosphorus and sulphur in SS330, SS400 and SS490 are limited to 0.050% maximum. SS540 limits carbon to 0.30%, manganese to 1.60%, and phosphorus and sulphur to 0.040%.

