
BS 1449 HR 3 steel is suitable for presswork and surface treatment;
Low carbon steel sheets (deep-drawing) are suitable for deep-drawing and cold forming. The sheets are weldable; higher grades are suitable for surface treatment by hot dipping, enameling or other coating methods.
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| HR3 BS1449 Number: 1.0332 | Comparison of steel grades | |
| NFA 36-301 | 1C | |
| EN10111 | DD11 | |
| DIN 1614/2 | StW 22 | |
| JIS G 3131 | SPHD | |
| ASTM-SAE | A621DQ-SAE1010 | |
| UNI5867 | FEP11 | |
| UNE36.093 | AP11 | |
Chemical analysis -% by mass* Mechanical properties
| Chemical elements | C | Si max | Mn max | P max. | S max. |
| HR3 | 0.12 | -- | 0.60 | 0.045 | 0.045 |
| thickness | Yield Strength ReH [N/mm2] transv.min. | Tensile Strength Rm [N/mm2] transv. | Fracture Elongation[%]transv. min. | Bending Test transv.bending mandrel Ø angle = 180° s = plate thickness |
| t≤ 16mm t >16mm | 170-340 | 1 S | ||
| t < 3mm t ≥ 3mm | 440 | |||
|
Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm |
23 A80 24 A80 28 A5 |
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