Marbrite
MARBRITE® cold-drawn steel bar is acknowledged for its critical tolerances and uniform composition. This high quality product can be supplied in round, hexagon, square and rectangular sections. All Milltech Martin Bright products ranging from standard to technically advanced, high tensile alloy steels comply with the requirements of AS1443-2004 and are finished to customer specifications.
HIGH GRADE BASE METAL
HIGH GRADE BASE METAL | Description | Applications |
12L14 | The premium grade free-cutting steel used in the most demanding applications. | Excellent machinability and suitable for case hardening and electroplating e.g hydraulic fittings, engine components. |
1214 | A cost-effective steel which can be substituted for 12L14 in certain applications. | Broad range of machined components eg shafts, automotive components. |
1020 | Economical grade with a balance of strength, durability and toughness. | General purpose ‘mild steel’ applications eg threaded bar, shafts. |
1030 | Higher strength than 1020. Suitable for induction hardening. | Architectural fittings, shafts. |
1045 | High strength with reasonable ductility and weldability. | Hydraulic rams, high strength shafts. |
4140 | Heat treated high tensile. | Pins, high tensile fasteners, high strength shafts. |
Other | A range of other grades and sizes are available on enquiry. |
Production Method | Shapes | Sizes (mm) |
Cold Drawn | Round | Diameter 4.76 – 63.50 |
Hexagon | Across Flat 4.76 – 101.6 | |
Square | Across Flat 4.76 – 150 | |
Turned & Polished | Round | Diameter 10 – 260 |
Centerless Precision Ground | Round | Diameter 8 – 170 |
Hard Chromed Bar | Round | Diameter 19 – 160 |
Rough Turned | Round | Diameter 180 – 500 |