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 and micro alloyed steels 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
|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
|Hydraulic rams, high strength shafts.|
|4140||Heat treated high tensile.||Pins, high tensile fasteners, high strength
|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|