Dec 30 2015 0
Dec 30, 2015

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 marbte 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
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