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Parker Steel Co. offers a large supply of metric-sized metals, ideal for applications where pre-sized metric parts are needed. Parker Steel’s cold-finished carbon steel, alloyed and high-strength stainless steel, aluminum, copper, brass and tool steel bars/shafting, tubing, sheets and plates, angles, channels and tees; and other specialty shapes can be shipped out the same day as ordered with few exceptions.
Among the most frequently specified metric metals for aerospace applications are the 360 brass and 17-4 PH stainless steel products. The 360 brass (European CuZn36Pb3; CW603N) round and hex bars are produced from a combination of copper and zinc. Exhibiting high strength and superior corrosion-resistance, the 360 brass shapes are 100 percent machinable, although welding and cold forming are not recommended. The material is suitable for bushings, circuit board relays, switches, nuts, bolts, pump shafts, and fixtures.
The 17-PH round bar stainless steel offers high strength, exceptional corrosion resistance, and good mechanical properties. Supplied in condition A (annealed) directly from the mill, these shapes are easily machined and welded for a variety of parts found on aircraft.
Special packaging is offered for customers ordering both stainless steel and carbon steel parts who require stainless steel parts to prevent cross contamination with those made from carbon steel.
Parker Steel is ISO 9001:2008- and CTPAT (Customs Trade Partnership Against Terrorism)-certified. Ninety-six percent of all orders are shipped the same day from the company’s Toledo-based warehouses.
Parker Steel also offers production saw cutting services when needed.
Related Glossary Terms
- corrosion resistance
corrosion resistance
Ability of an alloy or material to withstand rust and corrosion. These are properties fostered by nickel and chromium in alloys such as stainless steel.
- mechanical properties
mechanical properties
Properties of a material that reveal its elastic and inelastic behavior when force is applied, thereby indicating its suitability for mechanical applications; for example, modulus of elasticity, tensile strength, elongation, hardness and fatigue limit.
- milling machine ( mill)
milling machine ( mill)
Runs endmills and arbor-mounted milling cutters. Features include a head with a spindle that drives the cutters; a column, knee and table that provide motion in the three Cartesian axes; and a base that supports the components and houses the cutting-fluid pump and reservoir. The work is mounted on the table and fed into the rotating cutter or endmill to accomplish the milling steps; vertical milling machines also feed endmills into the work by means of a spindle-mounted quill. Models range from small manual machines to big bed-type and duplex mills. All take one of three basic forms: vertical, horizontal or convertible horizontal/vertical. Vertical machines may be knee-type (the table is mounted on a knee that can be elevated) or bed-type (the table is securely supported and only moves horizontally). In general, horizontal machines are bigger and more powerful, while vertical machines are lighter but more versatile and easier to set up and operate.
- sawing machine ( saw)
sawing machine ( saw)
Machine designed to use a serrated-tooth blade to cut metal or other material. Comes in a wide variety of styles but takes one of four basic forms: hacksaw (a simple, rugged machine that uses a reciprocating motion to part metal or other material); cold or circular saw (powers a circular blade that cuts structural materials); bandsaw (runs an endless band; the two basic types are cutoff and contour band machines, which cut intricate contours and shapes); and abrasive cutoff saw (similar in appearance to the cold saw, but uses an abrasive disc that rotates at high speeds rather than a blade with serrated teeth).
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