Stainless Steel Flat Bar

1. Standard: GB ASTM, JIS, etc

2. Grade: 300,400 series

3.Thickness Range:3mm to 25mm
width range:12mm to 305mm

4. Shape Manufactured: flat bar

5. Length: 2mm-10mm or as customers’ request

6. Surface Finish: #4 polish, #6 polish, #7 polish, #8 mirror finish

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Stainless Steel flat bar is stocked in both rolled flat bar (true flats) and processed flat bar (cut from plate) . Our stainless flat bar is available in303, 304,/304L, 316/316L, 416 and 17-4PH. Stainless Steel bar is used for many corrosive resistant applications, and alloys are selected for their specific properties. If you need assistance in material or product selection, you can contact our sales team for assistance.

Our stainless steel bar products are used in many applications including, but not limited to, Food Processing, Chemical Processing, Pulp & Paper, Aerospace, Automotive, Medical and Commercial Goods.

Specification of Stainless Steel Flat Bar

Stainless Steel Flat Bar
Sizes thickness range: 3mm-25mm, width range:12mm -305mm
stock length: 2mm-10mm
Get A Quote
300 Series Grades 303, 304/304L, 316/316L, Get A Quote
400 Series & Other Grades 416, 17-4PH Get A Quote
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Stainless Steel Flat Bar Processing

You can select a number of processing options to produce stainless steel bars to their exact specification, reducing material costs, production time, scrap and internal handling.

Long Porduct Processing Service Overview
Flat Bar Cutting Thickness range is 1/16'' to 28'' diameter. Products cut include round bar, flat bar, hex bar, square bar, tubing and hollow bar, pipe, angles, channles, beams and tees,
Flat Bar Production Cutting Yieh United can provide production cutting for product diameter up to 4''. We utilize our production equipment to achieve these precision cuts with tight tolerances. All products can be cut to exact requirements.
Flat Bar Polishing Round bar, square bar, hex & flat bar, angles, other shapes including tubular products have OD & ID polishing available.
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Value Added For Stainless Steel Flat Bar

  • Polishing: can polish any stainless steel bar item to a #4 polish, #6 polish, #7 polish, or a #8 mirror finish. Stainless steel polished bar can also be cut to size.
  • Heatreating & Annealing: some grades of stainless steel bars can be heatreated to change the mechanical properties. Precipitation hardening stainless steel such as 17-4ph can be heattreated. 410 stainless steel bar can also be heatreated.
  • Multiple cutting stations allow us to ship cut stainless bar to size when you need it.
  • Grinding and polishing available upon request.
  • Special heat treat requirement can also be supplied.
  • Stainless round bars can also be polished or center-less ground to exact tolerance.
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Nominal Mechanical Properties of Stainless Steel Flat Bar

Tensile Strength (ksi) Yield Strength (ksi) %Elongation (4d) % Reduction in Area Brinell Hardness
Austenitic Stainless Steels
75-120 30-70 50-60 60-70 160-240
Martensitic Stainless Steels
90 80 15 50 200
Precipitation Hardening H900- (Minimum)
190 170 10 40 340
Duplex Stainless Steel
130 90 30 40 190

*The above properties are typlical, rather than minumum, maximum or average and will vary by size.



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