Precision Square Geometry With Sharp Edges & Absolute Flatness
B M Steel Industries produces high-integrity Stainless Steel Square Bright Bars engineered through advanced multi-stage cold drawing and precision profile rolling. Engineered for critical machining and structural assemblies, our square bars exhibit superior corner sharpness, tight across-flats tolerances, and flawless flatness across all four faces.
Processed strictly from prime certified billets, our square bright bars ensure uniform grain structure, excellent transverse strength, and free-machining performance for automated CNC component fabrication, machine keys, guide rails, and architectural turnery.
Technical Specifications
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SIZE RANGE (ACROSS FLATS): 12.70 mm to 50 mm (1/2" to 2")
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DIMENSIONAL TOLERANCE: ISO h11, h12 | DIN 178 | ASTM A484
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AVAILABLE GRADES: AISI 304, 304L, 316, 316L, 303, 321, 410, 420, 430
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SUPPLY LENGTHS & CUTS: 3 to 6 Meters, 10 to 20 Feet | Cut to Length
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SURFACE FINISH: Cold Drawn | Belt Polished | Pickled & Passivated
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QUALITY & CERTIFICATION: 100% Spectro Tested | EN 10204 3.1 MTC
01. Quality & Precision Assurance
Our square bright bars are produced using precision tungsten-carbide extrusion dies and high-rigidity multi-plane straightening units to guarantee uniform cross-sectional squareness, zero twist, and sharp corner radii across the entire bar length.
02. Supply Conditions & Grades
We supply stainless steel square bars conforming to international standards including ASTM A276, ASTM A479, DIN 178, EN 10088-3, and JIS G4303 in customized cut lengths and condition-specific heat treatments.
Austenitic Standard Series
AISI 304, 304L, 316, 316L, 321. Superior anti-corrosion, non-magnetic, and exceptional longevity.
Free-Machining Series (AISI 303)
AISI 303, 303Cu. Sulphur-alloyed for ultra-high CNC machining speeds, low tool wear, and crisp edges.
Martensitic & Ferritic Squares
AISI 410, 416, 420, 430, 431. High yield strength, magnetic responsiveness, and wear resistance.
Export Sea-Worthy Packing
Heavy HDPE protective wrapping, steel strapping, corner edge guards & export wooden crates.
03. Industrial Applications
SS Square Bright Bars are preferred across heavy engineering and precision manufacturing where flat sliding surfaces, keyways, and structural squareness are mandatory.
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