1-100mm Stainless Steel Bright Round Bar Through Precision Cold Drawing Or Centerless Grinding
stainless steel bright round bar 100mm
,cold drawing ss round bar
,centerless grinding ss bright bar
Zhaotai supplies high-quality stainless steel round bars designed for a wide range of industrial and structural applications. With stable supply capacity and strict quality control, our round bars provide reliable performance for machining, fabrication, and engineering projects.
In addition to standard specifications, we also offers customized diameters, lengths, and processing options based on specific project requirements. For customized specifications or bulk inquiries, please contact our team for further assistance.
Stainless steel bright round bar is a solid, cylindrical bar product characterized by its smooth, bright, and reflective surface finish. Unlike standard hot rolled round bars, which have a dull, scaled surface, bright round bars are produced through precision cold drawing or centerless grinding, resulting in tight dimensional tolerances and an aesthetically pleasing appearance. They are commonly used in applications where both accuracy and surface quality are essential.
Bright round bars offer several advantages over standard hot rolled bars, making them the preferred choice for precision and decorative applications.
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Tight Dimensional Tolerances — Achieved through cold drawing, typically within ±0.15 mm, ensuring consistent fit in precision assemblies
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Smooth, Bright Surface — Ready-to-use finish without the need for additional polishing or surface preparation
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Superior Corrosion Resistance — Available in stainless steel grades such as 304 and 316L, providing excellent protection in harsh environments
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High Strength — Cold working during the drawing process increases tensile strength and hardness
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Excellent Machinability — The smooth surface and consistent material properties make bright bars ideal for turning, drilling, and milling
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Straightness — Precision straightening ensures minimal bow or warp, suitable for long-length applications
The production of stainless steel bright round bar begins with hot rolled round bar as the starting material. The hot rolled bar is first pickled to remove surface scale. It is then cold drawn through a tungsten carbide die at room temperature, which reduces the diameter, tightens tolerances, and creates a smooth, bright surface. Multiple drawing passes may be applied, with intermediate annealing to restore ductility. Alternatively, centerless grinding can be used to achieve ultra-smooth surfaces and precise dimensions. After drawing or grinding, the bars are straightened, cut to length, and inspected for quality.
201, 430, 304, 304L, 316, 316L, 310S, 317, 317L, 321, 904L, 2205, 2507, etc.
Polished finish
Available surface finishes: polishing, sandblasting, brushed, embossing, painting, etc. Please contact us for inquiries.
Available diameters range: 1mm to 100mm.
Standard length: 4m(around 13 ft) or 6m (20 ft), custom lengths available on request
For special needs, please contact customer service.
Cold-Formed
Cutting, Bending, Stamping, Welding, CNC machining, etc. Please contact us for inquiries.
| Industry | Specific Applications |
|---|---|
| Precision Machining | Shafts, pins, fasteners, threaded rods, bushings, couplings |
| Automotive | Engine components, suspension parts, steering system components, transmission shafts |
| Medical Equipment | Surgical instruments, dental tools, implantable device components, medical device housings |
| Food Processing | Hygienic conveyor components, food grade shafts, mixing equipment parts |
| Aerospace | Precision fittings, structural pins, actuation components, control system parts |
| Marine | Boat shafts, propeller shafts, marine hardware, corrosion-resistant fittings |
| Oil & Gas | Pump shafts, valve stems, downhole tools, instrumentation components |
| Architectural | Handrails, balustrades, decorative trim, door handles, furniture components |
| General Engineering | Hydraulic piston rods, pneumatic cylinder shafts, guide rails, linear motion components |
| Electronics | Precision shafts for printers and copiers, semiconductor equipment components |
Stainless steel can be magnetic depending on its internal structure. Austenitic grades like 304 and 316 are normally non-magnetic, but ferritic (430) and martensitic (410) grades are magnetic due to their different crystal structure. Even 304 or 316 may become slightly magnetic after cold working such as bending or stamping, which transforms some austenite into martensite. Therefore, magnetism does not indicate quality — it simply reflects the steel's microstructure and processing history.
For standard materials and sizes held in stock, delivery is guaranteed within 3 days of payment receipt. For products requiring custom dimensions or surface finishes, the lead time is 7 to 15 working days after payment confirmation. Specific delivery schedules should be confirmed with customer service at the time of order placement.
A substantial inventory is maintained to ensure prompt delivery. Stock availability varies by material grade and dimensions. To avoid potential delays, please confirm current stock levels with your sales representative prior to placing an order.
Applicable product standards must be specified at the time of order. For projects with specific technical requirements, please provide detailed parameters, tolerance ranges, and other relevant specifications. A dedicated quality inspection department oversees all stages of production to ensure full compliance. Upon completion, accurate measurements, inspection images, video documentation, and material test reports are provided for customer confirmation.
Complimentary samples are available in any size; however, international shipping fees apply. These charges are deductible from future order payments following formal cooperation. Customized samples are also available for a fee. For further details, please consult your sales representative.
Custom markings on outer packaging are available upon request at no additional cost. Once the marking design is approved, it will be affixed using waterproof tape. If no specific marking is requested, packaging will be shipped without markings by default.
Material grade, dimensions, and other identifying information may be spray-marked directly onto the steel plate surface upon request. For applicable charges, please consult your sales representative.
Standard wooden pallet packaging is provided at no extra cost, with a loading capacity of 1 to 3 tons per pallet. Alternative packaging options, such as iron pallets, are available upon request. Please contact your sales representative for details — bulk orders qualify for preferential pricing.
We maintain partnerships with multiple freight forwarders to offer competitive land, air, and sea freight options. If you have a preferred freight forwarder, we can arrange delivery to your agent's warehouse or to the designated port of shipment.
Factory inspections and product inspections are fully supported. Customers are welcome to visit our facility for in-person inspections. Alternatively, third-party inspection agencies, including SGS, may be arranged to conduct on‑site inspections.
