201/202 Stainless Steel Flat Bar Manufacturers
201/202 Stainless Steel Flat Bar
Stainless steel flat bars are rectangular steel pieces with smooth edges. They can be either semi-finished or fully finished. There are two main types: cold drawn polished and hot rolled acid-washed stainless steel flat bars. We offer flat bars in various grades, including 304, 201, 316L, 310S, and 2205. You can choose from different finishes like mill finished, polished, hairline, or pickling surfaces.
EMHK is a specialized factory producing high-quality stainless steel flat bars. Over the years, we’ve consistently delivered products that meet customer expectations in terms of appearance, size, and performance. Stainless steel flat bars are commonly used in construction projects for bridges, house frames, fences, power transmission, ships, and vehicles.
The raw materials for these bars are low-carbon square billets, and they are available in hot-rolled or cold-rolled forms. When placing an order, it’s important to include the width, thickness, and any special processing needs, such as annealing or solid solution, in the contract.
If you are looking to purchase stainless steel flat bars, feel free to contact us. We are dedicated to meeting your needs and look forward to working with you!
Stainless steel flat bar is a rectangular piece of steel with smooth edges, available in different finishes like cold-drawn polished or hot-rolled sandblasted. It can be used as a semi-finished product or a component in various construction projects.
Stainless steel flat bars are versatile and can bear loads or connect different structural elements. They are widely used in buildings, bridges, power transmission towers, machinery, ships, industrial equipment, storage racks, and more. In construction, they serve as parts of bridges, house frames, fences, power transmission structures, vehicles, and more.
The raw material used to make these flat bars is low-carbon square steel billets. The bars can be delivered in hot-rolled or cold-rolled form. When placing an order, the dimensions such as width and thickness should be clearly specified in the contract, along with any processing requirements like annealing or solid solution treatment.
There are two main types of stainless steel flat bars: equal-sided and unequal-sided. Equal-sided bars are also known as square steel. Specifications are listed by the size of the side length and thickness, typically ranging from 3mm x 20mm to 150mm domestically.
Orders for stainless steel flat bars, especially for export, are typically based on the required specifications, with the steel grade corresponding to the carbon steel grade. The delivery length can vary, with domestic bars usually measuring between 3-9m or 4-12m, and Japanese standards ranging from 6-15m.
Stainless steel flat bars must meet specific quality standards, ensuring they are free from defects like delamination, scarring, and cracks. The standards also specify the allowable tolerances for things like curvature, width, thickness, and torsion.
Weight Calculation: To calculate the weight of a stainless steel flat bar, use the formula:
Weight per meter (kg) = 0.00793 × width (mm) × thickness (mm)
Key Terms:
SS 316L, 310S, 304, 201, 202 Grade Stainless Steel; bright and black flat bar; hot-rolled and cold-drawn options; pickling flat bar; hairline stainless steel flat bar; square bar; flat bar supplier and manufacturer in China.
Details:
| Commodity | Stainless Steel bright round / flat Bar |
| Materials | 200/300 /400Series |
| Standard | ASTM,AISI,DIN,EN,GB,JIS |
| diameter | 6mm-250mm |
| Length | as per customers’ requirement |
| Surface | Polished ,satin, mirror, hairline, pickling ect |
| Polish | HR annealed & pickled, HR &Round turned, centerless ground & polish, cold drawn& polished, Soomth tured & polished |
| Inspections | MTC (chemical composition, Mechanical Property), SGS, The Third Party ,BV |
| Samples | Available, 2 days |
| MOQ | 500kgs |
| Certifications | ISO9001,SGS |
| Packing | Seaworthy wooden pallet or according to client’s requirement |
| Advantage | Showing the splendor of your quality ; Wearresistant as well ; Strong corrosion resistance and decorative effect ; Durable and beautiful in good taste . |
Chemical composition:
Chemical composition | Element | 201 | 202 | 304 | 316 | S31803 | S32750 | |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.030 | ≤0.030 | ||
Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤0.80 | ||
Mn | 5.5-7.5 | 7.5-10.0 | ≤2.00 | ≤2.00 | ≤2.00 | ≤1.20 | ||
P | ≤0.060 | ≤0.060 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.035 | ||
S | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.020 | ≤0.020 | ||
Cr | 16-18 | 17-19 | 18-20 | 16-18 | 21-23 | 21-23 | ||
Ni | 3.5-5.5 | 4.0-6.0 | 42958 | 43022 | 4.5-6.5 | 6.0-8.0 | ||
Mo | 2.0-3.0 | 2.5-3.5 | 3.0-5.0 | |||||
N | ≤0.25 | ≤0.25 | 0.08-0.2 | 0.24-0.32 | ||||
Cu | ≤0.50 | |||||||
Mechanical properties | Material Item | 201 | 202 | 304 | 316 | S31803 | S32750 | |
Tensile Strength (MPa) | ≥655 | ≥620 | ≥515 | ≥515 | ≥620 | ≥800 | ||
Yield Strength (MPa) | ≥260 | ≥310 | ≥205 | ≥205 | ≥450 | ≥550 | ||
Elongation (%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥25 | ≥15 | ||
Hardness (HV) | ≤230 | ≤230 | ≤200 | ≤200 | ≤303 | ≤323 | ||
Application: Architectural/Civil Engineering: Cladding, handrails, door and window fittings, street furniture, structural sections, enforcement bar, lighting columns, lintels, masonry supports.
Transport: Exhaust systems, car trim/grilles, road tankers, ship containers, ships chemical tankers, refuse vehicles.
Chemical/Pharmaceutical: Pressure vessels, process piping.
Oil and gas: Platform accommodation, cable trays, sub-sea pipelines.
Medical: Surgical instruments, surgical implants, food processing.
Food and Drink: Catering equipment, brewing, distilling, food processing.
Water: Water and sewage treatment, water tubing, hot water tanks.
,: Springs, fasteners(bolts, nuts and washers) wire.
Stainless Steel Flat bar, is the most economical stainless flat shape that’s ideal for all applications where strength and superior corrosion resistance is required. 304 Stainless Flat has a durable dull, grainy mill finish and is widely used for all types of fabrication projects that are exposed to the elements. Stainless Flats 1/2″ thickness and under are sheared and edged, thicker sizes are a true bar. True bar is available on request for thinner sizes. Notice: 1/16″ strip flats are sheared from sheet and may have some curvature or twist.
Specifications: ASTM A276, QQS-763, T304/304L, non-polished finish, 1/8″ to 1/2″ thick is sheared & edged, over 1/2″ thick is True Bar (squared edge).
AKA: stainless strip, stainless bar, stainless rectangle
Applications: frame work, braces, supports, plates, marine, food, etc.
Workability: Easy to Weld, Moderate Cutting, Forming and Machining.
Mechanical Properties: Brinell = 170, Tensile = 85,000 +/-,
Yield = 34,000 +/-, Nonmagnetic
How is it Measured? Thickness (A) X Width (B) X Length
Available Stock Sizes: 2ft, 4ft, 6ft, 8ft, 12ft, or Cut to Size
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