Description

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Polished stainless steel flat steel is a precision processed high-performance metal materials, with high-quality stainless steel (such as 304, 316, etc.) as the base material, through the cold rolling, cutting and surface polishing process. Its cross-section is flat and rectangular, both the corrosion resistance of stainless steel and polished high finish, widely used in building decoration, industrial equipment, food processing, medical equipment and other fields, is the ideal choice for modern industry and high-end decoration.

Product Parameter (Specification)

Products description:

Product information	Parameter	Product intormation	Parameter
Product name	Stainless steel flat bar	Standard	ASTM, JIS, DIN, EN
Length	Customised to customer requirements	Certification	ISO, SGS
Grade-ASTM	201, 202, 302, 304, 304L, 310, 310S, 316, 316L, 321, 410, 431, 430F, 904L & other	Price term	FOB,CIF
Technique	Cold rolled hot rolled	Payment terms	T/T L/C
Packaging and delivery
Note : bundle, plastic bags, thin film, wooden pallet, standard seaworthy export packing or as customer demands

Product Feature and Application

Construction and Decoration

Indoor and outdoor decoration: used for stair handrails, door and window frames, curtain wall supports, skirting, etc., both functional and aesthetic.

Public facilities: decorative components or signboard bases in underground stations, airports, shopping malls and other places.

Furniture manufacturing

Modern furniture: as table legs, cabinet frames, shelves and other structural components to enhance the modernity and durability of the product.

Kitchen and bathroom products: such as sink brackets and bathroom accessories, which are resistant to moisture and easy to clean.

Industrial equipment

Mechanical components: used in the manufacture of conveyor rails, equipment brackets, etc., need to be corrosion-resistant or hygiene requirements of the scene.

Food/Pharmaceutical equipment: meets hygiene standards, used for conveyor belts, workbench frames, etc.

Transport

Ship/Automobile: Ship interiors, automobile decorative strips or structural parts to resist salt spray corrosion.

Railway: car interior decoration or handrail support.

Electronic products

Precision components: electronic equipment housings, heat sinks, etc., to take advantage of their conductivity and polished appearance.

Energy and Chemical

Petrochemical equipment: Resistant to acid and alkali environments, used for pipeline support or components inside reactors.

New energy: solar energy bracket, battery module border.

Medical field

Surgical instruments, medical bed frames, etc., need to be sterile and resistant to chemical disinfectants.

Other fields

Artwork/sculpture: polished surface suitable for creating modern style works.

Food processing: workbenches, shelves, in line with food safety requirements..

Production Details

Product specifications and forms

Item	Parameter range	Description
Material grade	304 (06Cr19Ni10)	Conformity standard: GB/T 1220-2007 (national standard), ASTM A240/A240M (American standard).
Cross-section shape	Rectangle	Thickness and width of the combination of different specifications, edges can be right-angled or rounded processing
Thickness (mm)	3 ~ 20	Common thickness: 3, 5, 6, 8, 10, 12, 15, 20 (can be customised non-standard size)
Width (mm)	20 ~ 200	Common width: 20, 30, 40, 50, 60, 80, 100, 120, 150, 200 (on request)
Length (m)	1 ~ 6	Commonly specified size is 6 metres, support section cutting or special length customisation
Surface condition	2B, BA, No.4, brushed, sandblasted, etc.	2B (cold rolled bright), BA (mirror), No.4 (brushed) is commonly used in industry, and the decorative scene can be polished or colour-plated treatment.

FAQ

Q: What materials are available in polished stainless steel flat steel?

A: Common materials include 304 (18-8 stainless steel), 316 (contains molybdenum for greater corrosion resistance), and 430 (economical, slightly less corrosion resistant).
For food grade applications, 304 or 316 is commonly used.

Q: What are the grades of surface finish?

A: Mirror polished (BA/8K): high reflectivity, used for high-end decoration.
Brushed polishing (HL/No.4): matte texture, anti-fingerprint, suitable for furniture and electrical appliances.
Ordinary polishing (No.2B): basic bright surface, suitable for general industrial use.

Q: How is the corrosion resistance of polished stainless steel flat steel?

A: 304: Resistant to general atmosphere, water, weak acid and alkali environment.
316: Resistant to seawater, chemicals, suitable for coastal or chemical environments.
430: resistant to weak corrosive environments, but long-term moisture may rust.

Q: How to clean and maintain polished stainless steel flat bar?

A: Daily cleaning: Use neutral cleaner (such as detergent) + soft cloth to wipe, avoid steel wire ball scratching.
Stubborn stains: special stainless steel cleaner or alcohol wipe.
Anti-fingerprint: brushed surface is more resistant to dirt, mirror surface can be coated with anti-fingerprint oil.

Q: Will polished stainless steel flat steel rust?

A: It is not easy to rust under correct use, but the following conditions may lead to rusting:
Long-term exposure to salt spray, strong acid/alkali.
Surface contaminated by carbon steel, such as iron residue.
Mechanical damage destroys the passivation film.

Q: How to prevent scratches on polished stainless steel flat bars?

A: Use protective film when transporting and installing.
Avoid friction with hard objects and inspect the surface regularly.
Brushed surfaces are more resistant to minor scratches than mirror surfaces.

Q: What are the common thickness and width of polished stainless steel flat bar?

A: Thickness: 1mm~20mm, common 3mm, 5mm, 10mm.
Width: 10mm~200mm, can be customised according to requirements.

Q: How to distinguish between 304 and 316 stainless steel?

A: Chemical test: 316 contains molybdenum (Mo), 304 does not.
Magnetic test: 304/316 is weakly magnetic, may be enhanced after cold working, 430 is magnetic.
Salt spray test: 316 corrosion resistance is significantly better than 304.

Q: Can polished stainless steel flat steel be welded?

A: Can be welded, but need to be careful:
Use stainless steel special welding rod, such as 308L, 316L.
After welding, need to re-polish, to avoid weld discolouration.

Q: What are the price factors for polished stainless steel flat bar?

A: Material: 316 > 304 > 430.
Surface Finish: Mirror > Brushed > Plain Polished.
Size: The thicker/wider, the higher the cost.
Customised requirements: special sizes or batches affect the price.

Q: Can polished stainless steel flat steel replace ordinary carbon steel?

A: Yes, but it needs to be considered:
Advantages: corrosion resistance, aesthetics, long life.
Disadvantages: Higher cost, slightly lower strength than alloy steel.

Q: How to buy the right polished stainless steel flat steel?

A: Define the purpose: decorative, industrial, food grade
Environmental requirements: whether the need for acid and alkali resistance, salt spray resistance
Budget: 304 cost-effective, 316 suitable for harsh environments.