Description

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Our stainless steel bar manufacturing division produces a wide range of products including round bars, angles, and flats in various sizes. Stainless steel bright bars are available in sizes ranging from 3 mm to 600 mm in diameter. Our Stainless Steel Bright Bars have a mirror-like bright surface and the internal structure is checked by ultrasonic testers and eddy current testers in the quality control department to ensure quality internal structure and surface.

Product Parameter (Specification)

Stainless Steel Grades：

AISI 201, 202

AISI 301, 302, 303, 304, 304L, 310, 310S, 316, 316L, 316Ti, 321

AISI 410, 430, 431

Condition	Cold Drawn & Polished	Peeled & Polished	Peeled (Rough Turned)
Grades	201, 202, 304, 304L, 310,316, 316L, 321, 410, 431, 430F & others		304, 304L, 316, 316L, 431
Diameter (Size)	2mm to 5mm	6mm to 140mm	25mm to 140mm
Diameter Tolerance	h9 (Din 671), h11 ATSM A484	h11	k12/k13 (Din 1013)
Length	3/4/5.6/6 meter	3/4/5.6/6 meter	3/4/5.6/6 meter
Length Tolerance	-0/+200mm or +100mm or +50mm	-0/+200mm or +100mm or +50mm	-0/+100mm or 500mm

Products description:

Product information	parameter	Product intormation	Parameter
Product name	Stainless steel round bar	Standard	ASTM, JIS, DIN, EN
Length	Customised to customer requirements	Certification	ISO, SGS
Grade-ASTM	201, 202, 304, 304L, 310, 310S, 316, 316L, 321, 410, 431, 430F, 904L & other	Price term	FOB
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

Our Stainless Steel Bright Bars are widely used in industries such as automotive, motors, railway, shaft making, biotechnology and pharmaceuticals, decoration and furniture, fittings, bearings, hinges and gears, oil and mining. Bright bars are used as raw material in industries such as automotive and shipbuilding as well as finished products in businesses such as interior decoration companies and shopping malls. Stainless steel round steel application prospects, is widely used in hardware kitchenware, shipbuilding, petrochemicals, machinery, medicine, food, electricity, energy, aerospace, etc., building decoration. Equipment used in seawater, chemical, dye, paper, oxalic acid, fertiliser and other production equipment; photographic, food industry, coastal area facilities, ropes, CD rods, bolts, nuts.

Mainly sold materials' feature:

1).310S stainless steel round steel

Properties: 310S stainless steel is austenitic chromium-nickel stainless steel has very good resistance to oxidation, corrosion resistance, because of the higher percentage of chromium and nickel, 310S has much better creep strength, can continue to work at high temperatures, has good high temperature resistance.

2).316L stainless steel round steel

Characteristics:Cold rolled products have good glossy and beautiful appearance;

Due to the addition of Mo, corrosion resistance, especially pitting resistance is excellent;

excellent high temperature strength.

excellent work hardening (weak magnetism after processing)

solid solution state non-magnetic;

3).316 stainless steel round steel

Characteristics: 316 stainless steel is after 304, the second most widely used steel, mainly used in the food industry and surgical equipment, due to the addition of Mo, so its corrosion resistance, atmospheric corrosion resistance and high temperature strength is particularly good, can be used in harsh conditions; work hardening excellent (non-magnetic).

4).321 stainless steel round steel

Characteristics: Ti element added to 304 steel to prevent grain boundary corrosion, suitable for 430 ℃ -900 ℃ temperature. In addition to the addition of titanium elements to reduce the risk of material weld corrosion, other properties similar to 304

5).304L stainless steel round

Properties: 304L stainless steel round steel is a lower carbon content of 304 stainless steel variant, used for occasions requiring welding. The lower carbon content allows the precipitation of carbides in the heat-affected zone near the weld to be minimised, and the precipitation of carbides may lead to intergranular corrosion of stainless steel in some environments (weld erosion).

6).304 stainless steel round steel

Characteristics: 304 stainless steel is one of the most widely used chromium - nickel stainless steel, with good corrosion resistance, heat resistance, low temperature strength and mechanical properties. Corrosion resistance in the atmosphere, if the industrial atmosphere or heavily polluted areas, it is necessary to clean in time to avoid corrosion.

Production Details

Stainless steel bright round bars are precision-engineered products with a smooth, polished surface finish, widely used in applications requiring tight tolerances, corrosion resistance, and aesthetic appeal. Below is a detailed breakdown of their production process, quality control, and technical specifications.

FAQ

Q: How to choose the right stainless steel round bar?

A: High corrosion resistance → Choose 316 or duplex steel.
Need high hardness → choose 420/440C.
Limited budget → choose 304 or 430.
Precision machining → choose cold rolled bright bars (h6/h7 tolerance).

Q: What is the lead time for customised stainless steel round bar?

A: Regular size: 3~7 days (when stock is sufficient).
Special size: 2~4 weeks (to be determined according to the processing difficulty and order quantity).

Q: How to identify the authenticity of stainless steel round bar?

A: Magnetic test: austenitic stainless steel (304/316) is non-magnetic (may have weak magnetism after cold working).
Potion test: use stainless steel identification liquid, according to the discolouration reaction to determine the material.
Spectral analysis: the most accurate method to detect whether the composition meets the standard.

Q: Can stainless steel round bar replace titanium alloy?

A: Yes in some scenarios (e.g. corrosion resistance, general strength needs), but titanium alloys are lighter and stronger and are suitable for specialised areas such as aviation and high-end medical care.