AISI304 316 Stainless Steel Outdoor Handrail Railing Ball/China Factory Price

   Foshan Dongyuan Trading Co., Ltd. is a company dealing with a variety of products, whose major products are stainless steel and related accessories such as stainless steel valves, sculptures of all kinds of shapes as well as spheres covering many sizes. Having been in this trade for 4 years, we have succeeded in satisfying our clients and customers throughout the world for our products are of excellence and superiority. Customers’ needs are always our priority. Please rest assured that once we start meeting your requirements on any possible products we could come up with, no worries will incur about the quality, prices and all sales services. We are accountable and obligated for our customers’ comfort in terms of product quality, service and after-sales.

High strength, excellent corrosion resistance and excellent formability make

Types 304 and 304L Stainless Steels useful for many applications. Typical uses

include architectural moldings and trim, kitchen equipment, as well as chemical,

textile, paper, pharmaceutical and chemical industry processing equipment.

For severely corrosive environments or when welding is required, Type 304L

is preferred because of its greater immunity to intergranular corrosion.

316 used in iatrical instruments, chemical industry, avigation, scent bottle, sprayer, valve, nail polish, mobile phone fittings. Austenitic. The best steel ball in the steel ball area, HRC ≤ 26. Better than 304. Can be used in personal decoration.

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Corrosion Resistance

Excellent in a wide range of atmospheric environments and many corrosive media. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 200mg/L chlorides at ambient temperatures, reducing to about 150mg/L at 60°C.

Heat Resistance

Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 304 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 304L is more resistant to carbide precipitation and can be heated into the above temperature range.

Table 1. Composition ranges for 316 grade of stainless steels.

Table 2. Mechanical properties of 316 grade stainless steels.

TABLE1- TYPICAL ROOM TEMPERATURE MECHANICAL PROPERTIES