6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
6m 303 Stainless Steel Hex Bar Stock Bright Surface For Construction
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 6m 303 stainless steel hex bar stock bright surface for construction in China. If you're going to wholesale high quality 6m 303 stainless steel hex bar stock bright surface for construction made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Product Description:
| Product Name | stainless steel hexagon bar |
| Standard | JIS, AISI, ASTM, GB, DIN |
| Size | Diameter : S6-S65mm or as request |
| Length | Normal long 4M, Or as your request |
| Surface | Bright ,hairline finsh |
| Technics | cold drawn and polishing |
| Application | construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields ,etc. |
| Packing | Export standard or as customers' requirement |
| Delivery time | Within 15 working days, according to customers' quantities |
| Payment | L/C or T/T |
| MQQ | 1 Ton |
| Quality | High Quality.SGS inspection is accepted if needed |
| Productivity | 500 Tons/Month |
| Attention | We will supply you good quality and bottom price and first-class service in china and hope to be your golden supplier |
GENERAL PROPERTIES
Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Alloy 303 was specially designed to exhibit improved machinability while maintaining good mechanical and corrosion resistant properties Due to the presence of sulfur in the steel composition, Alloy 303 is the most readily machineable austenitic stainless steel; however, the sulfur addition does lower Alloy 303's corrosion resistance to below that of Alloy 304. Like other austenitic grades, Alloy 303 demonstrates excellent toughness, although the sulfur does reduce this a little as well.
APPLICATIONS
Alloy 303 is frequently used in applications that require parts to be heavily machined. Some examples include:
Nuts and bolts
Aircraft fittings
Gears
Screws
Shafts
Electrical switchgear components
Bushings
STANDARDS – ALLOY 303
ASTM/ASME ……………. UNS S30300
EURONORM ……………. FeMi35Cr20Cu4Mo2
DIN ………………………… 2.4660
CORROSION RESISTANCE
Good resistance to mildly corrosive atmospheres, but significantly less than Alloy 304
When additional sulfur is added to improve machinability, it can often slightly reduce corrosion resistance
In most dry and mild corrosive environments, Alloy 303 is comparable to other unmodified alloys
Should not be exposed to moist, marine environments as it is subject to rapid-pitting corrosion and a rust film will tend to form
Like other common austenitic stainless steels, it is subject to corrosion cracking in chloride environments above 60oC
HEAT RESISTANCE
Good oxidation resistance at temperatures up to 1700oF (927 oC)
Continuous use at temperatures above 1400oF (760oC) is not usually recommended due to carbide precipitation which can lead to irregular scaling
Does not have a low carbon content so it is also vulnerable to sensitisation
Chemical Properties:
| % | Cr | Ni | C | Si | Mn | P | S | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 303 | min: 17.0 max:19.0 |
min: 8.0 max: 10.0 |
0.15 max |
1.00 max |
2.0 max |
0.20 max |
0.15 min | 0.75 | balance |
Mechanical Properties:
| Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 303 | 75 | 30 | 35 | 228 |
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