Applications of Stainless Steel Alloy 303
Grade 303 stainless steel is used in applications that require parts to be heavily machined. These applications include:
- Nuts and bolts
- Screws
- Gears
- Aircraft fittings
- Bushings
- Shafts
Active Member
|
[China]
Address: No 1288 Guangrui Road , Liangxi district , WUXI City , Jiangsu province ,P.R,CHINA.
Contact name:Lucy
Wuxi Zhongxin Special Steel Co.，Ltd |
|
|
Stainless steel type 1.4305 is popularly known as grade 303
stainless steel. Grade 303 stainless
steel is the most readily machineable of all the austenitic grades
of stainless steel
Alloy 303 alloy is a free-machining stainless steel specifically designed to exhibit improved machinability. It is a non-magnetic austenitic stainless steel which is not hardenable by heat treatment. Sulfur is added to produce the free-machining characteristics. The good mechanical and corrosion-resistant properties of the lower-sulfur grade are retained to the extent possible.
Coil , Sheet, plate , Strip .wire ,- Profile, Round, Flat, Square
Specififcation:
303 alloy
Coil ,strip ,Wire, AMS 5640, ASTM A 314, ASTM A 581, ASTM A 582, QQ-S-764
Some other major specification at a glance
| ASTM | JIS | AISI | EN | |
| Grade | S30100 | SUS301 | 301 | 1.431 |
| S30400 | SUS304 | 304 | 1.4301 | |
| S30403 | - | 304L | 1.4307 | |
| S31008 | SUS310S | 310S | 1.4845 | |
| S31603 | - | 316L | 1.4404 | |
| S32100 | SUS321 | 321 | 1.4541 | |
| S41008 | SUS410S | 410S | - | |
| S43000 | SUS430 | 430 | 1.4016 | |
| S43932 | - | - | 1.451 | |
| S44400 | SUS444 | 444 | 1.4521 | |
| S44500 | SUS430J1L | - | - |
Dimension Ranges:
Width | Thickness | Inner Diameter | Steel Grade | Surface Finish |
| 610~2030 mm | 0.15~3.0 mm | 610 or 508 +0/-5 mm | 201; 254 SMO; 301; 301 AL; 301Si; 302; 303; 303 SE; 304; 304 L; 304 LV; 304 V; 3049; 305;30512; 308; 309; 309 S; 309 SCB; 310; 310 S; 316; 316 L; 316 LN; 316 Ti; 317; 317 L; 321; 330; 347; 384; 405; 409; 410; 410 S; 414;416; 416 SE; 420; 420 A; 420 HC; 420 LC; 420 MO; 430; 430Li; 434; 436; 439; 440 A; 440 C; 441; 442; 444; 446; 18 SR1;Carpenter 20,CB32; Carpenter 4552; Custom 450; 18-9LW1; 19-90L4; Greek Ascology;; AL-6XN4; 904L; Duplex 2205; Duplex 2304; Duplex 2507,Nickel alloys , Titanium and Ti alloys | 2B, 2D, BA, No.3, No.4, No.5, SB, HL |
| 610~2030 mm | 2.5mm~10 mm | 610 or 508 +0/-5 mm | No.1 or As requied |
Striping processing, commonly known as “slitting “, refers to the winding of a metal coil by unwinding, slitting, leveling, winding, and processing into a desired width. Slitting processing is a basic metal processing technology that combines high-quality equipment with skilled craftsmanship. it can be obtained with strict tolerance, perfect surface control , safe packaging as well as fine transportation.
Applications of Stainless Steel Alloy 303
Grade 303 stainless steel is used in applications that require parts to be heavily machined. These applications include:
Chemical Composition of Stainless Steels
| % | 303 |
| C | 0-0.10 |
| Mn | 0-2.0 |
| Si | 0-1.0 |
| P | 0-0.4 |
| S | 0-0.15 |
| Cr | 17-19 |
| Ni | 8-10 |
| Fe | balance |
| Grade | 303 |
| Tensile Strength (MPa) | 500-750 MPa |
| Proof Stress (MPa) | 190 Min MPa |
| Elongation A5 mm | 35 Min % |
| Hardness Brinell | 230 Max HB |
Physical Properties of Stainless Steel Alloy 303
| Property | Value |
| Density | 8.03 kg/m3 |
| Melting Point | 1455°C |
| Modulus of Elasticity | 193 GPa |
| Electrical Resistivity | 0.72 x 10-6 Ω.m |
| Thermal Conductivity | 16.3 W/m.K |
| Thermal Expansion | 17.3 x 10-6/K |
Stainless steel grade 303 also corresponds to the following standard designations and specifications:
| Euronorm | UNS | BS | En | Grade |
| 1.4305 | S30300 | 303S31 | 58M | 303 |
Packaging (details)
1. Pallets with several coils
1.1 Coils packed eye to sky on one-way pallet with spacers without
pallet cover.
1.2 Coils packed eye to sky on one-way pallet with spacers and
covered with shrink-wrap.
1.3 Coils packed eye to sky on one-way pallet with spacers and
covered with paper hood.
1.4 Coils packed eye to sky on one-way pallet with spacers and
covered with wooden box.
1.5 Coils packed eye to sky on pallet with spacers without
cover.
1.6 Coils packed eye to sky on pallet with spacers and shrink
wrap.
1.7 Coils packed eye to sky on pallet with spacers and paper
hood.
2. Pallet with single coil
2.1 Coil packed eye to sky on one-way-pallet without cover.
2.2 Coil packed eye to sky on one-way-pallet with shrink wrap.
2.3 Coil packed eye to sky on one-way-pallet with paper hood.
2.4 Coil packed eye to sky on one-way-pallet with wooden box.
2.5 Coil packed eye to sky on pallet without cover.
2.6 Coil packed eye to sky on pallet with shrink wrap.
2.7 Coil packed eye to sky on pallet with paper hood.
3. Pallets with multistrip
3.1 Multistrip on one-way pallet.
4. Coils standing, unpacked
5. Pallets with spools, standing with horizontal axe
5.1 Wooden spool on one-way pallet standing with horizontal (eye to
the wall) axe.
5.2 Cardboard spool (cardboard core and cardboard sheet) on one-way
pallet standing (eye to the wall).
6. Cut lengths
6.1 Bundled.
6.2 On wooden boards.
6.3 In wooden boxes.
7. Special customer requests for packaging
7.1 Weight per packing unit.
7.2 Design and size of pallet.
7.3 Number and kind of coil tying.
7.4 Number and kind of interleaving spacer strips.
7.5 Corrosion protection.
7.6 Kind of wood and wood protection used.
7.7 Marking of material and packing.
FAQ
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free . Freight charge collect
Q: What information should i provide to source for the right products ?
A: Material grade, width, thickness, coating and Purchase quantity , Expected lead time ,etc
Q: What are the shipping ports?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you
can choose other ports according to your needs.
Q: About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q: How long does your delivery time take?
A:In general, our delivery time is within 5-45 days, and may be delayed if the demand is extremely
large or special circumstances occur.
Q: Can I visit your location?
A: Of course, we welcome customers from all over the world to visit our factory. However, some
of the plants are not open to the public.
Q: Does the product have quality inspection before loading?
A: Of course, all our products are strictly tested for quality before packaging, and unqualified
products will be destroyed.
Q: How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation
wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q: What is your working time?
A: In general, our online service time is Beijing time: 8:00-22:00, after 22:00,
we will reply to your inquiry during the next working day.
