Common types of 300 series stainless steel sheet
| Grade |
Application |
| 301 |
High strength grade, with resistance to atmosphere corrosion. Its bright, attractive surface make it an excellent choice for decorative structural applications. |
| 304 |
Used for a wide variety of home and commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Common applications include Sanitary, Cryogenic, and Pressure-containing applications, Home and commercial appliances, Tank structural parts and processing equipment |
| 309 |
Used for elevated temperature applications, including Furnace parts - conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, baskets and trays to hold small parts; Containers for hot concentrated acids, ammonia and sulfur dioxide; contact with hot acetic and citric acid. |
| 310/S |
Corrosion resistant, including furnace parts such as conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, and baskets and trays to hold small parts. Chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide and in the food processing industry, they are used in contact with hot acetic and citric acid |
| 316 |
Used for elevated temperature applications, including handling hot organic and fatty acids, boat rails and hardware and facades of buildings near the ocean |
| 321 |
A stabilized stainless steel which offers excellent resistance to corrosion following exposure to temperature between 800-1500 Deg F. Applications include Boiler and Pressure Vessels |
Chemical Composition
| Grade |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
Ni |
Other |
| 301 |
≤0.15 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
- |
6.0 |
- |
| 304 |
≤0.07 |
≤1.00 |
≤2.00 |
0.035 |
0.03 |
17-19 |
- |
8.0 |
- |
| 304L |
≤0.075 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
8.0 |
|
| 309S |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
22-24 |
- |
12.0 |
- |
| 310 |
≤0.08 |
≤1.5 |
≤2.00 |
0.045 |
0.03 |
24-26 |
- |
19.0 |
- |
| 316 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18.5 |
2 |
10.0 |
- |
| 316L |
≤0.03 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
2 |
10.0 |
- |
| 321 |
≤0.12 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
9.0 |
Ti≥5×C |
Mechanical Properties
| Grade |
YS(Mpa) ≥ |
TS (Mpa) ≥ |
El (%) ≥ |
Hardness(HV) ≤ |
| 301 |
200 |
520 |
40 |
180 |
| 304 |
200 |
520 |
50 |
165-175 |
| 304L |
175 |
480 |
50 |
180 |
| 309S |
200 |
520 |
40 |
180 |
| 310 |
200 |
520 |
40 |
180 |
| 316 |
200 |
520 |
50 |
180 |
| 316L |
200 |
480 |
50 |
180 |
| 321 |
200 |
520 |
40 |
180 |
Specification
| Grade |
301,304,304l,321,316,316l,309s,310 |
| Thickness |
Cold rolled:0.2-3.0mm Hot rolled:3.0-60mm |
| Length |
As customer's requirement |
| Surface Finish |
2B,2D,BA,NO4, Hair Line,6K, etc |
| Manufacture Technology |
Cold rolled/ Hot rolled |
| Material |
DDQ, High Copper, Half Copper or Low Copper Material |
| Standard |
JIS, ASTM, AISI, GB, DIN, EN, etc we usually use ASTM and GB Standard |
Surface Treatment
| Name |
Feature |
Specification |
| 2B |
Bright |
After cold rolling ,by heat treatment ,pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. |
| BA |
Polishing ,mirror |
Processed with bright heat treatment after cold rolling |
| Hairline |
Line like hair |
Hair grain grinding by appropriate particle size of material |
| 6K/8K |
Mirror, brighter than BA |
Very bright, grinding and polishing surface by 1000# strop grain of abrasive belt |
Application
Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields. Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields.
Company Information
Bozhong Group Mainly supply in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality. The products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection, offshore, chemical, oil & gas, ilitary, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture, etc.
Bozhong Group can supply a variety of structural steel, high-strength steel, wear-resistant steel plate, boiler and pressure vessel steel, marine engineering and stainless steel plate in the thick steel and various European standard bars and pipes and profiles.Our global sales and service network throughout all around the world to ensure that the goods reach the customer in the shortest time.
We can follow your drawings and requirements, to provide you with oxygen cutting, plasma cutting and laser cutting and other processing services. You can also perform ultrasonic testing in accordance with EN10160 standard, EN10164 standard test Z15, Z25, Z35, weld bending detection, PWHT detection,etc.
We have ISO9001: 2000 quality management system certification, and obtain the quality certification from all the well-known certification company, including TuV / LRS / GL / CE and so on.
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