300 series of stainless steel are used widely, most of them have a strength of corrosion resistance, heat resistance and a good chemical performance.
Chemical composition
| Grade |
C |
Si |
n |
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 |
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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