Shanghai Bozhong Metal Group Co., Ltd.
To sell metal from the world while the world buy metal from Bozhong
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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 |
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 |
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.
