Shandong Jeno Steel Group Co., Ltd.
Stainless Steel 321/321H Sheets Plates
Classification :
Keywords: Handheld refractometer
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Product information
Alloy 321 (UNS S32100) is stabilized stainless steel plate which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). Alloy 321 stainless steel plate is stabilized against chromium carbide formation by the addition of titanium.
Alloy 321 stainless steel plate is also advantageous for high temperature service because of its good mechanical properties. Alloy 321 stainless steel plate offers higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns.
Range of Stainless Steel Sheet
| Material | Size | Thickness | Specification |
| Stainless Steel Sheet | 1000 mm x 2000 mm, 1220 mm x 2440 mm (4′ x 8′), 1250 mm x 2500 mm, 1500 mm x 3000 To 6000 mm, 2000 mm x 4000 To 6000 mm |
0.3 mm To 120 mm | A-240 |
Technical data
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | – | 1.4878 | X6CrNiTi18-10 | – | SUS 321H |
Type 321 Stainless Steel is covered by the following specifications:AMS 5510, ASTM A240.
Chemical Composition: ASTM A240
| Element | Type 321 |
| Carbon | 0.08 max. |
| Manganese | 2.00 max. |
| Sulfur | 0.030 max. |
| Phosphorus | 0.045 max. |
| Silicon | 0.75 max. |
| Chromium | 17.00 – 19.00 |
| Nickel | 9.00 – 12.00 |
| Titanium | 5x(C+N) min. – 0.70 max. |
| Nitrogen | 0.10 max. |
Mechanical Properties:
| Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2" Gauge length) | Hardness Rockwell |
| 321 | 30 min. | 75 min. | 40 min. | HRB 95 max. |
Formability
Type 321 can be readily formed and drawn, however, higher pressures are required and more springback is encountered than for carbon steel and ferritic stainless steels. Like other austenitic stainless steels,Type 321 work hardens quickly and may require annealing after severe forming.The presence of certain alloying elements can make Type 321 more difficult to form than other austenitic grades such as 301, 304 and 305.
Heat Treatment
Type 321 is non-hardenable by heat treatment.Annealing: Heat to 1750 – 2050 °F (954 – 1121°C), then water quench or air cool.
Weldability
The austenitic class of stainless steels is generally considered to be weldable by the common fusion and resistance techniques. Special consideration is required to avoid weld ”hot cracking” by assuring formation of ferrite in the weld deposit. This particular alloy is generally considered to have comparable weldability to Types 304 and 304L. A major difference is the titanium addition that reduces or prevents carbide precipitation during welding. When a weld filler is needed, either AWS E/ER 347 or E/ER 321 is most often specified.Type 321 is well known in reference literature and more information can be obtained in this way.
Warehouse storage
Shandong Jienuo Metal Products Co., Ltd. has a registered capital of 250 million yuan, more than 635 employees, 100 million yuan of property/plant equipment, covering an area of more than 300 acres, and has passed the international quality management system, energy management system, occupational health and safety management system and other standards. The company has advanced production equipment, superb technical force, excellent management and technical personnel, and strong financial strength to provide a strong guarantee for the production of high-quality, sophisticated and cutting-edge products.
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The company has ISO9001 certification, EU CE10219 system certification, and Swiss SGS quality standard certification. In the future, the company will be a comprehensive modern enterprise featuring international trade and modern logistics as its development direction. Work together to make unremitting efforts for the green future of the steel industry in China and the world.
Application field
Widely used in prefabricated steel structure buildings, glass curtain wall engineering, steel structure engineering, large venues, airport construction, highways, roads, decorative guardrails, tower crane manufacturing, photovoltaic projects, greenhouse agricultural shanty buildings, bridge manufacturing, ships, automobile manufacturing, machinery In many fields such as manufacturing, it has been well received in major construction projects.
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