Description
ASTM A240 Stainless Steel 321 / 321H Sheets & Plates Supplier & Exporter, 321 Stainless Steel Plate, 321 Stainless Steel Sheet, 321 Stainless Sheet, 321 Stainless Plate Suppliers.
SS 321 Cold Rolled (CR) Plates, SS 321 Plates Stockists in Mumbai, ASME SA 240 SS 321 Plate, Stainless Steel 321 Hot Rolled (HR) Plate, SS 321 Plate Supplier in India.
Sunrise Steels is a worldwide and Indian distributor and supplier of stainless steel 321-321h sheets and plates. We use top-grade raw materials to make stainless steel sheets and plates in unique designs. Our team comprises proficient professionals who adhere to suitable work procedures and provide top-notch products with respect to functionality, dependability, and durability. We provide a large selection of sheets and plates in different shapes and sizes. At every stage of manufacture, these items are put through a battery of testing.
Difference Between 321 and 321H Stainless Steel Sheet?
The stainless steel sheets 321 and 321H have varying degrees of strength and resistance to corrosion. Stainless steel 321 is a non-heat treatable kind that is commonly utilized in applications where toughness and weldability are essential. Conversely, 321H stainless steel has been heat-treated to increase its strength at higher temperatures and to improve its formability. It is frequently utilized in more demanding settings where its capacity to tolerate high temperatures makes it the material of choice. In the end, the requirements of the application—including those related to temperature, strength, corrosion resistance, and formability—will determine which grade is best.
What is 321 Stainless Steel Sheet Made of?
The alloy 321 stainless steel sheet, which is made of titanium, nickel, and chromium, has exceptional heat and corrosion resistance. Because it won’t harden or deform in extremely high temperatures, it is the recommended option for high-temperature applications. The distinctive look and feel of 321 stainless steel, which is appealing for both indoor and outdoor applications, is also a result of its high chromium and titanium content. Numerous sectors, notably aerospace, have employed this superior grade of steel to allow challenging projects that call for durability, strength, and accuracy.
321 Stainless Steel Sheet Specification
| Item | 321 Stainless Steel Sheet(Hot rolled, cold rolled) |
| Standard | ASTM A240, JIS4304-2005, ASTM A167, EN10088-2-2005, GB/T3280-2007, etc |
| Material | Stainless Steel 321 Sheet |
| Surface | the surface and finish of 321 Stainless Steel Sheet:
2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Thickness | 0.01~200mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Brand: | Indian Origin, European Origin, Japanese Origin, US Origin, Korea Origin, Thailand Origin, Taiwan Origin |
| Manufacturer: | POSCO, Aperam, Jindal Stainless, DKC Korea, Thyssenkrup, Baosteel, TISCO, Arcelor Mittal, VDM, Nippon Metal, Outokumpu |
| Package | Standard export package, suit for all kinds of transport, or as
required. |
Chemical Composition 321 Stainless Steel Sheet
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
| 321 | min.
max |
–
0.08 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0
19.0 |
– | 9.0
12.0 |
0.10 |
Ti=5(C+N) 0.70 |
| 321H | min.
max |
0.04
0.10 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0
19.0 |
– | 9.0
12.0 |
– |
Ti=4(C+N) 0.70 |
| 347 | min.
max |
0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0
19.0 |
– | 9.0
13.0 |
– |
Nb=10(C+N) 1.0 |
Mechanical Properties of 321 Stainless Steel Sheet
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| 321H | 515 | 205 | 40 | 95 | 217 |
| 347 | 515 | 205 | 40 | 92 | 201 |
Physical Properties of 321 Stainless Steel Sheet
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Grade Specification Comparison of 321 Stainless Steel Sheet
| 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 | X10CrNiTi18-10 | – | SUS 321H |
| 347 | S34700 | 347S31 | 58G | 1.4550 | X6CrNiNb18-10 | 2338 | SUS 347 |
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