309 Stainless Sheet

309 stainless sheet is a popular choice in many industries due to its excellent resistance to high temperatures and corrosion. This versatile material is used in a variety of applications from automotive exhaust systems to chemical processing plants.

The high levels of chromium and nickel in 309 stainless sheet provide exceptional resistance to oxidation and corrosion at elevated temperatures. This makes it an ideal choice for applications that require high temperature resistance such as heat exchangers, furnaces, and boilers. Its corrosion-resistant properties also make 309 stainless sheet a preferred choice for chemical processing equipment.

In addition to its impressive performance properties, 309 stainless sheet is easy to machine and can be welded with ease. Its superior weldability makes it a popular choice for welding dissimilar metals, allowing for the creation of strong and durable joints.

Grade: 200/300/400 Series
Thickness: 0.1-3.0
Standard: ASTM, JIS AISI ASTM DIN BS
Width: 1000-3000
Certificate: ISO SGS CE BV
Surface Finish: 2B/No.1/No.3/No.4/BA
Tolerance: ±1%

PRODUCTION PROCESS

1. Melting: This involves melting the raw materials, mainly iron, chromium, and nickel, in a furnace. The furnace can be either an electric arc furnace or an induction furnace.

2. Casting: Once the raw materials are molten, they are cast into larger ingots or slabs using a continuous casting machine. This process helps to ensure a consistent quality and eliminates any impurities or defects that could degrade the final product.

3. Hot-rolling: The ingots or slabs are then hot-rolled into thinner sheets. This process involves heating the metal to high temperatures and then pushing it through a series of rollers that gradually reduce its thickness.

4. Annealing: Before the sheets are further processed, they are annealed to relieve any stresses in the metal caused by the rolling process. This involves heating the sheets to a specific temperature and then slowly cooling them.

5. Cold-rolling: The sheets are then cold-rolled to achieve the desired thickness and surface finish. Cold-rolling involves passing the metal through a series of rollers at lower temperatures, which helps to tighten the grain structure and improve the surface finish.

6. Cutting and finishing: Finally, the sheets are cut to size, and any necessary surface finishes are applied before packing and shipping to the customer.

Packing and delivery

Packaging:
1. High-quality packaging materials should be used to protect the 309 stainless sheet during shipment
2. The packaging should be designed to prevent damage from moisture, dust, and other external factors
3. The packaging should be clearly labeled with the product name, quantity, and handling instructions

Delivery:
1. The delivery process should be well-coordinated and timely to ensure that the customer receives their order on time
2. The delivery personnel should be trained to handle the product with care and ensure that it is delivered in good condition
3. The customer should be provided with tracking information to keep them informed of their order status and expected delivery date

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