309S Stainless Steel Foil
309S Stainless Steel Foil Supplier In China
309S stainless steel foil is austenitic chromium-nickel stainless steel that provides excellent corrosion resistance and heat resistance for many important applications.
309S stainless steel foil has high chromium and low nickel content, It can be utilized in sulfur containing atmospheres up to 1000 degree.
309S stainless steel foil is a grade of stainless steel foil produced according to the American ASTM standard.
309S Stainless Steel Foil Specifications
| Product Name | 309S Stainless Steel Foil |
| Grades | 309S |
| Hardness | 370HV-430HV or as customers’ requests |
| Thickness | 0.01mm-0.1mm |
| Width | 1.0mm-650mm |
| Edge | Slit/Mill |
| Quantity Tolerance | ±10% |
| Paper Core Internal Diameter | Ø500mm paper core, special internal diameter core and without paper core on customer request |
| Surface Finish | NO.1/2B/2D/BA/HL/Brushed/6K/8K Mirror,etc |
| Packaging | Wooden Pallet/Wooden Case |
| Payment Terms | 30% TT deposit and 70% balance before shipment, 100% LC at sight |
| Delivery Time | 5-7 working days |
| MOQ | 100Kgs |
| Shipping Port | Shanghai/Ningbo port |
| Sample | The sample is available |
309S Stainless Steel Foil Chemical Compositions
The chemical components of grade 309S stainless steel foil tape is summarized in the following table:
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Mo |
| 309S | ASTM A240 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 22.00-24.00 | 12.00-15.00 | – |
309S Stainless Steel Foil Mechanical Properties
| Stainless Steel 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 | ||||
| 309S | 515 | 205 | 40 | 92 | 201 |
How About 309S Stainless Steel Foil Production Process?
- Cold rolling of thin stainless steel strip coils: The cold rolling of stainless steel is to further reduce the thickness of the hot rolled steel sheet and make it into a thin strip foil. It is divided into continuous cold rolling and batch cold rolling.
- Annealing of ultra thin stainless steel foils: After cold rolling, the thin strip needs annealing to restore the mechanical properties lost during cold rolling.
- Slitting of ultra thin stainless steel foils: The annealed stainless steel strip is slitted according to requirements, and the width of the thin strip is determined by customer requirements.
- Packing and shipping of thin 31L ultra thin stainless steel foils: After the slitting, the thin strips are packed in wooden cases to prevent damage during transportation and storage.
309S Stainless Steel Foil: The Ultimate Guide
When you choose to buy high quality 309S stainless steel foil, there have some important points we need to know before we get started.
What are 309S stainless steel foils?
309S stainless steel foil is austenitic chromium-nickel stainless steel that provides excellent corrosion resistance and heat resistance for many important applications.
309S stainless steel foil has high chromium and low nickel content, It can be utilized in sulfur containing atmospheres up to 1000 degree.
309S stainless steel foil is a grade of stainless steel foil produced according to the American ASTM standard.
309S Stainless Steel Foil Applications
309S stainless steel foil is widely used in important fields such as boilers, energy (nuclear power, thermal power, fuel cells), industrial furnaces, incinerators, heating furnaces, chemical industry, petrochemicals industry, etc.
How to buy 309S stainless steel foil from China?
Therefore, if you want to buy 309S foil at lower price with high quality and good service from China suppliers, you need to know how to buy stainless steel strips coils from China firstly.
First of all, you should choose a reliable supplier who can provide good quality 309S stainless steel coils products at competitive prices. Then you can negotiate with them on price and other terms until reaching an agreement.
Secondly, you need to check whether they have advanced production equipment or not because if they do not have advanced equipment for producing various kinds of coils including stainless steel coils or if their production capacity is limited then it would be difficult for them to supply high quality products at competitive prices all year round.
Thirdly, it is better to visit their factory by yourself and check the production line and warehouse by yourself. It will be great if you can check their production process and production equipment. Because it is very important for you to know how they control the quality from process till delivery.
What is the standard sea packaging of 309S stainless steel foil?
- Standard export sea packaging:
Waterproof Paper Winding+PVC Film+Strap Banding+Wooden Pallet or Wooden Case; - Customized packaging as your request (Logo or other contents accepted to be printed on the packaging);
- Other special packaging will be designed as customer’s request;
Eye to wall and eye to sky are both available; - By International Express: DHL/UPS/FEDEX/EMS and our own express line;
- By air or By sea;
- Shipping port: Shanghai, Ningbo or as your request.
