Manufacture 304/Tp316L Stainless Steel Tubing Coil for Heat Exchanger
Product Description
304/304L (UNS S30400/S30403) is the most widely utilized "18-8" chromium-nickel austenitic stainless steel. It is an economical and versatile corrosion-resistant alloy suitable for a wide range of general-purpose applications.
It is common practice for 304L to be dual certified as 304 and 304L. The low carbon chemistry of 304L combined with an addition of nitrogen enables 304L to meet the mechanical properties of 304.
304/304L resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. The alloy has excellent resistance to intergranular corrosion in the as-welded condition. 304/304L has excellent strength and toughness at cryogenic temperatures.
304/304L is non-magnetic in the annealed condition but can become slightly magnetic as a result of cold working or welding. It can be easily welded and processed by standard shop fabrication practices.
Corrosion Resistance:
304/304L has good resistance to atmospheric corrosion, foods, and beverages, and to many organic and inorganic chemicals in moderately oxidizing to moderately reducing environments. The high chromium content of the alloy provides resistance to oxidizing solutions such as nitric acid up to 55% weight and up to 176°F (80°C).
304/304L also resists moderately aggressive organic acids such as acetic. The nickel present in the alloy provides resistance to moderately reducing solutions such as pure phosphoric acid, whatever the concentration, in cold solutions and up to 10% diluted hot solutions. The alloy can also operate successfully in caustic solutions free of chlorides or Alloy 304/304L does not perform well in more highly reducing environments such as those containing chlorides and sulfuric acid.
304/304L performs well in freshwater service with low levels of chlorides (less than 100 ppm). At higher chloride levels the grade is susceptible to crevice corrosion and pitting. For successful performance under these more severe conditions, higher molybdenum content is needed such as 316/316L. 304/304L is not recommended for service in marine environments.
In most instances, the corrosion resistance of 304, 304L, and 304H will be roughly equal in most corrosive environments. However, in environments that are sufficiently corrosive to cause intergranular corrosion of welds and heat-affected zones 304L should be used because of its low carbon content.
304L Chemical Composition
Weight % (all values are maximum unless a range is otherwise indicated)
| C | Mn | Si | P | S | Cr | Ni | N | |
| 304L | 0.03 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18.0 -20.0 | 8.0-12.0 | 0.1 max |
304L Mechanical Properties:
|
Tensile Strength ksi (min) |
Yield Strength 0.2% ksi (min) |
Elongation % |
Hardness (Brinell) MAX |
|
| 304L | 70 | 25 | 40 | 201 |
304L Stainless Steel is used in a wide variety of home and commercial applications, including:
- Food processing equipment, particularly in beer brewing, milk processing, and winemaking
- Kitchen benches, sinks, troughs, equipment, and appliances
- Architectural trim and molding
- Automotive and aerospace structural use
- Construction material in large buildings
- Chemical containers, including for transport
- Heat exchangers
- Nuts, bolts, screws, and other fasteners in the marine environment
* Outside Diameter: 4.0mm - 1219.0mm
* Wall Thickness: 0.5mm - 100.0mm
* Length: up to 24m
* Tolerance: According to the standard
* Technique: Hot rolled/Cold drawn/Forged
* Surface: Pickling, Polished, Grit blast, 180#, 320#, 400#, Bright Anneal,400#, 500#, 600#
* Standard: ASTM A312. ASME SA269, ASTM A269, ASME SA213, ASTM A215, ASTM A511, ASTM A789, ASTM A790, ASTM A 268, DIN 2462.1, DIN 17456, DIN 17458, JIS G3463, JIS G3459, GOST 9941, etc.
* Grade: 201, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 430, 430Ti, 409L, 439, 440C, 446, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
* Processing Service: Bending, Welding, Punching, Cutting, etc.
* Pipe End: BE/PE with cap
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Classification: Stainless steel industry pipe, stainless steel decorative tube
* Outside Diameter: 4.0mm - 1219.0mm
* Wall Thickness: 0.5mm - 20.0mm
* Length: Normally 6.0m, or as requirements
* Tolerance: According to the standard
* Technique: Hot rolled/Cold drawn
* Surface: Pickling, Polished, 180#, 320#, 400#, Bright Anneal,400#, 500#, 600#
* Standard: ASTM A312, ASTM A358, ASTM A249, ASTM A269, ASTM A554, ASTM A790, DIN 17457, JIS 3459, etc
* Grade: 201, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 430, 430Ti, 409L, 439, 440C, 446, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
* Processing Service: Bending, Welding, Punching, Cutting, etc.
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Outside Diameter: 0.4mm - 16.0mm
* Wall Thickness: 0.1mm - 2.0mm
* Length: Up to 18000mm, or cut into small pieces
* Tolerance: According to the standard
* Technique: (High Precision) Cold drawn
* Surface: Inside and Outside Bright Annealed
* Standard: ASTM A312, ASTM A358, ASTM A249, ASTM A269, ASTM A554, ASTM A790, DIN 17457, JIS 3459, etc
* Grade: 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, S32760, 2205, 904L, 630, 631,etc
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Classification: Stainless steel welded sanitary pipe, stainless steel seamless sanitary tube
* Outside Diameter: 6.0mm - 850.0mm
* Wall Thickness: 0.5mm - 6.0mm
* Length: Up to 18000mm, or cut into small pieces
* Tolerance: According to the standard
* Technique: Cold drawn
* Surface: Inside OR Outside Polished
* Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213, ASTM A511, ASTM A789, ASTM A790, ASTM A376, ASME SA335, SB161, SB163, SB338, SB667, DIN 2462, DIN 17456, DIN 17458, EN 10216, JIS 3463, JIS G3459, GOST 9941, etc
* Grade: 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, S32760, 2205, 904L, 630, 631,etc
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Classification: Stainless steel welded square pipe, stainless steel seamless square tube
* Side Length: 4.0*4.0mm - 300.0*300.0mm
* Wall Thickness: 0.25mm - 8.0mm
* Length: Normally 6.0m, or cut into small pieces
* Tolerance: According to the standard
* Technique: Cold drawn/Hot Rolled
* Surface: Hairline, Polished, 180#, 320#, 400#, Bright Anneal,400#, 500#, 600#
* Standard: ASTM A312, ASTM A358, ASTM A249, ASTM A269, ASTM A554, ASTM A790, DIN 17457, JIS G3459, etc
* Grade: 201, 304, 304L, 316, 316L, 321, 317L, etc
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Classification: Stainless steel welded rectangular pipe, stainless steel seamless rectangular tube
* Side Length: 4.0*6.0mm - 200.0*400.0mm
* Wall Thickness: 0.25mm - 8.0mm
* Length: Normally 6.0m, or cut into small pieces
* Tolerance: According to the standard
* Technique: Cold drawn/Hot Rolled
* Surface: Hairline, Polished, 180#, 320#, 400#, Bright Anneal,400#, 500#, 600#
* Standard: ASTM A312, ASTM A358, ASTM A249, ASTM A269, ASTM A554, ASTM A790, DIN 17457, JIS G3459, etc
* Grade: 201, 304, 304L, 316, 316L, 321, 317L, etc
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
* Classification: O Type, I Type, W Type, U Type
* Outside Diameter: 40.4mm - 16.0mm
* Wall Thickness: 0.1mm - 2.11mm
* Length: 150m, 1500m, 1800m, or as requirements
* Tolerance: According to the standard
* Technique: Cold drawn/Hot Rolled
* Surface: Pickling, Polished, 180#, 320#, 400#, Bright Anneal,400#, 500#, 600#
* Standard: ASTM A269, A249, JIS G 43-5, EN 10216
* Grade: 201, 304, 304L, 316, 316L, 904L, S32205, S31803, etc
PLEASE CONTACT THE SALES TEAM FOR THE DETAILED STOCK LIST
Q: What kind of ZYTC company?
A: ZYTC is a professional manufacturer of metals and alloy productions and has its own warehouse with more than 30,000 tons capacity. We are working hard to open up the international market. At the same time, we will encounter a variety of purchase orders, In order to meet customer requirements and improve services, we will also distribute some kinds of metal products, of course, our strict procurement management and quality management departments can guarantee excellent quality of all products.
Q: What certificate does ZYTC have?
A: ZYTC acquired the ISO 14001 environmental management system certificate, 0HSAS18001 occupational health and safety management system certificate, and ISO 9001 quality management system certificate.
Q: What's your purchasing system?
A: Our procurement system adopts the 5R principle to ensure the "right quality" from the "right supplier" with the "right quantity" of materials at the "right time" with the "right price" to maintain normal production and sales activities. At the same time, we strive to reduce production and marketing costs to achieve our procurement and supply goals: close relationships with suppliers, ensure and maintain supply, reduce procurement costs, and ensure procurement quality.
Q: Who are your cooperate partners?
A: ZYTC has a very good relationship with world-known factories, such as Baosteel, TISCO, ZPSS, JISCO, ATl, SMC, HAYNES, VDM, ArcelorMittal, etc.
Q: What are your company's payment methods?
A: 30% T/T deposit, 70% T/T balance payment before shipment. More payment methods depend on your choices.
Q: Can you accept small orders?
A: If we have the exact materials in stock, we can deliver even 1 piece. If we don't have the goods in stock, the MOQ is normally 1 ton.
Q: Do you guarantee the safe and reliable delivery of products?
A: Yes, we always use high-quality packaging for shipping. We usually pack the products with a soft material such as polyethylene foam and then pack it in wooden cases to ensure the safety of the product in the process of transportation.
Q: Does ZYTC provide processing services?
A: Yes, we also provide processing services to the outside world, and providing professional services is one of our goals. Such as bending, water cutting, laser cutting, digging holes, welded, slit coil, and other processing according to the drawings.
Q: How to guarantee the quality?
A: Each production procedure will be subject to testing and evaluation. from the very choice of raw materials to the package for shipment. Only the products surviving all the tests are delivered for export.
Q: What if there is a quality problem?
A: We also keep a piece of the sample before shipping. After comparing the buyer's test result, and it turns out to be our problem, we will return the money back and pay for your lost or delivery of qualified materials again.
Q: Can you provide samples?
A: As a professional company, we know that the quality of products is valued by each customer, especially for international trade, we understand the customer's worries, so we can provide samples to customers, and we can ensure the consistency of the quality of samples and batch product products. The sample is free, but the buyer should pay the freight fee. And the freight fee will be returned in the future order.
Q: How about the delivery time?
A: Stock products can be shipped within 3 days. Customized product delivery time is normally 25 working days, but it is also influenced by the specific requirements or the order quantity. Partial shipment is allowed.
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