| Steel Grade: | 300 Series， Stainless Steel 304/316L， 400 Series， X5CrNi18-20， 200 Series | Type: | Seamless Pipe |
|---|---|---|---|
| Standard: | ASTM， AISI， GB， DIN， JIS | Certification: | ISO， SGS， BV， ISO&SGS， ISO/CE/SGS |
| Length: | 3000-6000mm， Customized， 1800max， 11.8m Or As Required， 8m | Thickness: | 0.4-30mm， 1.0mm， 0.6-2500mm，1-60mm， 0.6-25mm |
| Technique: | Cold Rolled Hot Rolled， Cold Drawn， Extrusion， Cold Drawn/Cold Rolling Or Both Of Them | Product Name: | Stainless Steel Pipe， 304 304L 316 316L 321 310S Stainless Steel Welded/Seamless Tube |
| Material: | Stainless Steel | Outer Diameter: | 6-630mm， 6-762mm， 6-860mm， Customized |
| Grade: | 201/202/304/304L/316/316L/321/321H/347/347H/310S/410/420/430/440/439， Etc | Finish: | Brush Polish， Cold Drawn， Bright Annealed Or Un Annealed |
| High Light: | Stainless Steel 03X18H11， 1.0mm Stainless Steel， Round Seamless Ss Pipe | ||
ASTM A312 TP304L Stainless Steel
ASTM A312 Tp304l stainless steel pipe is one of the most widely used steel pipes in the world for many reasons. ASTM A312 Gr TP304L is expensive than most other stainless steel products and therefore cost effective. It is an austenitic stainless steel with chromium in it. This makes ASTM A312 grade Tp304l corrosion resistant. Most applications require this quality. A312 Tp304l pipes can be produced by different methods and can also have different shapes. TONG CHUANG GROUP is a large manufacturer and supplier of these pipes， we produce various products. Thanks to electrofusion welding， our A312 Tp304l Efw pipes are very strong and the joints are durable. We also manufacture electric resistance welded pipes.
Applications for ASTM A312 Grade 304l are varied. They are mainly used in the food and beverage industry， cryogenic applications， sanitary and pressure vessel applications. Due to the low carbon content in ASME SA312， Type 304l is lower in strength than regular 304 material. Nevertheless， 304l stainless steel pipe is widely used for corrosion resistance. There are different variants such as 304l Schedule 10 Stainless Steel Tube which indicates a specific wall thickness to diameter. 304l Stainless Steel and 304l welded pipe are available as required for unique applications. We manufacture 304l Schedule 40 pipes as well as other schedules and pressure ratings for these pipes. After contacting us， you can get a complete product list.
Description
304L belongs to American Standard austenitic stainless steel. It is a common material in stainless steel with a density of 7.93 g/cm. Also known in the industry as 18/8 stainless steel. High temperature resistance of 800 ℃， has the characteristics of good processing performance and high toughness， and is widely used in industry， furniture decoration industry and food and medical industry.
Our 1.4301 product range includes pipes， fittings and flanges， accessories.
Some of the quality tests carried out by our quality department includes:
| Corrosion Test | Only when specifically requested by the customer |
| Chemical Analysis | Conduct tests according to required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Fully compliant with relevant standards and ASTM A-450 and A-530 specifications， ensuring trouble-free extension， welding and use on the client side |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% hydrostatic test， check pipe leaks according to ASTM A 450 specification， the maximum pressure we can support is 20Mpa/7s. |
| Air Under Pressure Test | Check for any signs of air leakage |
| Visual Inspection | After passivation， each tube is subjected to a thorough visual inspection by trained personnel to detect surface defects and other defects |
Supplementary Testing : In addition to the above tests， we also carry out supplementary tests on finished products. Tests carried out in this regard include:
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Chemical composition ¹ | ||||||||
| C ≤ % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Cr % | Mo % | Ni % | V |
| 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | — | — | |
| Nb | Ti | Al | Co | Cu % | N ≤ % | Fe | ||
| — | — | — | — | — | — | — | ||
| ¹ in accordance with Key to Steel 2001 | ||||||||
Special characteristics | ||
| Temperature range: | Density kg/dm³ | Hardness (HB) |
|---|---|---|
| pressure bomb/pressure vessel – 60°C bis 400°C | 7，93 | ≤ 230 |
| excellent stability against pitting corrosion， stress corrosion and intergranular corrosion | ||
