AISI 304 stainless steel pipe
Stainless steel pipe is a kind of hollow and long steel, the economic steel section is round in shape. Stainless steel pipe added with Ni and Cr elements to provide better corrosion resistance in different environments, commonly used 304 / L and 316 / L stainless steel pipe, standard in ASTM A312, A213, A270 and etc.
The AISI 304 stainless steel tubes supplied by us are approved and certified by the industry. They have important applications in Oil, Gas, Petrochemical, Energy and Desalination, Civil Construction, Naval Construction, Marine, Food, Dairy and other associated industries.
These types of pipes are divided into: stainless steel seamless pipes and stainless steel welded pipes.
According to the manufacturing process, it can be divided into the following basic types: hot rolled, extrusion, cold circular, hexagonal, equilateral triangle, octagonal and other specially shaped stainless steel tubes.
GNEE STEEL offers super austenitic stainless steel tubing and tubing in different material grades and standards.
Technical specifications
Standards: Meets ASTM A312
Item: Pipe
Manufacturing Material: 304 Stainless Steel
Type: Seamless
Inside Diameter: 0.510"
Outside Diameter: 3/4"
Length: 6 feet
Temperature Range: -425 to 1500 Degrees F
Wall Thickness (in.): 0.120
Outside Diameter Tolerance: + .005&"/ - 0.005 GG"
Max Pressure (PSI): 5364 psi @ 72 Degrees F
AISI 304 Stainless Steel Pipes Standard Specification:
| Standards | Seamless pipe |
| ASTM | A 312 |
| ASME | HS 312 |
| Wst. | 14301/14306 |
| UNS | S30400/S30403 |
AISI 304 stainless steel pipe sizes and stocks
| Pipe / Tube Type | NB sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
| AISI 304 stainless steel pipe | 1/8'' | √ | √ | √ | √ | |
| AISI 304 stainless steel pipe | 1/4'' | √ | √ | √ | √ | |
| AISI 304 stainless steel pipe | 3/8'' | √ | √ | √ | √ | |
| AISI 304 stainless steel pipe | 1/2'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 3/4'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 1'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 1 1/4'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 1 1/2'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 2'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 2 1/2'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 3'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 4'' | √ | √ | √ | √ | √ |
| AISI 304 stainless steel pipe | 5'' | √ | √ | √ | √ | |
| AISI 304 stainless steel pipe | 6'' | √ | √ | √ | √ |
304 / 304L stainless steel tube
ASTM A312 TP 304 / 304L stainless steel pipe is the most versatile and widely used stainless steel on the market. And these grades are austenitic chromium alloy, also known as “18/8” stainless steel, because the composition of the steel is 18% chromium and 8% nickel.
Characteristics
The chromium content promotes considerable resistance to corrosion and oxidation. Stainless steel alloys are resistant to most oxidizing acids and can withstand normal oxidation, but this does not mean that steel does not discolor over time. Steel requires cold working to produce higher tensile strength. For severely welded stainless steel parts, post weld annealing may be necessary to provide maximum corrosion resistance.
Type 304 stainless steel tubing has excellent welding and deep drawing properties. It is easy to manufacture and clean.
304 stainless steel pipe applications
Type 304 / 304L stainless steel is very common throughout the industry, especially in food processing, as it is not susceptible to acid corrosion in common foods. Therefore, this steel is very suitable for use in sinks, work surfaces, preparation areas and refrigerators. It is also an ideal material for the pharmaceutical industry, such as the clean room.
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