ASTM A554 TP304 1.4301 Stainless Steel Welded Pipe Bright Annealed
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What is ASTM A554?
This guide covers standard specification for welded stainless steel tubing for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed. The tubes shall be made from flat-rolled steel by an automatic welding process without the addition of filler metal. Tubes shall be furnished in one of the following shapes - round, square, rectangular, or special.
Heat analysis shall be performed wherein several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, titanium, columbium, and tantalum.
What is 304 stainless steel?
304 stainless steel is a common material in stainless steel with a density of 7.93 g/cm³, which is also called 18/8 stainless steel in the industry. High temperature resistant to 800℃, with good processing performance and high toughness, it is widely used in industry and furniture decoration industry and food and medical industry.
304 is a universal stainless steel, which is widely used to make equipment and parts that require good comprehensive performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium and more than 8% nickel. 304 stainless steel is a grade of stainless steel produced in accordance with the American ASTM standard.
Advantages:
1. Corrosion resistance: TP304 stainless steel pipe has excellent corrosion resistance and can resist erosion by various corrosive media, such as acids, alkalis, salts, etc.
2. High temperature resistance: TP304 stainless steel pipe has good high temperature resistance and can maintain good performance at high temperatures, such as when used in boilers, heat exchangers and other equipment.
3. High strength: TP304 stainless steel pipe has high strength and hardness and can withstand greater pressure and load.
4. Other properties: TP304 stainless steel pipe has good thermal conductivity, electromagnetic shielding, etc., and can be used in various situations where low temperature needs to be maintained or electromagnetic interference shielded.
Chemical Composition of ASTM A554 SS Welded Pipes
| Grade | C max% | MN max% | P max% | S max% | NI% | CR% | MO% |
|---|
| TP304 | 0:08 | 2 | 0:04 | 0:03 | 8-11 | 18-20 | - |
| TP304L | 0035 | 2 | 0:04 | 0:03 | 8-13 | 18-20 | - |
| TP316 | 0:08 | 2 | 0:04 | 0:03 | 10-14 | 16-18 | 2-3 |
| TP316L | 0035 | 2 | 0:04 | 0:03 | 10-15 | 16-18 | 2-3 |
Mechanical Properties of ASTM A554 SS Welded Pipes
| Grade | Tensile strength mpa, (min) | Yield strength mpa, (min) | % Age extension in 50 mm gauge length min | Hardness (max) |
|---|
| bhn | rb |
|---|
| 304 | 585 | 244 | 56 | 191 | 72 |
| 304L | 585 | 210 | 56 | 191 | 72 |
| 316 | 615 | 245 | 57 | 197 | 75 |
| 316L | 585 | 215 | 56 | 197 | 75 |
Dimensions Of ASTM A554 Welded Mechanical Steel Tubing O.D and I.D
| | OD Size, in. (mm) | OD, ±in. | mm | ID, ±in. | mm |
| ASTM A554 TP 304/304L Stainless Steel Tubing | Up to 3⁄32 (2.4), excl | 0.001 | 0.03 | 0.001 | 0.03 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 3⁄32 to 3⁄16 (2.4 to 4.8), excl | 0.0015 | 0.038 | 0.0015 | 0.038 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 3⁄16 to 1⁄2 (4.8 to 12.7), excl | 0.003 | 0.08 | 0.005 | 0.13 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 1⁄2 to 1 (12.7 to 25.4), excl | 0.004 | 0.10 | 0.006 | 0.15 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 1 to 11⁄2 (25.4 to 38.1),excl | 0.005 | 0.13 | 0.007 | 0.18 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 1 1⁄2 to 2 (38.1 to 50.8),excl | 0.006 | 0.15 | 0.008 | 0.20 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 2 to 2 1⁄2 (50.8 to 63.5),excl | 0.007 | 0.18 | 0.010 | 0.25 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 2 1⁄2 to 3 1⁄2 (63.5 to 88.9),excl | 0.010 | 0.25 | 0.014 | 0.36 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | 3 1⁄2 to 5 (88.9 to 127.0),incl | 0.015 | 0.38 | 0.020 | 0.51 |
| ASTM A554 TP 304/304L Stainless Steel Tubing | Over 5 to 16 (127.0 to 406.4), incl | 0.00125 in./in. or mm/mm of cir-cumference | 0.0013 in./in. or mm/mm of cir-cumference | |
Applications:
-Nuclear, Thermal and Solar Power Plants
-Refinery and Petrochemicals
-Oil and Gas
-Chemicals and Fertilizers
-Pulp and Paper
-Cryogenic Services
-Pharmaceuticals
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ASTM A554 TP304 1.4301 Stainless Steel Welded Pipe Bright Annealed Images
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