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Grade 304 Stainless Steel Pipes are the most flexible and commonly used stainless steel grade on the market. Stainless Steel 304 grade is the most commonly used alloy in the industry. Stainless Steel 304 Welded Pipes have a high mechanical strength because of their duplex microstructure and nitrogen alloying.
Some people refer to Stainless Steel 304 Seamless Pipes as austenitic-ferritic stainless steels because they are made up of about 50 percent austenitic and 50 percent ferritic stages. The nominal bore size of Stainless Steel 304 Seamless Pipe ranges from 1/2 inch to 16 inches, the nominal bore size of ERW pipes ranges from 1/2 inch to 24 inches, and the nominal bore size of EFW pipes ranges from 6 inches to 100 inches. All pipes range in size from 1/8 inch to 30 inches. The Stainless Steel 304 Welded Pipe is made by welding a thin strip or sheet together. There are different standards, sizes, shapes, dimensions, and grades for these Stainless Steel 304 Pipes/Tubes avaialble at Amardeep Steel Centre such as round, square, rectangular, and hydraulic types of seamless, welded, and LSAW pipes. Amardeep Steel Centre is a well-known and well-established company that makes, stocks, and sells high-quality ASTM A312 TP Stainless Steel 304 Pipes and Tubes. A heat exchanger is a common place where Stainless steel 304 pipe is used. A heat exchanger is a system that moves heat from one fluid to another. Since SS 304 welded pipe is more cost-effective, it is more often used in heat exchangers. Heat exchangers need to be moderately resistant to corrosion and have good tensile strength. These Stainless Steel 304 Seamless Tubes/Pipes are used in many different fields, such as power, engineering, construction, and many more. We also offer our clients a competitive range of SS 304 pipes and tubes.
304 Stainless Steel Pipe Specifications :
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Dimensions | ASTM, ASME and API |
| 304 Pipes & Tubes | 1/2" NB - 16" NB |
| ERW 304 Pipes & Tubes | 1/2" NB - 24" NB |
| EFW 304 Pipes & Tubes | 6" NB - 100" NB |
| Size | 1/8″NB TO 30″NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Equivalent Grades of UNS S30400 Stainless Steel Pipes & Tubes
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | Z7CN18‐09 | 304S31 | 08Х18Н10 | X5CrNi18-10 |
Production according to national and international standards (e.g. ASME, ASTM, API, EN, DNV, etc.)
Stainless Steel 304 Tubing Chemical Composition :
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | - | - | - | - | - | 18.0 | - | 8.0 | - |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Mechanical properties Of SS A312/A249 TP 304 Seamless Pipes and Tubes
| 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 | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Physical properties Of A312/A249 SS TP304 Rectangular Pipes and Tubes
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Stainless Steel 304 Grade specifications
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Types Of Stainless Steel 304 Pipes & Tubes :
• ASTM A213 TP 304 Stainless Steel Seamless Tubes
• ASTM A312 TP 304 Stainless Steel Welded Pipes
• ASTM A249 TP 304 Stainless Steel Welded Tubes
• SS 304 Seamless Pipes
• SS 304 ERW Pipes
• SS 304 EFW Pipes
• SS 304 Rectangular Pipes
• SS 304 Seamless Tubes
• SS 304 ERW Tubes
• SS 304 EFW Tubes
• SS 304 Welded Tubes
• SS 304 Rectangular Tubes
