Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most credible manufacturers and suppliers of pipe 304 and 304 l in China. Please feel free to wholesale customized pipe 304 and 304 l at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
Chemical requirements
| Grade | UNS | Carbon | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum | Titanium | Niobium |
Tantalun, max |
Nitrogenc | Vanadium | Copper | Cerium | Boron | Aluminum | Other |
| 304 | S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ... | ... | ... | ... | ... | ... | ... | ... | ... | 0.80-1.50 |
| 304L |
S30403 |
0.035D | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.2 | 8.0-13.0 | ... | ... | ... | ... | ... | ... | ... | ... | ... |
Permitted variations in wall thickness
| Tolerance,% from Nominal | ||
| NPS Designator | Over | Under |
|
1/8 to incl.,all t/D rations 3 to 18 incl.,t/D up to 5% incl. 3 to 18 incl.,t/D ＞5% 20 and larger,welded,all t/D rations 20 and larger,seamless,t/D up to 5%incl. 20 and larger,seamless,t/D ＞5% |
20.0 22.5 15.0 17.5 22.5 15.0 |
12.5 12.5 12.5 12.5 12.5 12.5 |
Tensile requirements
| Grade | UNS | Tensile strength,min ksi[MPa] | Yield strength,min ksi[MPa] |
| TP304 | S30400 | 75[515] | 30[205] |
| TP304L | S30403 | 70[485] | 25[170] |
Hot Tags: pipe 304 and 304 l, China pipe 304 and 304 l manufacturers, suppliers, Austenitic Stainless Steel Tubes, Seamless And Welded Tubing, Heat Treatment And Hardness Requirements, Proof Strength, Amendments supplements To ASTM A312, Pipe 304 And 304 L
