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| Brand Name: | Jinxi Pipe |
| Model Number: | Stainless steel pipe |
| MOQ: | 1 |
| Price: | 3000USD/TON |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 10000000 |
ASTM A688 TP304 Stainless Steel Tube Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes
Specifications
ASTM A688 specification covers seamless and welded austenitic stainless steel feedwater heater tubes including those bent,if specified, into the form of U-tubes for application in tubularfeed-water heaters. Grade TP304 is the most common and versatile austenitic stainless steel (18% Chromium, 8% Nickel).
We offer ASTM A688 TP304 seamless and welded U bend stainless steel tube for feedwater heaters, Austenitic stainless steel and Ferritic stainless steels, surface condition in annealing and pickling, or bright annealed finishing, used in heat exchanger, boiler, condenser, heat transfer system.
| American Standard | Standard Name |
| A 688 / SA 688 | Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes |
ASTM A688 TP304 Stainless Steel Tube Chemical Composition
(Sources American Standard A668 / A668M TABLE 1 Chemical Requirements)
| Grade | TP304 |
| UNS DesignationA | S30400 |
| Element | Composition, % |
| C, Max | 0.08 |
| Mn, Max | 2 |
| Ph, Max | 0.04 |
| S, Max | 0.03 |
| Si,,Max | 0.75 |
| Ni | 8.00-11.00 |
| Cr | 18.00-20.00 |
| Mo | — |
| N | — |
ASTM A688 TP304 Stainless Steel Tube Mechanical Properties
(Sources American Standard A688 / A688M TABLE 2 Tensile Requirements)
| Grade | UNS Designation | Tensile strength, | Yield strength, | ElongationA |
| min, | min | in 2 in. or 50 | ||
| ksi[MPa] | ksi[MPa] | mm, min,% | ||
| TP304 | S30400 | 75 [515] | 30 [205] | 35 |
ASTM A688 TP304 Stainless Steel Tube Application