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| Brand Name: | Jinxi Pipe |
| Model Number: | Stainless steel pipe |
| MOQ: | 1 |
| Price: | 2500USD/TON |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 10000000 |
ASME SA249 TP304 Stainless Steel Welded Tube For Heat Exchangers
Specifications
ASTM A249 TP304 is a standard specification for welded austenitic stainless steel pressure tubes, most commonly made from 304 stainless steel. These tubes are used for high-quality applications like boilers, heat exchangers, and general industrial services, offering excellent corrosion resistance and strength. They can be manufactured using methods like ERW (Electric Resistance Welding) and TIG welding, and come in various sizes and surface finishes.
| American Standard | Standard Name |
| A 249 / SA 249 | Welded Austenitic Steel Boiler,Superheater, Hear Exchanger and Condenser Tubes |
ASTM A249 TP304 Stainless Steel Welded Tube Chemical Composition
(Sources American Standard A249 / A249M TABLE 1 Chemical Requirements,% A)
| Grade | UNS Desig | C | Mn | P | S | Si | Cr | Ni |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–12 |
| TP304L | S30403 | 0.03 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–12 |
| TP304H | S30409 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 |
ASTM A249 TP304 Stainless Steel Welded Tube Mechanical Properties
(Sources American Standard A249 / A249M TABLE 4 Tensile and Hardness Requirements A)
| Grade | UNS Designation | Tensile Strength, min ksi [MPa] | Yield Strength, min ksi [MPa] | Elongationin 2 in. or 50mm,min,%A,B |
| TP304 | S30400 | 75 [515] | 30 [205] | 35 |
| TP304L | S30403 | 70 [485] | 25 [170] | 35 |
| TP304H | S30409 | 75 [515] | 30 [205] | 35 |
ASTM A249 TP304 Stainless Steel Welded Tube Application
1/2"-2" Plain end with black oil paint, caps both ends, bundles with loading belt.
2"-4" Beveled end with black oil paint, caps both ends, bundles with loading belt.
10"-20" Beveled end with black oil paint, caps both ends, loose packed into container.