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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 A268 TP439 Stainless Steel Seamless Tube Ferritic Stainless Steel Pipe
Specifications
ASTM A268 TP439 is a type of ferritic, chromium stainless steel tubing used for general corrosion and high-temperature service, especially in hot-water tanks and some automotive applications. It is a titanium-stabilized grade with good corrosion resistance, is magnetic, and does not typically require post-weld heat treatment. This tubing is available in both seamless and welded forms.
| American Standard | Standard Name |
| A 268 / SA 268 | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
ASTM A268 TP439 Stainless Steel Tube Chemical Composition
(Sources American Standard A268 / A268M TABLE 1 Chemical Requirements)
| Grade | TP 439 |
| UNS DesignationB | S43035 |
| Element | Composition, % |
| C, max | 0.07 |
| Mn, max | 1 |
| P, max | 0.04 |
| S, max | 0.03 |
| Si, max | 1 |
| Ni | 0.50max |
| Cr | 17.0-19.0 |
| Mo | … |
| Al, max | 0.15 |
| Cu, max | … |
| N, max | 0.04 |
| Ti | 0.20+4(C+N)min,1.10max |
ASTM A268 TP439 Stainless Steel Tube Mechanical Properties
(Sources American Standard A268 / A268M TABLE 3 Tensile Requirements)
| Grade and UNS Designation | Tensile strength, | Yield strength, | ElongationA |
| min, | min | in 2 in. or 50 | |
| ksi[MPa] | ksi[MPa] | mm, min,% | |
| TP 439 | 60[415] | 30[205] | 20 |
| S43035 |
ASTM A268 TP439 Stainless Steel Tube Application