ASTM A268 TP430 TP439 Steel Tube
TP439 is an ASTM A268 stainless steel pipe grade, also known as 439 stainless steel.
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ASTM A268 TP430 TP439 Steel Tube
ASTM A268 is a standard specification for general-purpose seamless and welded ferritic and martensitic stainless steel tubing in grades TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, and TP446, which covers a wide range of nominal-wall, welded ferritic and martensitic stainless steel tubing and tubing for general corrosion-resistant and high-temperature applications. and martensitic stainless steel tubing, ASME SA268 is the replacement standard.
Product Properties
ASTM A268 TP410, TP430, TP439 Chemical Composition
| Grade: | TP410 | TP430 | TP439 |
|---|---|---|---|
| UNS | S41000 | S43000 | S43035 |
| C, Max | 0.15 | 0.12 | 0.07 |
| Mn,Max | 1.00 | 1.00 | 1.00 |
| P, Max | 0.04 | 0.04 | 0.040 |
| S, Max | 0.03 | 0.03 | 0.030 |
| Si, Max | 1.00 | 1.00 | 1.00 |
| Ni | … | … | 0.50max |
| Cr | 11.5-13.5 | 16.0-18.0 | 17.00-19.00 |
| Mo | … | … | … |
| Al | … | … | 0.15 |
| Cu | … | … | … |
| N | … | … | 0.04 |
| Ti | … | … | 0.20+4(C+N)Min, 1.10max |
ASTM A268 Stainless Steel Tubing Sizes Tolerance
| Outside Diameter, In.[Mm] | OD Tolerance, In.[Mm] | Wall Thickness, % | Thin Wall Tubes |
|---|---|---|---|
| Up To1⁄2, [12.7], Excl | ±0.005 [0.13] | ±15 | |
| 1⁄2 To 11⁄2 [12.7 To 38.1], Excl/Td> | ±0.005 [0.13] | ±10< | Less Than 0.065 In. [1.6 Mm] Nominal |
| 11⁄2 To 31⁄2 [38.1 To 88.9], Excl | ±0.010 [0.25] | ±10 | Less Than 0.095 In. [2.4 Mm] Nominal |
| 31⁄2 To 51⁄2 [88.9 To 139.7], Excl | ±0.015 [0.38] | ±10 | Less Than 0.150 In. [3.8 Mm] Nominal |
| 51⁄2 To 8 [139.7 To 203.2], Incl | ±0.030 [0.76] | ±10 | Less Than 0.150 In. [3.8 Mm] Nominal |
ASTM A268 TP439 Steel Tube
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FAQ
Q. Are you a factory or trading company?
A.We are professional manufacturer of steel pipe, and our company also is a very professional trade company for steel products. we can also provide a wide range of steel products.
Q. Can I get samples before ordering?
A.Yes, of course. Usually, our samples are free. we can produce your samples or technical drawings.
Q. What is ASTM A312 stainless steel?
A. ASTM A312 is a specification for seamless and welded austenitic stainless steel pipes that perform well in high-temperature and corrosive environments.
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