| Standard: | ASTM A213， ASME A213 | Material Grade: | TP304， TP304L，TP316L， SUS04， SUS304L， SUS316L， 1.4404，1.4307，1.4301 |
|---|---|---|---|
| Type: | Seamless | Technique: | Cold Drawn |
| Outer Diameter: | 6-630mm | Thickness: | 1mm-40mm |
| Surface: | Pickling And Annealing | Applications: | Construction，Heat Exchanger，oil And Gas，Industry，boiler |
| High Light: | heat recovery pipe， seamless stainless steel tube | ||
ASTM A213 TP304， TP304L，TP316L Stainless Steel Seamless Heat Exchanger Tube
ASTM A213 TP304 / TP304L / TP316 / TP316L Stainless Steel Seamless Tubes are generally used in industries， like heat exchangers， boilers， petrochemical equipments， chemical equipments， oil plants， and so on. We offers stainless steel seamless tubes with high quality and good prices.
Material Grade:
| American Standard | Austenitic Steel: |
| Europen Standard | 1.4301，1.4307，1.4948，1.4541，1.4878，1.4550，1.4401，1.4404，1.4571，1.4438， 1.4841，1.4845，1.4539，1.4162， 1.4462， 1.4362， 1.4410， 1.4501 |
| Gost Standard | 08Х17Т，08Х13，12Х13，12Х17，15Х25Т，04Х18Н10，08Х20Н14С2， 08Х18Н12Б，10Х17Н13М2Т，10Х23Н18，08Х18Н10，08Х18Н10Т， 08Х18Н12Т，08Х17Н15М3Т，12Х18Н10Т，12Х18Н12Т，12Х18Н9， 17Х18Н9， 08Х22Н6Т， 06ХН28МДТ |
Size Range:
| Production | Outside Diameter | Wall Thickness |
| Heat Exchanger Tube | 1/2" to 48" | 0.5mm to 40mm |
Final Finishing
Solution Annealed & Pickled/Bright Annealed.
Type of Tubes:
U-bend & Straight.
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms， which ensures trouble-free expansion， welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage， and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation， every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
