| STANDARD: | ASME SA269 ， ASTM A269 ， ASME SA789 ，ASTM A 789 ，EN10216-5 ， DIN17458， GO | MATERIAL: | TP304/304L/304H ， TP310S/310H， TP316L/316H/316Ti ，TP317/317L ， TP321/321H， TP347/347H 904L ， SAF2205， SAF2507， S31803， S32750， S32760 |
|---|---|---|---|
| OD: | 1/4′(6.35)， 3/8′(9.52)， 1/2′ (12.7)， 5/8′(15.88)， 3/4′ (19.05)， 1′(25.4) ， 1-1/4′(31.75)， 1-1/2′(38.1)， 2′ (50.8)， 2-1/2′(63.5) ， 3′ (76.2) | LENGTH: | 12ft (3657.6) ， 15ft (4572)， 16ft (4876.8)， 6m ， 20ft (6096) ， 24ft(7315.2 ) ，30ft (9144) |
| WT: | 0.889MM，1MM，1.2MM，1.5MM…. | SURFACE: | BA |
| High Light: | bright annealed stainless steel tube， stainless steel coil tube | ||
Bright Annealed Stainless Steel Tube With ASTM A213 / ASTM A269 Seamless Tube
ASTM A249 / A249M:Standard Specification for Welded Austenitic Steel Boiler， Superheater
Heat-Exchanger， and Condenser Tubes.
Other Standard:DIN 17456 ， DIN 17458， EN10216-5， GOST 9940-81， GOST 9941-81， JIS-G3463，…
Material Grade:
| American Standard | Austenitic Steel: TP304，TP304L，TP304H， TP304N， TP310S，TP316，TP316L，TP316Ti，TP316H， TP317，TP317L， TP321， TP321H，TP347， TP347H，904L… Duplex Steel : S32101，S32205，S31803，S32304，S32750， S32760 Others:TP405，TP409， TP410， TP430， TP439，… |
| 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 | 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 |
| BoilerTube | 6.00mm to 101.6mm | 0.5mm to 8mm |
Final Finishing
Solution Annealed & Pickled / Bright Annealed.
Type of Tubes:
U-bend & Straight.
Some of the quality tests carried out by us includes:
| 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 |
Size Range:Seamless Tube(OD: Φ6mm-Φ76mm WT: 0.15mm-4.0mm， Length:Max. 500M/pc)
Supplementary Testing : Apart from the above mentioned tests， we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
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Application:
Bright annealed stainless steel welded pipe is widely used in making military products， semiconductor， biological medicine， precision instruments and meters， hydraulic parts and many other industrial products.
