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Address: H.Q.803, No.18 Baosheng Road, Songjiang, Shanghai, China
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Spezilla Tube Co., Ltd. (Shanghai) |
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Heavy Wall Schedule 5s 2 inch stainless steel tubing,Welding Thin Stainless Steel Tube
Stainless Steel Piping
A stainless steel pipe system is the product of choice for carrying
corrosive or sanitary fluids, slurries and gases, particularly
where high pressures, high temperatures or corrosive environments
are involved. As a result of the aesthetic properties of stainless
steel, pipe is often use in architectural applications.
Stainless steel pipe can generally be defined as a heavy wall thickness tubing, with dimensions as specified by the American National Standards Institute (ANSI). Pipe dimensions are nominated by outside diameter indicated by the NPS (imperial) or DN (metric) designator and sometimes referred to as the 'nominal bore' - and wall thickness, is determined by the schedule number. The standard ASME B36.19 covers these dimensions.
Stainless steel pipe and fittings are supplied in the annealed condition to facilitate fabrication and ensure best corrosion resistance. Atlas Steels can also supply stainless steel pipe with an abrasive polished finish suitable for architectural applications.
Welded pipe
Welded stainless steel pipe is manufactured from 2B or HRAP
stainless steel strip - formed (to shape) and longitudinally welded
to completed pipe. With the exception of very large pipe welds are
made without the addition of filler metal. Standard welded pipe is
in nominal lengths of 6.0 to 6.1 metres.
Manufacturing specification:
ASTM A312M - Austenitic
ASTM A358M - Austenitic (large diameter)
ASTM A790M - Duplex.
Seamless Pipe
Seamless stainless steel pipe is produced from hollow billets,
which are then drawn across dies until they reach the final desired
pipe size and wall thickness. Standard seamless pipe is in random
lengths of 6.0 to 7.5 metres.
Manufacturing specification:
ASTM A312M - Austenitic.
ASTM A790M - Duplex
| Pipes according to ASTM A312 | ||||||||
| Grade | C | Mn | P | S | Si | Cr | Ni | Mo |
| TP 304 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-11.0 | |
| TP 304L | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-13.0 | |
| TP 316L | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| Note: For small diameter or thin walls or both, where many drawing passes are required, a Carbon maximum of 0.040% is necessary in grades TP 304L and TP 316L. Small outside diameter tubes are defined as those less than 0.50 in. [12.7 mm] in outside diameter and light wall tubes as those less than 0.049 in. [1.20 mm] in average wall thickness (0.044 in. [1.10 mm] in minimum wall thickness). | ||||||||
| Pipe Type | NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|---|
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1/8″ |  | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1/4″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 3/8″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1/2″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 3/4″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1 1/4″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 1 1/2″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 2″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 2 1/2″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 3″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 4″ | | | | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M |
5″ | |
| | | |
| Stainless Steel Pipes ASTM A312/A358/A778, ASME B36.19M | 6″ | | | | |
