ASTM A269 TP304 Description
ASTM A269 is a standard developed by the American Society for Testing and Materials (ASTM), which specifies the standard specifications for seamless and welded stainless steel pipes for general service,which covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service.
Grade 304 is a 300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel.Chromium is the basic element to make stainless steel corrosion resistance. When the chromium content in steel reaches about 12%, chromium reacts with oxygen in the corrosive medium to form a thin oxide layer on the surface of stainless steel, which can prevent further corrosion of the steel matrix.
Stainless steel pipes are in different grades, categories and in shapes.Stainless steel pipes are being manufactured in different shapes,sizes, schedules and diameters as every application requires different size and diameter. HNJBL stainless pipes are available in different grades,as grade 201,304,304L,316,316L,etc.Stainless steel tubing is easy to weld, cut, bend, and be processed into various shapes and sizes according to specific needs to adapt to different application scenarios.
Stainless Steel Pipe Specification
| Item | Stainless Steel Pipe/Tube |
| Grade | 200 series,300 series,400 series |
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296 |
| Material | 304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202,etc |
| Surface | Polishing,annealing,pickling,bright,etc |
| Type | hot rolled,cold rolled,seamless,welded |
| stainless steel round pipe/tube |
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 1mm-150mm(SCH10-XXS) |
| stainless steel square pipe/tube |
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 4mm*4mm-800mm*800mm |
| stainless steel rectangular pipe/tube |
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 1mm-150mm(SCH10-XXS) |
| Length | 4000mm,5800mm,6000mm,12000mm,or as required. |
| Packing | Standard Seaworthy Package,or as requirement |
| Port | Tianjin,Qingdao,Shanghai port,any port in China is available |
ASTM A269 TP304 Stainless Steel Seamless Pipe Available Size
NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|---|
1/8″ | √ | √ | √ | √ | √ |
1/4″ | √ | √ | √ | √ | √ |
3/8″ | √ | √ | √ | √ | √ |
1/2″ | √ | √ | √ | √ | √ |
3/4″ | √ | √ | √ | √ | √ |
1″ | √ | √ | √ | √ | √ |
1 1/4″ | √ | √ | √ | √ | √ |
1 1/2″ | √ | √ | √ | √ | √ |
2″ | √ | √ | √ | √ | √ |
2 1/2″ | √ | √ | √ | √ | √ |
3″ | √ | √ | √ | √ | √ |
4″ | √ | √ | √ | √ | √ |
5″ | √ | √ | √ | √ | √ |
6″ | √ | √ | √ | √ | √ |
SS 304 Seamless Pipe Surface Finish
| Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) |
| Roughness Average(RA) | Roughness Average(RA) |
| μ inch | μm | μ inch | μm |
| AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
| BA | Beight Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| MP | Mechanical Polish | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| EP | Electro Polish | 15,10,7,5 | 0.38,0.25,0.20;0.13 | 32 | 0.8 |
SS Tube Surface Finish
Details:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sand blast,brush.
Multiple specifications are available.
Stainless Pipe End Protection:Plastic Caps
Ends:Plain End, Beveled End, Threaded
Stainless Tube Photo
Stainless Steel Pipe Packing:
Details:Standard Seaworthy Package,or as requirement
Port:Tianjin,Qingdao,Shanghai port,or as required
| Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
Stainless Steel Pipe FAQ
Q: What about Stainless steel pipe price information?
A: Negotiation.Prices vary due to changes in raw material prices on a regular basis.
Q: What are your company's main stainless steel products?
A: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.
Q: What are your payment terms?
A: We can accept the TT,LC or Negotiation
Q: How do you control quality?
A: Mill Test Certification is supplied with shipment, Third Party Inspection is available.
Q: Can I pay you a visit at your factory?
A: Customers from all around the world are welcome to visit our factory.
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ASTM A269 TP 304 SMLS Stainless Steel Seamless Pipe Images
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