Fashion Seamless 304 Welded Sanitary Hastelloy Piping Corrugated Stainless Steel Pipe With
| Product | Stainless Steel Pipe |
| Standard | ASTM, GB, JIS, DIN, EN, AISI |
| Steel Grade | 200 Series: 201,202 300 Series: 301,304,304L,316,316L,316Ti,309,310,317,321 400 Series: 409,410,420,430,436,444,441,440c Duplex Steel: 904L,2205,2507,2101,2520,2304 |
| Wall Thickness | 0.5mm-40mm |
| Outer Diameter | Seamless: 6mm-630mm; Welded: 10mm-2000mm. Square: 10x10-300x300mm. Rectangular: 10x20-600x800mm. |
| Length | 5800mm, 6000mm, as required. |
| Manufacturing Method | Cold Rolled, Hot Rolled |
| Surface | Primary, Bright Polished, Hairline, Mirror |
| Shape | Round, Square, Rectangular, Oval |
| Seam | Seamless, Welded (ERW,EFW,Seamless,Spiral Welded) |
| Color | Golden, Champagne gold, Rose gold, Bronze, Brass, etc. As required. |
| MOQ | 1 Ton |
| Free Samples | Available |
| Package | Seaworthy packing. |
| Leading time | Usually 7-15 days, if in stock 1-3 days. |
| Payment terms | T/T 30% for deposit. 70% balance before shipment |
| Delivery Terms | FOB/CIF/CFR/EXW |
| Raw Material Source | Tisco, Baosteel, Qingshan or as Your Request |
| Standard | ASTM A213/A312/A376/A279 /A789/A790/A450/A999ETC |
| Grade | TP 304,TP304L,TP316/316L/316TI |
| TP 309S,310S | |
| TP 347/347H,TP321/321H | |
| TP904L | |
| S31803,S32205,S32304,S32750 | |
| SAF2205,SAF2304,SAF2507 | |
| MOQ | 1 PCS |
| Manfacturing Method | Cold Drawing/Welding/Cold rolled |
| Outside Diameter Range | 6mm-508mm |
| Wall Thickness Range | 1mm-40mm |
| Length Range | 1M-12M |
| Pipe end | BE/PE |
| Chemical Composition and Mechanical Property | ||||||||||||||
| Chemical components | Mechanical Property | |||||||||||||
| Grade | C | Mn | P | S | Si | Cr | Ni | Yield | Tensile | Elongation | ||||
| Strength | strength | |||||||||||||
| (MPa) | (MPa) | % | ||||||||||||
| Max. | Max. | Max. | Max. | Max. | Min. | Max. | Min. | Max. | Max. | Min. | Max. | Min. | Min | |
| TP 304 | 0.08 | 2.00 | 0.05 | 0.03 | 1.00 | 18.00 | 20.00 | 8.00 | 11.0. | 540 | 515 | 240 | 205 | 35 |
| TP 304L | 0.04 | 2.00 | 0.05 | 0.03 | 1.00 | 18.00 | 20.00 | 8.00 | 12.00 | 485 | 170 | 35 | ||
| TP 309S | 0.08 | 2.00 | 0.05 | 0.03 | 1.00 | 22.00 | 24.00 | 12.00 | 15.00 | 600 | 515 | 310 | 205 | 35 |
| TP 310S | 0.08 | 2.00 | 0.05 | 0.03 | 1.00 | 24.00 | 26.00 | 19.00 | 22.00 | 515 | 205 | 35 | ||
| TP 316 | 0.08 | 2.00 | 0.05 | 0.03 | 1.00 | 16.00 | 18.00 | 10.00 | 14.00 | 515 | 450 | 205 | 200 | 35 |
| TP 316L | 0.04 | 2.00 | 0.05 | 0.03 | 1.00 | 16.00 | 18.00 | 10.00 | 14.00 | 485 | 170 | 35 | ||
Dimension Tolerance
| Permitted Variations in Wall Thickness | ||||||||
| Wall Thickness % | ||||||||
| Outside Diameter in. (mm) | 0.095(2.4) and under | Over 0.095 to 0.150 (2.4 to 3.8) incl | Over 0.150 to 0.0180 (3.8 to 4.6) incl | Over 0.180 (4.6) | ||||
| Over | Under | Over | Under | Over | Under | Over | Under | |
| Seamless, Hot-Finished Tubes | ||||||||
| 4(100)and under | 40 | 0 | 35 | 0 | 33 | 0 | 28 | 0 |
| Over 4(100) | 35 | 0 | 33 | 0 | 28 | 0 | ||
| Seamless, Cold-Finished Tubes | ||||||||
| Over | Under | |||||||
| 1½ (38.1) and under | 20 | 0 | ||||||
| Over 1½ (38.1) | 22 | 0 | ||||||
| Welded Tubes | ||||||||
| All sizes | 18 | 0 | ||||||
| Permitted Variations in Outside Diameter | ||
| Specified Outside Diameter | Permitted Variations in (mm) | |
| in(mm) | Over | Under |
| Hot-Finished Seamless Tubes | ||
| 4(100) or under | 1/64 (0.4) | 1/32 (0.8) |
| Over 4 to 7 ½ (100 to 200) incl | 1/64 (0.4) | 3/64 (1.2) |
| Over 7 ½ to 9 (200 to 225) incl | 1/64 (0.4) | 1/16 (1.6) |
| Welded Tubes and Cold-Finished Seamless Tubes | ||
| Under 1(25) | 0.004 (0.1) | 0.004 (0.1) |
| 1 to 1½ (25 to 40) incl | 0.006 (0.15) | 0.006 (0.15) |
| Over 1½ to 2 (40 to 50) excl | 0.008 (0.2) | 0.008 (0.2) |
| 2 to 2½ (50 to 65) excl | 0.010 (0.25) | 0.010 (0.25) |
| 2½ to 3 (65 to 75) excl | 0.012 (0.3) | 0.012 (0.3) |
| 3 to 4 (75 to 100) incl | 0.015 (0.38) | 0.015 (0.38) |
| Over 4 to 7 ½ (100 to 200) incl | 0.015 (0.38) | 0.025 (0.64) |
| Over 7 ½ to 9 (200 to 225) incl | 0.015 (0.38) | 0..045 (1.14) |
Stainless steel seamless pipe is resistant to air, steam, water and other weak corrosive media and acid, alkali, salt and other chemical corrosive media corrosion of the steel pipe. Also known as stainless acid-resistant steel pipe.
The corrosion resistance of stainless steel seamless pipe depends on the alloying elements contained in the steel. Chromium is the basic element that enables stainless steel to obtain corrosion resistance, when the chromium content of the steel reaches about 12%, chromium and oxygen in the corrosive medium, the role of the steel surface to form a very thin layer of oxidative film (self-passivation film), which prevents further corrosion of the steel matrix. In addition to chromium, stainless steel seamless tube commonly used alloying elements are nickel, molybdenum, titanium, niobium, copper, nitrogen and so on, in order to meet the requirements of a variety of uses on the organisation and properties of stainless steel.
Standard:
GB/T 14976 -- Chinese National Standard
EN10216-5 -- European Union standard
ASME SA312 -- American Society of Mechanical Engineers (ASME) standards
Main production steel pipe grades:
TP304H,TP316L,TP347H,TP321H,TP310S,SAF2507,SAF2205,SAF2304
Usage:
Stainless steel seamless pipe is widely used in petroleum, chemical, medical, food, light industry, machinery and instrumentation and other industrial pipelines and mechanical structural components. In addition, it is lighter in weight when the bending and torsion strength are the same, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used for the production of various conventional weapons, gun barrels, artillery shells and so on.
Product Overview
We are professional manufacturers and suppliers of stainless steel in China, offering high-quality stainless steel for a wide range of industrial and commercial applications. Our stainless steel are made from premium raw materials and undergo strict quality control processes to ensure superior performance, durability, and reliability.
| Parameter | Description | Common Values |
|---|---|---|
| Grade | Standard designation of stainless steel | 304, 316, 201, 430, etc. |
| Chemical Composition | Key elements (%) | - Cr: ≥10.5% - Ni: 8-12% (304/316) - Mo: 2-3% (316) - C: ≤0.08% |
| Density | Material density | 7.9-8.0 g/cm³ |
| Tensile Strength | Maximum stress under tension | 500-800 MPa |
| Yield Strength | Stress at which deformation becomes permanent | 200-500 MPa |
| Elongation | Ductility (percentage of stretch before fracture) | 30-50% |
| Melting Point | Temperature at which the material melts | 1400-1450°C |
| Corrosion Resistance | Resistance to oxidation and chemical attack | - 304: Good (general use) - 316: Excellent (marine/chemical environments) |
| Surface Finish | Post-processing treatment | 2B, BA, Mirror, Brushed, Sandblasted |
| Thickness | Available material thickness | 0.2mm - 100mm+ |
| Standards | International manufacturing standards | ASTM (e.g., ASTM A240), EN (e.g., 1.4301), JIS (e.g., SUS304) |
| Applications | Typical industrial uses | Construction, Food Processing, Medical Devices, Marine Equipment, Automotive |
All products undergo rigorous quality control checks at every stage of production.
Raw materials are sourced from trusted suppliers and meet international standards.
Finished products are tested for mechanical properties, chemical composition, and surface finish.
We are committed to delivering products that meet or exceed customer expectations.
The company has strong strength and has a professional and technical teamwith excellent technology and rich experience.The company has also introduced advanced production equipment andprocessing technology, which can provide customers with steel products ofvarious specifications and processing requirements. At the same time, thecompany has also established a complete after-sales service system to providecustomers with first-class services.
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