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Stainless Steel Pipe
Surface | Polishing, annealing, pickling, bright | |||
Standard | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS | |||
Technique | Cold Rolled, Hot Rolled | |||
Grade | 304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 304N, 316L, 316N, 201, 202 | |||
Thickness | 0.4mm-30mm or customized | |||
Out diameter | 6mm-630mm or customized | |||
Length | 2000mm, 3000mm,4000mm, 5800mm, 6000mm,12000mm or as required | |||
Processing Type | Cutting, bending, welding | |||
Application | Widely used in petroleum, chemical, medical, food, light industry, machinery, instrument, electric power, nuclear, shipbuilding, bolier fields and other industrial pipeline and mechanical structure parts, etc. Pipes also can be made according to the customer's required. | |||
Lead Time | 7-15 working days after the receipt of 30% deposit | |||
Payment Terms | 30% TT in advance, 70% TT /70% LC at sight balance before shipment | |||
Price Terms | FOB, EXW, CIF, CFR | |||
Packing | Each tube in a plastic bag with size label outside and pack in small bundles or according to customer requirements | |||
| Surface | Surface finishing | Surface finishing methods | Main application |
| NO.1 | HR | Heat treatment after hot rolling, pickling, or with treatment | For without the purpose of the surface gloss |
| NO.2D | Without the SPM | Method of heat treatment after cold rolling, pickling surface roller with wool or eventually a light rolling a matte surface processing | General materials,building materials. |
| NO.2B | After SPM | Giving No.2 processing materials appropriate method of cold light sheen | General materials, building materials ( most of the goods are processed ) |
| BA | Bright annealed | Bright heat treatment after cold rolling , in order to be more shiny, cold light effect | Automotive parts, home appliances, vehicles, medical equipment, food equipment |
| NO.3 | Shiny, coarse grain processing | The NO.2D or NO.2B processing timber No. 100-120 polishing abrasive grinding belt | Building materials, kitchen supplies |
| NO.4 | After CPL | The NO.2D or NO.2B processing timber No. 150-180 polishing abrasive grinding belt | Building materials, kitchen supplies, vehicles, medical equipment, food equipment |
| 240# | Grinding of fine lines | The NO.2D or NO.2B processing timber 240 polishing abrasive grinding belt | Kitchen appliances |
| 320# | More than 240 lines of grinding | The NO.2D or NO.2B processing timber 320 polishing abrasive grinding belt | Kitchen appliances |
| 400# | Close to BA luster | The MO.2B timber 400 polishing wheel polishing method | Building materials, kitchen utensils |
| HL (hair lines) | Polishing line having a long continuous processing | In a suitable size ( usually mostly No. 150-240 grit ) abrasive tape for as long as the hair, having a continuous processing method of polishing line | The most common building materials processing |
| NO.6 | NO.4 processing less than the reflection , the extinction | NO.4 processing material used for polishing Tampico brushing | Building materials, decorative |
| NO.7 | Highly accurate reflectance mirror processing | No. 600 of the rotary buff with a polishing | Building materials, decorative |
| NO.8 | Highest reflectivity mirror finish | Fine particles of abrasive material in order polishing , mirror polishing with a polishing | Building materials, decorative, mirrors |
Grade | Chemical Composition (%) | Mechanieal Performece | |||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Hardness | |
201 | ≤0.15 | ≤1.00 | 5.5/7.5 | ≤0.060 | ≤0.03 | 3.5/5.5 | 16.0/18.0 | - | HB≤241,HRB≤100, HV≤240 |
304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0/11.0 | 18.00/20.00 | - | HB≤187,HRB≤90,HV≤200 |
316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
410 | ≤0.15 | ≤1.00 | ≤1.25 | ≤0.060 | ≤0.03 | ≤0.060 | 11.5/13.5 | - | HB≤183, HRB≤88 HV≤200 |
430 | ≤0.12 | ≤1.00 | ≤1.25 | ≤0.040 | ≤0.03 | - | 16.00/18.00 | - | HB≤183, HRB≤88 HV≤200 |
Stainless steel pipes's main three uses:
1. stainless steel decorative pipe
In fact, it is used as a decorative stainless steel pipe, mainly divided into 201,304 and 316 pipes, mainly in stainless steel anti-theft windows, stair guardrail, stair handrails and other widely used. According to the types, decorative tube can also be divided into ordinary tube, flower tube, color tube and so on.
Stainless steel ordinary pipe features: simple production process, specifications;
Stainless steel flower tube features: Stainless steel flower tube is upgraded above stainless steel ordinary tube, to make it more beautiful.
Stainless steel color tube features: Stainless steel color tube surface is coated with a layer of bright color coating, any specifications can be added to the ordinary pipe on the corresponding processing method.
2. stainless steel industrial pipe
Divided into seamless pipe and welded pipe.
Production process: Most of them are welded tubes, welded by stainless steel coil and electric welding, and inserted into a certain thickness of the sheet after hot melting, and then injected the required sheet. The tube cavity is decorated with stainless steel plate. Stainless steel seamless pipe is produced by cold drawing process, and the pipe wall is seamless.
Pipe surface: The welded pipe is a stainless steel pipe made by rolling processing, and the pipe surface is smooth and polishing. The surface of industrial seamless pipes is generally rough.
Thickness difference: 304 stainless steel decorative pipe thickness is thinner, about 0.2mm~5.0mm, and industrial seamless pipe is generally thicker.
Application: Because the stainless steel welded pipe is thin and the surface treatment effect is good, it is mostly used in architectural decoration products, civil decorative art stainless steel products and so on. The wall of stainless steel industrial pipe is thick and the surface is not smooth, the bearing capacity is strong, and it is mostly used for making large size, high strength, high toughness, mechanical systems and other products.
3. stainless steel products pipe
In general, stainless steel products pipe refers to the stainless steel pipe specially customized by the stainless steel pipe manufacturer, because the ordinary stainless steel decorative pipe does not meet its use requirements. Generally according to the different needs of users, a variety of optimization design methods are adopted. For example, stainless steel furniture pipe, sanitary ware pipe and so on. Pipes need high workmanship requirements, generally have specific pipe diameter, bending, flaring, shrinking, bending and other requirements.
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