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| Selling Units: | Ton |
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| Package Type: | Loose package;Packaged in bundles(2Ton Max); bundled pipes with two slings at the both end for easy loading and discharging, end with plastic caps.; wooden cases; waterproof woven bag. |
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Packaging: Loose package;Packaged in bundles(2Ton Max); bundled pipes with two slings at the both end for easy loading and discharging, end with plastic caps.; wooden cases; waterproof woven bag.
Productivity: 110000 tons per year
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: 300 tons per day
Certificate: ISO9001
Payment Type: L/C,T/T,D/P,D/A,Paypal
Incoterm: FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery
Seamless steel pipe is a kind of round, square and rectangular steel with hollow section and no joints around. Seamless steel pipe is made of steel ingot or solid tube blank, which is perforated and then hot rolled, cold rolled or cold drawn.
Welded steel pipe is made from long flat pieces of steel that are curved into a tube shape and sealed along the seam.
| Feature | seamless | welded, seamed |
| Types | hot rolled seamless Carbon Steel Pipe cold rolled seamless Carbon Steel pipe cold drawn seamless carbon steel pipe | Electric-Resistance Welded Pipe Longitudinal Welded Pipe Spiral Welded Pipe |
| Standard | *astm a53, a333, a335, a355, a312, a179, a106, a106b, a105, a192, a519, a210, a671, a672, sa213 *jis G3445/3454/3455/3441/3444 *din17175, din1629, din1615, din2458, en10210 | a672, a795, a252, a53b, a53, a135, a500 |
| Technique | cold rolled, hot rolled, cold drawn | erw straight seam or spiral seam(efw available) |
| Outer Diameter | 50mm-630mm (1.96''-24.8'' hot rolled seamless steel pipe);
5mm-100mm (0.19''-3.93'' cold rolled/drawn seamless steel pipe) | 20mm-600mm (0.78''- 23.6'' straight seam weld steel pipe);
219mm-2020mm (8.62''-79.52'' spiral seam weld steel pipe). |
| Wall Thickness | 3mm-20mm (0.11''-0.78'' hot rolled seamless steel pipe);
0.5mm-3mm (0.01''-0.11'' cold rolled/drawn seamless steel pipe). | 1.0mm-12mm (0.03''-0.47'' straight seam weld steel pipe);
3mm-16mm (0.11''-0.62'' spiral seam weld steel pipe). |
| Length | 500mm-13000mm (19.6''-511.8'' or random length) | 300mm-12000mm(11.8''-472.4'' or random length) |
| Grade | 4140/4145/4130/4135/3087, ss400, c45, s235, s275jr, s355jr, s355j2h, p235gh tc2, p235 tr1, p235 tr2, sae1040/1020/1010/1070/1015/1018, stpg307, 40cr, 34crmo4, 20gr, 37mn, 16mnr, 20#, q345c, q195, q235c, 195c, s45c, st37/45/20/52/33 etc | sa 53 gr b, p91, q235b, q345b, q235, q195, st37, st44, s355, s135, s185, s235jr, s275jr, s355jr, etc |
| Shape | round, square, rectangular | |
| Pipe Ends | plain ends, beveled ends etc | |
| Surface Treatment | shot blasting/galvanized/painted as customer needs | |
| Customized | length, diameter, wall thickness etc | |
| Certificate | CE, ISO | |
| Supply ability | 20000 ton/month | |
| Delivery Time | stock size 10 days, customize size 15-25 days, large quantity please contact with our sales person. | |
| Packing | option one: plastic caps covered on both ends of pipes; option two: woven bag wrapped outside the pipes; option three: tied in bundle | |
| Application | oil/gas/water fluid transportation or construction, hydraulic precision machinery parts/power/boiler/petrochemical/building industry etc | |
| Inspection | accept the third party to check the goods quantity and quality | |
| Moq | please chat with us about your order | |
Mild steel welded tube
Welded pipe production line needs at least 7 sets of equipment, such as planing machine, pre-bending machine, forming machine, hydraulic testing machine, pre-welding machine, internal welding machine, external welding machine. the line adopts computer PLC control and famous brand machine which greatly improve efficiency of production.
According to different welding technique, there are straight seam, spiral seam etc, the basic production process is: Raw material uncoiling - leveling - end shearing and welding - looper - forming - welding - internal and external weld bead removal - pre-correction - induction heat treatment - sizing and straightening - eddy current testing - cutting - hydraulic inspection - pickling - final inspection (strict control) - packaging - shipment.
Product Application:
Carbon steel piping is a durable material made from carbon steel, a steel alloy with iron and carbon. Because of its strength and ability to withstand stress, it is used in a variety of heavy-duty industries like infrastructure, ships, distillers, and chemical fertilizer equipment. Some of the most common uses of carbon steel tubing are Building foundations, Transporting natural gases or oil, Boiler and condenser tubes, Transporting wastewater, Chemical Processing, High-pressure applications, Transporting sewage, Bollard construction, Shipbuilding, Shoring, Trash enclosures, Distillers, OEM applications etc
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.