Factory Sales 4mm Diameter st45 st37 Hot Rolled Welded Carbon Steel Pipe
Type
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Materials
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API 5L /A53 /A106 GRADE B and other material which client inquired
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Size
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Outer Diameter
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17-914mm 3/8"-36"
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Wall Thickness
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SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80
SCH100 SCH120 SCH140 SCH160 XXS |
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Length
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Single random length/Double random length
5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request |
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Ends
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Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.
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Surface Treatment
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Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating
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Technical Methods
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Hot-rolled/Cold-drawn/Hot-expanded
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Testing Methods
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Pressure test,Flaw detection,Eddy current testing, Hydro static testing
or Ultrasonic examination and also with chemical and
physical property inspection |
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Packaging
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Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven
bags; Wooden cases;Suitable for lifting operation;Loaded in 20ft 40ft or 45ft container or in bulk; Also according to customer's requests |
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Origin
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China
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Application
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Conveying oil gas and water
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Third Party Inspection
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SGS BV MTC
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Trade Terms
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FOB CIF CFR
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Payment Terms
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FOB 30%T/T,70% before shipment
CIF 30% pre-payment and the balance to be paid before making shipment or Irrevocable 100% L/C at sight |
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MOQ
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10 tons
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Supply Capacity
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5000 T/M
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Delivery Time
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Usually within 10-45 days after receipt of advance payment
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Size Chart:
DN |
OD Outside Diameter |
ASTM A36 GR. A Round Steel Pipe | BS1387 EN10255 | ||||
SCH10S | STD SCH40 | LIGHT | MEDIUM | HEAVY | |||
MM | INCH | MM | (mm) | (mm) | (mm) | (mm) | (mm) |
15 | 1/2” | 21.3 | 2.11 | 2.77 | 2 | 2.6 | - |
20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
25 | 1” | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
50 | 2” | 60.3 | 2.77 | 3.91 | 2.9 | 3.6 | 4.5 |
65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.2 | 3.6 | 4.5 |
80 | 3” | 88.9 | 3.05 | 5.49 | 3.2 | 4 | 5 |
100 | 4” | 114.3 | 3.05 | 6.02 | 3.6 | 4.5 | 5.4 |
125 | 5” | 141.3 | 3.4 | 6.55 | - | 5 | 5.4 |
150 | 6” | 168.3 | 3.4 | 7.11 | - | 5 | 5.4 |
200 | 8” | 219.1 | 3.76 | 8.18 | - | - | - |
Main Application:
1. General welded pipes are used for the transportation of general lower pressure fluids such as water, gas, air, oil and heating steam.
2. Ordinary carbon steel wire casing (GB3640-88) is a steel pipe used to protect wires in electrical installation projects such as industrial and civil buildings, and installation of machinery and equipment.
3. Straight seam electric welded pipe (YB242-63) is a steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. It is usually divided into metric electric welded pipe, electric welded thin-walled pipe, transformer cooling oil pipe and so on.
4. The spiral seam submerged arc welded pipe for pressurized fluid transportation (SY5036-83) is made of hot-rolled steel strip coils, spirally formed at constant temperature, and welded by double-sided submerged arc welding. Seam steel pipe. The steel pipe has strong pressure bearing capacity, good welding performance, large steel pipe diameter, high transmission efficiency, and can save investment in laying pipelines. It is mainly used for pipelines transporting oil and natural gas.
5. Spiral seam high-frequency welded pipe for pressure fluid transportation (SY5038-83) is made of hot-rolled steel strip coils, spirally formed at constant temperature, welded by high-frequency lap welding, and used for pressure fluid transportation Spiral seam high frequency welded steel pipe. The diameter of the steel pipe is large, the transmission efficiency is high, and the investment in laying pipelines can be saved. It is mainly used for laying pipelines for transporting oil and natural gas.
6. The spiral seam submerged arc welded steel pipe (SY5037-83) for general low-pressure fluid transportation is made of hot-rolled steel strip coils, spirally formed at constant temperature, and made by double-sided automatic submerged arc welding or single-sided welding. Submerged arc welded steel pipes for general low-pressure fluid transportation such as water, gas, air and steam
Note:
1. Free sampling, 100% after-sales quality assurance, Support any payment method;
2. All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Process of production
First of all, raw material uncoiling: The billet used for it is generally steel plate or It is made of strip steel, then the coil is flattened, the flat end is cut and welded-looper-forming-welding-inner and outer weld bead removal-pre-correction-induction heat treatment-sizing and straightening-eddy current testing-cutting- Water pressure inspection—pickling—final quality inspection and size test, packaging—and then out of the warehouse.
Q: Are u a manufacturer?
A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China
Q: Can I have a trial order only several tons?
A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)
Q: Do u have payment superiority?
A: For big order, 30-90 days L/C can be acceptable.
Q: If sample free?
A: Sample free, but the buyer pays for the freight.
Q: Are you gold supplier and do trade assurance?
A: We seven years cold supplier and accept trade assurance.