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CangzhouZhongshunSteelPipeTradeCo.,Ltd.
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ASTM A672 C60 CL12 LSAW PIPE
Category :
Arts,crafts and gifts->Others->bracelet
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Product Specification
Model No:
30'' X STD
Country
CN
Brand
ZS
Packing
BARE
Minimum Order
1
Payment Term
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Product Detail
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Big straight seam welded pipe main production process</span>
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<span style="font-size:18px;">Agent: 1. The plate used in the manufacture of large diameter submerged-arc welding straight seam steel pipe, steel plate into the production line after the first full plate ultrasonic inspection;</span>
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<span style="font-size:18px;">2. The edge milling: through the two edges of the steel plate edge milling machine double-sided milling, make it meet the requirements of plate, plate edge parallelism and groove shape;</span>
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<span style="font-size:18px;">3. The bending edge: the use of bending machine for plate bending, make the edge of curvature;</span>
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<span style="font-size:18px;">4. Molding: on the JCO forming machine bending of the plate after half after many step punching, pressure into a "J" shape, and the other half of the steel plate bending, same pressure into a "C" shape, eventually forming the opening "O" shape.</span>
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<span style="font-size:18px;">5. Early welding: the forming of straight seam welded steel pipe joint with gas protection welding and continuous welding (MAG);</span>
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<span style="font-size:18px;">6. The welding: the columns more wire submerged arc welding wire (up to 4) in the straight seam welded steel pipe inside;</span>
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<span style="font-size:18px;">7. The welding: adopting many wire submerged arc welding of columns in the side of straight seam submerged arc welding steel pipe welding;</span>
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<span style="font-size:18px;">8. Ultrasonic inspection Ⅰ: inside and outside of straight seam welded steel pipe weld and weld on both sides of the base of 100% of the check;</span>
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<span style="font-size:18px;">9. X-ray Ⅰ: 100% of inside and outside weld X-ray industrial TV inspection, using image processing system to ensure the sensitivity of detection;</span>
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<span style="font-size:18px;">10. Hole enlargement of submerged arc welding and straight seam steel pipe length hole diameter in order to improve the size precision of steel tube, and improve the distribution of stress in steel tube.</span>
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<span style="font-size:18px;"> </span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Straight seam steel pipe welding seam welding</span>
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<span style="font-size:18px;">Two edges of straight seam steel pipe billet heating to welding temperature, under the extrusion of squeezing roller, forming a common metal grain interpenetrate, crystallization, eventually forming solid weld. If the extrusion pressure is too small, the amount of common crystal small, weld metal strength drops, stress produces after cracking; If the extrusion pressure is too large, will make molten metal being squeezed out of the seam, not only reduce the weld strength, and can produce a large number of inside and outside burr, even cause the welding seam defects such as.</span>
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<span style="font-size:18px;">Straight seam steel pipe weld after welding and extrusion can produce welding scar, need to be cleared. Remove method is fixed on the rack cutter, by the rapid movement of welded pipe, the welding scar leveling. Welded pipe inside burr is generally not cleared. Now with welded phi 32 x 2 mm straight seam welded pipe as an example, briefly describes its process parameters: strip specification: 2 x 98 mm bandwidth according to the path of development with a small amount of molding allowance; Material: steel Q235A; Input excitation voltage: 150 v excitation current: : 1.5 A frequency 50 hz; Output dc voltage: 11.5 kV dc current: 4 a: frequency 120000 hz; Welding speed: 50 metres per minute; Parameter adjustment: according to the welding line energy changes in a timely manner to adjust the output voltage and welding speed. Generally not adjusted after parameters are fixed.</span>
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<span style="font-size:18px;">High frequency induction coil should be close to squeeze roll as far as possible. Located away from the squeezing roller, induction coil, if effective heating time is longer, heat affected area is broad, weld strength; On the other hand, the lack of weld edge heating, bad after extrusion molding. Impedor is a magnet for or a compound tube, the impedance of cross-sectional area should not be less than steel pipe diameter usually 70% of the cross-sectional area, its role is to make the induction coil, pipe weld edge and magnet form a electromagnetic induction loop, proximity effect, eddy heat concentrated near the pipe weld edge, the tube billet is heated to the welding temperature. Impedance for a drag in the tube billet steel wire, the center should be relatively fixed position in the center of the close to squeeze roll. Powered on, due to the tube billet rapid movement, impedance device by pipe wall friction loss is bigger, often need to change.</span>
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<span style="font-size:18px;"> </span>
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<span style="font-size:18px;">JCOE Pipe for Gas Pipeline, Gas Pipeline JCOE Pipes | HSPC - JCOE Pipe for Gas Pipeline Supplier</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Product Line</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">JCOE LSAW steel pipeline</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Outer Diameter (OD)</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">457mm-1422mm (16"-56")</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Wall Thickness (W/T)</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">6mm-50mm</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Length (L)</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">5800mm-12300mm</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Material</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Q235,Q345,X42,X46,X52,X56,X60,X65,X70,X80,etc</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Standard</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">API Spec 5L(PSL1,PSL2), ASTM A252, ASTM A672, ISO3183, etc</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Annual Output</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">150,000 tons/year</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Products standards: ISO3183,APISpec 5LPSL2,API Spec 2B,GB/T9711 etc.</span>
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<span style="line-height:36px;font-family:Times New Roman;font-size:24px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">The application of JCOE pipe for gas pipeline</span>
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<span style="line-height:27px;font-family:Times New Roman;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">The pipe are mainly used as long diatance transportation pipeline for oil,gas,liquid coal etc. on land and offshore.And also can be applied as construction pipes on offshore platform, power station ,petrochemistry and city construction etc.</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">1.MOQ (Minimum Order Quantity): 50 tons per size for normal carbon steel pipe; 100tons per size for special steel pipe.</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">2.<span class="Apple-converted-space"> </span></span><span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Delivery Time: Mostly in 45 to 60 days.</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">3<span class="Apple-converted-space"> </span></span><span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Payment:</span><span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">30% T/T advance, 70% T/T or L/C at sight balance of copy of B/L.</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">4.<span class="Apple-converted-space"> </span></span><span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">Production Capacity: 150,000 tons per year.</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">--------------------------------------------------------------------------------------------------------------</span>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;">CONTACT DETAILS: </span>
</p>
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<span style="line-height:27px;font-family:inherit;font-size:18px;font-style:inherit;font-weight:inherit;vertical-align:baseline;"><img title="WG1O{%1T5Q[LD$K$6]@~OAD" alt="WG1O{%1T5Q[LD$K$6]@~OAD" src="http://i.bosscdn.com/product/ce/32/05/312b218e4a01f9e6ceee999bbb.png" /></span>
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</div>china-steelpipes.com
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