| API 5L/A53 GR.B, ERW Steel Pipe, Carbon Steel | ||||||
| Outside Diameter | Wall Thickness | Length | Quantity 数量 | Remark 标记 | EXW CHINA 出厂价 | |
| 外径 (mm) | 壁厚 (mm) | 长度 (mtr) | PCS 根数 | TON 吨位 | Surface,End | USD/TON 美金每吨 |
| 168.3 | 7.5 | 5.8 | 50 | 14.24 | BE. BARE | $515.82 |
| 355.6 | 6.8 | 6.5 | 75 | 10.86 | BE. BARE | $546.80 |
| 508.0 | 13.0 | 12 | 6 | 2.94 | BE. BARE | $560.27 |
| 114.3 | 9.5 | 6 | 30 | 14.30 | BE. BARE | $583.16 |
| 273.0 | 8.5 | 11.8 | 30 | 54.91 | BE. BARE | $518.52 |
| 139.7 | 4.9 | 6.5 | 23 | 2.55 | BE. BLACK | $507.74 |
| 219.1 | 10.5 | 6 | 56 | 22.20 | BE. BLACK | $531.99 |
| 273.0 | 9.3 | 12 | 23 | 17.04 | BE. BLACK | $523.91 |
| 355.6 | 12.7 | 6 | 30 | 13.10 | BE. BLACK | $565.66 |
| 406.4 | 6.4 | 12 | 70 | 40.75 | BE. BLACK | $552.19 |
| 33.4 | 3.5 | 6 | 132 | 2.04 | BLACK | $504.62 |
| 48.3 | 4.25 | 6 | 56 | 1.55 | BLACK | $516.92 |
| 73 | 5.5 | 6 | 42 | 2.31 | BLACK | $523.76 |
| 76.1 | 5.5 | 6 | 110 | 6.32 | BE. BLACK | $521.03 |
| 108 | 6.5 | 6 | 59 | 5.76 | BLACK | $552.48 |
| 127 | 5.6 | 6 | 73 | 7.34 | BE. BLACK | $501.48 |
| 133 | 7.7 | 6 | 142 | 20.27 | BLACK | $493.68 |
| 152 | 4.3 | 6 | 230 | 21.61 | BE. BLACK | $497.48 |
| 165 | 6.0 | 6 | 114 | 16.09 | BE. BLACK | $505.98 |
| 168.3 | 3.5 | 6 | 165 | 14.08 | BLACK | $490.94 |
| 26.7 | 2.87 | 6.1 | 198 | 2.04 | BLACK | $507.94 |
| 42.2 | 3.56 | 6 | 345 | 7.02 | BLACK | $498.58 |
| 48.3 | 3.7 | 5.8 | 129 | 3.03 | BLACK | $489.22 |
| 33.4 | 3.9 | 5.8 | 432 | 7.12 | BE. BLACK | $489.22 |
| 73 | 3.4 | 5.8 | 368 | 12.39 | BE. BLACK | $498.58 |
| 159 | 6.0 | 6.1 | 123 | 16.99 | BE. BLACK | $481.20 |
| 273 | 9.3 | 6.1 | 301 | 110.70 | BE. BLACK | $514.62 |
| 133 | 6.5 | 5.8 | 220 | 25.87 | BE. BLACK | $485.21 |
| 178 | 8.0 | 5.8 | 206 | 40.07 | BE. BLACK | $491.90 |
| 168.3 | 7.1 | 6 | 188 | 31.88 | BE. BLACK | $490.56 |
| Note: 1. The above price is based on bare pipe, for extra coating, please contact sales@primesteeltube.com; | ||||||
| 2. The above price is based on EXW, for FOB/CIF/CFR price, please contact sales@primesteeltube.com; | ||||||
| 3. The above price is not including any packing and end processing charge, for detailed quotation, please contact sales@primesteeltube.com; | ||||||
| 4. The above price is only valide during NOV 11- 18; | ||||||
| 5. The applicapable MOQ for this price list is over 25 tons; | ||||||
2016年11月10日星期四
In Stock ERW Steel Pipe Price 2016/11/11
2016年11月8日星期二
Difficulties in Wall Thickness Control for Straight Seam Steel Pipe Process
Straight seam steel pipe wall thickness control is a difficult production. At present, the straight seam steel pipe manufacturers to improve the wall thickness in the production of precision uses the methods generally including:
1, Tube heating
Heating to the average to prevent rapid up and down temperature. Each take-off and landing temperature is to maintain a smooth slow, the maximum rise and fall temperature does not exceed 30 ℃.
2, Rolling mill mandrel
Average wall thickness of thick wall tube and solid billet make the probability of mandrel bending deformation significantly reduced, can effectively improve the wall thickness of the precision.
3, The accuracy of mandrel
The outer core of the machining accuracy control in ± 0.1mm, mandrel straightness bias does not exceed 5mm. Welding, the two core rods between the piercing a finishing pin positioning, welding in order to avoid the formation of the total straightness bias is too large.
4, The perfect process
Determing whether the centering roll device in place, adjust the relevant core roller in the middle, open the angle and the size of the initiative of the same opening, the middle of the rolling core in the rolling line.
5, Centering roller
Perfect process is to avoid the center pull thin and wall thickness beyond the control limitations of the state of attack, improve wall thickness accuracy.
6, Perforated mandrel
General choice of perforated mandrel diameter Φ108mm-Φ114mm, wall thickness requirements ≥ 25mm and wall thickness of the average thick-walled tube.
7, Rolling the middle line
Making sure that the middle line of the piercing mill is consistent with the middle line of the piercing trolley to prevent "upper rolling" or "lower rolling", so that the billet sticks to the average force during the piercing.
8, Rolling things
On the wear of the head, guide, roll and other rolling things to be real-time change.
9, Rolling things device
Roller distance, the distance must be in the middle of the rolling line. Guaranteed the distance between the guide and the middle of the roller in the middle of the piercing rolling, the upper and lower roller equal to the left and right lead from the same.
1, Tube heating
Heating to the average to prevent rapid up and down temperature. Each take-off and landing temperature is to maintain a smooth slow, the maximum rise and fall temperature does not exceed 30 ℃.
2, Rolling mill mandrel
Average wall thickness of thick wall tube and solid billet make the probability of mandrel bending deformation significantly reduced, can effectively improve the wall thickness of the precision.
3, The accuracy of mandrel
The outer core of the machining accuracy control in ± 0.1mm, mandrel straightness bias does not exceed 5mm. Welding, the two core rods between the piercing a finishing pin positioning, welding in order to avoid the formation of the total straightness bias is too large.
4, The perfect process
Determing whether the centering roll device in place, adjust the relevant core roller in the middle, open the angle and the size of the initiative of the same opening, the middle of the rolling core in the rolling line.
5, Centering roller
Perfect process is to avoid the center pull thin and wall thickness beyond the control limitations of the state of attack, improve wall thickness accuracy.
6, Perforated mandrel
General choice of perforated mandrel diameter Φ108mm-Φ114mm, wall thickness requirements ≥ 25mm and wall thickness of the average thick-walled tube.
7, Rolling the middle line
Making sure that the middle line of the piercing mill is consistent with the middle line of the piercing trolley to prevent "upper rolling" or "lower rolling", so that the billet sticks to the average force during the piercing.
8, Rolling things
On the wear of the head, guide, roll and other rolling things to be real-time change.
9, Rolling things device
Roller distance, the distance must be in the middle of the rolling line. Guaranteed the distance between the guide and the middle of the roller in the middle of the piercing rolling, the upper and lower roller equal to the left and right lead from the same.
2016年11月7日星期一
How to Weld for the ERW Steel Pipe in Winter
To ensure that the erw steel pipe in the winter welding perfect follow the following steps:
First, increase the welding current welding, slow down the welding speed, the appropriate increase in the cross-sectional area and length of the weld, if necessary, preheat.
Second, not outside the groove on the base metal to start arc, arc extinction to be filled when the pit.
Third, as far as possible not in low temperature conditions for bending, correction and assembly weldments.
Fourth, preheating before welding, welding process to strictly maintain the interlayer temperature should not be lower than the preheating temperature.
Fifth, the use of low hydrogen or ultra-low hydrogen welding materials.
Six, the entire weld should be finished as far as possible to avoid interruption.
First, increase the welding current welding, slow down the welding speed, the appropriate increase in the cross-sectional area and length of the weld, if necessary, preheat.
Second, not outside the groove on the base metal to start arc, arc extinction to be filled when the pit.
Third, as far as possible not in low temperature conditions for bending, correction and assembly weldments.
Fourth, preheating before welding, welding process to strictly maintain the interlayer temperature should not be lower than the preheating temperature.
Fifth, the use of low hydrogen or ultra-low hydrogen welding materials.
Six, the entire weld should be finished as far as possible to avoid interruption.
2016年11月6日星期日
Carbon Steel Alloy-ASTM A53
ASTM A53 is a carbon steel alloy,used as structural steel or for low-pressure plumbing.The alloy specifications are set by ASTM international,in specifications ASTM A53/A53M.
A53 pipe comes in three types and two grades,A53 Type F,which is longitudinally furnace butt welded or continuous welded（Grade A only）,A53 Type E，which is longitudinally electric resistance welded（Grades A and B），and A53 Type S,which is seamless pipe,produced by hot working,and possibly cold finishing,the steel（Grade A and B).ASTM A53 pipe is sized according to the nominal pipe size（NPS）system.It is commonly available with national pipe thread ends or with plain cut ends.It can be used for steam,water,and air conveyance.It is also weldable and can be used in structural application,although ASTM A500 tube,which is available in the same NPS
Sizes,is sometime preferred.
This is a standard set by the standards organization ASTM international,a voluntary standards development organizations that sets technical standards for materials,products,systems,and service.
2016年11月3日星期四
Chinese Large Diameter Steel Pipe has Damaged the Canadian Domestic Industry
On Octber 20, 2016, the Canadian International Trade Court (CITT) has made the final decision on Chinese large diameter carbon steel pipe and alloy steel pipe. They announced that the Chinese large diameter steel pipe has damaged the Canadian domestic industry. According to the provisions of the Canadain side from October 20 on the above mentioned products, anti-dupmingduties and countervailing duties.
2016年11月2日星期三
Two US oil companies will operate more than 3100 miles of oil line pipe
The US oil line pipe company American Midstream Partners LP said hat the company will acquire peer JPEnergy Partners LP. The transaction will be the whole stock exchange in the form of completion, and will create a valuation of $ 2 billion focus on oil and gas line pipe transportation and other areas of limited partnership. The deal valued JPEnergy's common stock at $ 8.63 per share, a premium of 14.5% to its closing price on Friday. The combined corporate headquarters will be located in Houston, the business will be mainly concentrated in the oil-rich region of North America.
Private equity firm ArcLight Capital Partners holds a stake in the companies in the above transactions. According to Thomson Reuters Group, lArcight holds a 15.6% stake in AmericanMidstream, which holds a 19.8% stake in JPEnergy. Lynn Bourdon, chief executive of AmericanMidstream, will lead the combined company. The combined company will own and operate more than 3,100 miles of oil line pipes.
Bank of America Merrill Lynch in the transaction as AmericanMidstream financial adviser, LockeLordLLP as its legal adviser. BMOCapitalMarkets acted as financial advisor to JPEnergy and Latham & Watkins acted as legal counsel.
2016年11月1日星期二
The Classification of Carbon Steel Pipe
The Classification of Carbon Steel Pipe
Classified by Production Methods
1. Seamless Steel Pipe - hot rolled seamless steel pipe, cold rolled seamless steel pipe, cold drawn seamless steel pipe
2. Welded Steel Pipe - longitudinal welded pipe, spiral welded pipe, electric resistance welded pipe
Classified by Cross-sectional Shape
1. Simple section steel pipe - round carbon steel pipe, square carbon steel pipe, rectangular carbon steel pipe, oval carbon steel pipe ect.
2. Complex section steel pipe - hexagonal carbon steel pipe with unequal edge, five plum shaped carbon steel pipe, double convex carbon stee pipe, double concave carbon steel pipe ect.
Classified by Wall Thickness
1. Thin walled carbon steel pipe
2. Thick walled carbon steel pipe
Classified by the Application
Carbon steel pipe can be used for thermal equipment, machinery industrial pipe, oil line pipe, geological drilling steel pipe, container steel pipe, chemical industry steel pipe, and other special purpose steel pipe.
Classified by Production Methods
1. Seamless Steel Pipe - hot rolled seamless steel pipe, cold rolled seamless steel pipe, cold drawn seamless steel pipe
2. Welded Steel Pipe - longitudinal welded pipe, spiral welded pipe, electric resistance welded pipe
Classified by Cross-sectional Shape
1. Simple section steel pipe - round carbon steel pipe, square carbon steel pipe, rectangular carbon steel pipe, oval carbon steel pipe ect.
2. Complex section steel pipe - hexagonal carbon steel pipe with unequal edge, five plum shaped carbon steel pipe, double convex carbon stee pipe, double concave carbon steel pipe ect.
Classified by Wall Thickness
1. Thin walled carbon steel pipe
2. Thick walled carbon steel pipe
Classified by the Application
Carbon steel pipe can be used for thermal equipment, machinery industrial pipe, oil line pipe, geological drilling steel pipe, container steel pipe, chemical industry steel pipe, and other special purpose steel pipe.
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