Портативный комфортный Флокированный надувной матрас двойного размера для кемпинга
23,60 $ - 28,20 $
EN 10305 4 E235 E255 E355 N точные бесшовные Холоднотянутые трубы для гидравлики
- Категория: >>>
- Поставщик: Tianjin Boer King Steel Import And Export Co. Ltd.
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Описание и отзывы
Характеристики
N 10305-4 E235 E255 E355 +N precisin seamless cold drawn tubes for hydraulic and pneumatic pressure line
Product Description
EN10305-4 hydraulic seamless steel tube inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface antirust processing, widely used in the hydraulic system in steel tube, and injection molding machine with a steel tube, hydraulic press with steel, ship system with steel tube, EVA foam hydraulic machinery, precision hydraulic steel pipe cutting machine, shoe-making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry.
Chemical Composition and Mechanical Performance:
Table 1- Chemical composition | ||||||
Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 |
|
E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 |
|
E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 |
|
Table 2 - Mechanical properties at room temperature | |||||||||
Delivery Condition | BK | BKW | GBK | NBK (N) | |||||
Steel Grade | Rm | A % | Rm | A % | Rm | A % | Rm | ReH | A % |
Mpa (Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | Mpa(Min) | (Min) | |
E215 | 430 | 8 | 380 | 12 | 280 | 30 | 290~430 | 215 | 30 |
E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340~480 | 235 | 25 |
E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440~570 | 255 | 21 |
E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490~630 | 355 | 22 |
Other Specification:
End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements | |
Surface Treatment | Oiled, Galvanized, Phosphate etc | |
Technique | Cold drawn & cold rolled | |
Application | 1. Automotive and mechanical pipes | |
2. Petroleum cracking pipes | ||
3. High Pressure Boiler Pipe | ||
4. Low and middle pressure fluid transportation pipeline | ||
5. Chemical fertilizer equipment pipes | ||
6. Heat exchanger pipes | ||
Delivery Conditions | 1. BK (+C) | No heat treatment after last cold forming process. |
2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) | |
3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. | |
4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
5. NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
Package | 1. Bundle Packing. | |
2. Plain end or vanished as per customer's request. | ||
3. Wrapped in waterproof paper. | ||
4. Sackcloth with several steel strips. | ||
5. Pack in heavy tri-wall boxes. | ||
Carbon steel precision st45 cold drawn seamless steel pipe&tube
Specifiation:
Standard | Carbon steel precision st45 cold drawn seamless steel pipe&tube |
Grade | ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45# |
O.D. | 30MM-400MM |
W.T. | 2-30mm |
Surface Treatment | Polished , cold drawn , cold rolled, honed, anneal, Srb , od polished |
Packing | 1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer request |
Condirion of Delivery | 1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee
|
Standard specifications and steel grades of precision tubes can be DIN 2391-2 ST35,ST45,ST52, EN 10305-1 E195,E235,E355,C35E,C45E,25CrMo4,42CrMo4.
Heat Treating Method/Delivery Condition:
Product Show
Production Line
N10305-4 hydraulic seamless steel tube adopts high-precision and bright seamless steel tube to electrogalvanize the steel tube, plating yellow zinc (color zinc) on the inner and outer wall of the steel tube, white zinc, passivation treatment, the length of galvanized steel tube can be within 6 meters. Mainly used for automotive, military, aircraft, agricultural and forestry machinery, engineering machinery, railway vehicles and other industries hydraulic steel pipe; Clamp sleeve (steel tube) joint; DIN2391 steel pipe; Marine steel tubes (CCS steel tubes); Galvanized steel pipe; Black phosphating steel tube; High pressure tubing; Hydraulic system steel pipe; Bentler steel tube; Color (yellow white) zinc steel tube; Injection molding machine steel pipe; Die casting machine steel tube; Hydraulic steel pipe; Steel tubes for ships; Precision seamless steel tube; Steel tubes for mechanical pavement construction; Precision cold-drawn seamless steel tube; High pressure steel pipe (oil pressure steel pipe); Precision hydraulic seamless steel tube; Automobile hydraulic steel pipe, hydraulic steel pipe, precision seamless steel pipe, Marine, automobile, DIN2391, EN10305, ST37.5, ST35, NBK, GBK,BKS,BK, hydraulic steel pipe; Clamp sleeve (steel tube) joint; DIN2391 steel pipe; Precision steel tube; Galvanized steel pipe; Phosphating steel pipe, Specifications are 4*1.0, 6*1.0, 6*1.5, 6*2.0, 8*1.5, 8*2.0, 10*1.0, 12*1.0, 12*1.5, 12*2.0, 12*2.5, 12*2.5, 14*1.5, 15*1.5, 15*2.0, 15*2.5, 16*3.0, 18*1.5, 18*2.0, 18*2.5, 18*3.0, 20*2.0, 20*2.5, 20*3.0, 22*2.0, 22*2.5, 22*3.0, 22*4.0, 22*4.0, 25*2.0, 25*2.5, 25*3.0, 25*4.0, 28*2.0, 28*2.5, 28*3.0, 28*4.0, 30*2.5, 30*3.0, 30*4.0, 30*4.0, 32*2.5, 32*3.0, 32*4.0, 32*4.0, 34*3.0, 34*4.0, 38* 2.0, 42*3.0, 42*4.0, 42*4.0, 42*2.0, 42*3.0, 42*4.0, 42*4.0, 42*5 0, 48*4.0, 48*5.0, 50*5.0, 60*4.0, 60*5.0, 60*6.0, etc.
Quality Control
Product inspection
Company Information
Tianjin Boer King Steel Co.,Ltd. is the production, processing, sales - based steel tube enterprises. The steel tubes produced by the company are DIN2391 series seamless steel tubes with high precision. Steel tubes are made of the superior billet materials provided by baosteel, and the production process strictly implements the quality system iso9001:2000 standard, and adopts advanced modern production management and quality management, so as to obtain the excellence of steel tube quality technology. Steel tube after acid pickling, cold rolling, cold drawing, and then adopt advanced technology for high temperature heat treatment (NBK status) to produce steel pipes with surface: bright, smooth, with high precision, high finish, both inside and outside wall without oxidation layer, internal and external wall of high precision, mechanical performance under the adaptation in any Angle bending, and can bear high pressure, cold bending deformation, flaring, flattening, tensile and other requirements, do steel tube cold bending don't burst, no cracks, no oxide layer and the internal and external wall, etc.
The production of the precision steel tube is the seamless tube after the precision cold drawing through anaerobic tempering treatment to eliminate the surface and internal stress and then after the phosphating anti-rust treatment. The product has high dimensional accuracy, good ductility, easy to be machined and bent into various desired shapes, while the pipe section will not shrink or become flat; The surface of the pipe is of high precision, and the surface hardness is moderate and easy to be connected with the sleeve after anaerobic tempering treatment. The inner hole and the surface can be installed directly without pickling and derusting after phosphating anti-rust treatment.
Main products: hydraulic steel tube, hydraulic seamless steel tube, precision hydraulic seamless steel tube, precision seamless steel tube, cold-drawn seamless steel tube, cold-drawn precision seamless steel tube, EN10305 seamless steel tube, EN10305 hydraulic seamless steel tube: steel tube, seamless tube. Seamless steel pipe, seamless steel pipe specifications, seamless steel pipe, seamless steel tube standard, seamless steel pipe specifications, precision seamless steel tube, precision hydraulic seamless steel tube, cold drawn precision seamless steel tube, cold rolled precision seamless steel tube, high precision seamless steel tube, precision seamless steel tube. The hydraulic system for steel pipe, Marine steel pipe, seamless steel pipe, Marine DIN2391 precision seamless steel tube/EN10305 precision seamless tube/EN10305 precision hydraulic confined with cold drawn seamless steel tube/EN10216 precision seamless steel tubes, regular material for: ST35 seamless steel tube, ST37.4 hydraulic seamless steel tube, ST52 seamless steel tube, ST52.4 hydraulic seamless steel tube, E235 precision seamless steel tube, E355 precision seamless steel tube, E255 precision seamless steel tube
Exhibitions
Our Certificates
Contact Information
Contact: Cindy Yang
Tianjin Boer King Steel IMP&EXP Co.,Ltd
Add: No.602,Shuanggang Development Zone,Tianjin,300350 China.
Tel: 0086-22-28577880-603
Fax: 0086-22-28577888
Cell Phone: 0086-13622011358(Whatsapp)
Skype: cindybabyblue
E-mail: exportsale2(at)boerking.com
Web: //www.boerking.com
Products Showroom: //www.boerking.en.alibaba.com
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