Shandong Qianlin Metal Materials Co., Ltd. is a large enterprise specializing in the production and sale of seamless steel pipes. It is a cooperative partner with various steel pipe factories, including Tianjin DaWu Seamless Steel Pipe Factory, Baotou Steel Pipe Factory, Chengdu Seamless Steel Pipe Factory, Anshan Steel Pipe Factory, and Baosteel Steel Pipe Factory, offering products such as seamless pipes, precision drawn pipes, cold drawn pipes, precision rolled pipes, precision drawn pipes, cold drawn seamless pipes, precision rolled seamless pipes, precision drawn seamless pipes, square pipes, seamless square pipes, rectangular pipes, square-rectangular pipes, seamless square-rectangular pipes, Q345BCDE seamless square pipes, grouting pipes, pipe shed pipes, advance small diameter steel pipes, grouting steel flower pipes, 20# seamless steel pipes, 35# seamless steel pipes, 16Mn seamless steel pipes, Q345B seamless steel pipes, Q355B seamless steel pipes, 45# seamless steel pipes, 20Cr seamless steel pipes, 40Cr seamless steel pipes, 20G seamless steel pipes, 35CrMo seamless steel pipes, 42CrMo seamless steel pipes, and 27SiMn seamless steel pipes. The legal representatives of these enterprises are shareholders and partners. Since its establishment, the company has consistently adhered to the business philosophy of "surviving on quality, developing on products, ensuring cooperation on reputation, and winning customers with service." Guided by this philosophy, the company has been selling and distributing products year-round as a general agent, including seamless pipes, stainless steel seamless pipes, and alloy pipes from major steel mills such as Tianjin Seamless Steel Pipe Factory, Chengdu Pangang, Baogang,冶钢, Baosteel, and Anshan Steel. The company possesses modern large outdoor and indoor storage facilities, with a reserve of over 3,000 tons.

Applications: Suitable for mechanical structures, hydraulic equipment, cylinders, drums, parts processing, automotive (motorcycle) accessories, diamond thin-wall drill bits. Electrical towers, lightning rods, lamp poles, lightning rods, communication towers, monitoring towers, lightning protection facilities, process towers, wind lightning rods, power plant lightning rods, electric power lightning rods, power station lightning rods, substation lightning rods. Production Range and Tolerance: 10-108mm * 1-14mm, tolerance 2-10 thousandths. Product Features: Our cold drawn seamless pipes have no blisters, scratches, cracks, or peeled edges, with smooth and bright inner and outer surfaces, significantly superior to ordinary cold drawn pipes, with a small tolerance of 2 thousandths. Therefore, they are commonly used in fields with high requirements for accuracy and finish to enhance product quality and reduce processing costs.

Seamless steel pipe calculation formula: [(Outer Diameter - Wall Thickness) * Wall Thickness] * 0.02466 = kg/m (weight per meter)

Services available: Drilling, cutting, sawing, flattening, chamfering, boring, honing, threading, piercing, degreasing, packaging, centerless grinding, reaming, and oxygen-free annealing.

Precision Drawn Steel Pipes (precision tube, cold drawn tube, precision polished tube) Technical Characteristics: Inner and outer diameter accuracy can be controlled at ≤0.05mm, ellipticity ≤0.1mm, smooth outer surface without cracks or scaling, small wall thickness error, and good straightness. Steel pipe weight calculation formula: [(outer diameter - wall thickness) * wall thickness] * 0.02466 = kg/m (weight per meter). We can provide you with services such as cutting, chamfering, oil cleaning, packaging, centerless grinding, and cold working for steel pipes.

Cold Drawn Steel Pipe

Production Range: Seamless Cold Drawn Steel Tubing, ø16-40*2-10

Prices for small-diameter cold-drawn seamless steel tubes in Liaocheng market, from south to north, show a clear price advantage. Our company, with superior quality, low prices, and full specifications, leads in Liaocheng (nationwide) market. Special specifications can be custom-manufactured. Welcome all new and old customers to call for negotiations.

Characteristics of Cold Drawn Precision Steel Tubes

1. Smaller outer diameter.

2. High precision for small batch production.

3. Cold drawn finished products have high precision and a good surface finish.

4. The cross-sectional area of steel pipes is more complex.

5. The steel pipes offer superior performance with a denser metal composition.

Section 2: Precision rolling mill produces precision drawn steel pipes (precision drawn tube, cold drawn tube, polished bright tube)

Production Range: 8-219mm x 0.5-30mm. Our precision drawn steel tubes (precision drawn tubes, cold drawn tubes, precision polished tubes) have a high degree of precision drawing, achievable within 3 microns, and offer high smoothness, uniform wall thickness, and are free from scratches, marks, or burrs. We offer custom production and a minimum order quantity of one ton. Materials include 10#, 20#, 35#, 45#, 40Cr, 16Mn, etc. Please call for detailed inquiries and place your order!

Note: Our precision drawn steel tubes (precision drawn tube, cold drawn tube, precision polished tube) offer significant price advantages for wall thicknesses of 2mm or more and tolerances of ±0.05mm.

Categories

Cold drawn seamless steel tubes, cold drawn precision seamless steel tubes, cold drawn bright seamless steel tubes, cold rolled precision seamless steel tubes, high precision cold drawn seamless steel tubes, cold drawn polished seamless steel tubes.

Fine drawn capillary tubes (stainless steel capillary tubes) are mainly used in: chemical industry, environmental protection engineering, pharmaceutical engineering, grain processing, beverage production, winemaking industry, instrumentation, machinery and equipment, air conditioning refrigeration, car pressure reducers, motorcycle pressure reducers, hydraulic cylinders, pneumatic cylinders, and gas springs. The high degree of cold-rolled fine drawn capillary tubes can be controlled within ±0.025 microns, and the steel tubes can ensure bending, flattening, expanding, and narrowing. The products can be provided with free burlap bags, plastic packaging, or custom wooden box packaging!

Features

Steel pipes with no oxidation layer on the inner and outer walls, capable of withstanding high pressure, no leakage, high precision拉伸, high cleanliness, cold bending, expanding, flattening without cracks, surface anti-rust treatment. Suitable for steel pipes used in hydraulic systems, injection molding machines, hydraulic presses, shipbuilding, EVA foam hydraulic machinery, precision拉伸 hydraulic cutting machines, shoe-making machinery, hydraulic equipment, high-pressure oil hoses, hydraulic oil hoses, sleeve joints, pipe joints, rubber machinery, forging machinery, die casting machinery, construction machinery, concrete pump trucks, sanitation vehicles, automotive industry, shipbuilding industry, metal processing, diesel engines, internal combustion engines, air compressors, construction machinery, agricultural and forestry machinery, etc. Fully capable of replacing imported seamless steel pipes of the same standard.

Applications of the edited product include: Machinery and Equipment: woodworking machinery, ceramic machinery, papermaking machinery, glass machinery, food machinery, construction machinery, plastic machinery, textile machinery, jacks, hydraulic presses, etc.; Electrical Product Components: motor shafts, fan shafts, sewing machine shafts, etc.; Furniture: especially exported metal furniture such as coffee tables, chairs, outdoor furniture; Metal Utensils: gardening tools, barbecue grill frames, screws, anti-theft locks, etc.; Hardware Accessories: such as guides, keys, nuts, screws, round nails, hexagonal nails, and various standard components in different specifications; Automotive and Motorcycle Parts, etc.

Since its inception, the company has consistently adhered to the business philosophy of "surviving through quality, developing through products, ensuring cooperation through credibility, and winning customers through service." Guided by this philosophy, the company has been selling and distributing products year-round as a general agent, including seamless steel pipes from major steel mills such as Tianjin Seamless Steel Tube Factory, Chengdu Panshan, Baogang, Ye钢, Baosteel, and Anshan Iron and Steel, as well as stainless steel seamless steel pipes and alloy pipes. The company boasts modern large outdoor and indoor warehouses, equipped with over 3,000 tons of inventory.

Steel Pipe Production Process: Round steel - Cutting - Heating - Piercing - Billet - Inspection - Pickling - Grinding - Lubrication and Air Drying - Precision Drawing - Inspection - Cutting Ends - Bunding - Labeling - Finished Product Packaging — The company now owns a series of production equipment and a complete production line. Modern equipment includes: LG20, LG30, LG50, LG60, LG80, LG120, LG150, LD8-58 three-roll mill, and equipment for hot rolling, hot expansion, cold drawing, precision rolling, and cold drawing, etc.

Qianlin Metal Services Advantages: All tubing is self-manufactured and sold, ensuring quality and offering clear price advantages. We cater to both wholesale and retail—starting with a single piece, we are fully committed to your order, whether it's a sample or a small batch. All tubing sold comes with original material certificates or copies, giving you peace of mind. Samples can be sent first, and orders can be placed upon confirmation of the goods. We ship samples first after production, ensuring quality before full shipment, for your reassurance.

Our cold drawn seamless tube production equipment and highly skilled staff can customize cold drawn seamless steel tubes in various specifications and materials for you. Our products, with high precision and tight tolerances, are delivered on time. Welcome to place your order. Materials include 10#, 20#, 45#, 16Mn, 20Cr, 40Cr, 15CrMo, 35CrMo, etc.

Applications: Suitable for mechanical structures, hydraulic equipment, cylinders, drums, parts processing, automotive (motorcycle) accessories, diamond thin-wall drill bits. Production Range and Tolerance: 10-108*1-14mm, tolerance 2-10 microns.

Product Features: Our cold drawn seamless precision tubes are free of surface defects like pits, scratches, cracks, and scaling. Both the inner and outer surfaces are bright and smooth, with a much higher precision than standard cold drawn tubes, featuring a small tolerance of 0.02mm. Therefore, they are commonly used in fields with high requirements for precision and finish to enhance product quality and reduce processing costs.

Qianlin Metal Co., Ltd. Seamless Steel Pipe Catalog

⊙3*1

⊙5*1*2

⊙8*1*2

⊙10*1*2

⊙12*1*2*3

⊙14*1*2*3*4

⊙15*1*2*3

⊙16*1*2*2*3*4*5*6

⊙18*1*2*2*3*4*5*6

⊙20*1*2*2*3*4*5*6*8

⊙22*1*2*2*3*4*5*6*8

⊙25*1*2*2*3*4*5*6*8

⊙32*2*3*3*4*5*6*8*10

⊙40*2*3*3*4*5*6*8*10*12

⊙50*3*5*6*8*10*12*14*15

⊙57*3*5*6*8*10*12*14*15

⊙60*3*5*6*7*8*10*14*16*18*20

⊙73*5*6*7*12*14*16*18*20

⊙80*4*6*8*10*12*14*20

⊙89*4*5*6*8*10*12*14*16*18*16*18*20 

⊙95*6*8*10*12*14*16*18*20*25

⊙102*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙108*5*6*8*10*12*14*16*22*25*28*30 

⊙114*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙121*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙127*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙133*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙140*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙146*5*6*8*10*12*14*16*18*20*22*25*28*30 

⊙152*6*8*10*12*14*16*18*20*22*25*28*30 

⊙159*6*8*10*12*14*16*18*20*22*25*28*30*35 

⊙168*6*8*10*12*14*16*18*20*22*25*28*30*35*40 

⊙180*6*8*10*12*14*16*18*20*22*25*28*30*35*40 

⊙194*6*8*10*12*14*16*18*20*22*25*28*30*35*40 

⊙203*6*8*10*12*14*16*18*20*22*25*28*30*35*38*40*45*50*55*60 

⊙219*6*8*10*12*14*16*18*20*22*25*28*30*35*38*40*45*50*55*60 

⊙245*7*16*18*20*22*25*28*30*35*38*40*45*50*55*60*65 

⊙273*7*8*10*12*14*16*18*20*22*25*28*30*35*38*40*45*50*55*60*65*70 

⊙299*8*9*10*12*14*16*18*20*22*25*28*30*35*38*40*45*50*55*60*65*70 

⊙325*8*9*10*12*16*18*20*22*25*28*30*35*38*40*45*50*55*60*65*70 

⊙377*8*9*10*12*14*16*18*20*22*25*28*30*40*45*50*55*60*65*70 

⊙426*8*9*10*12*14*16*18*20*22*25*28*30*40*45*50*55*60*65*70

Company Philosophy: "Compared to quality, the same product is better; compared to price, the same quality is better; compared to service, the same price is better; and compared to reputation, the same service is better." Corporate Spirit: "Unity and struggle, hard work, dedication, and pragmatism in pursuit of innovation." The company seeks sincere cooperation in its field to enhance the comprehensive strength of the enterprise.