Shandong Qianlin Metal Material Co., Ltd. is a large enterprise engaged in the production and sales of seamless steel pipes, and is a cooperative partner of various steel pipe factories, including Tianjin DaWu Seamless Steel Pipe Factory, Baotou Steel Pipe Factory, Chengdu Seamless Steel Pipe Factory, Anshan Steel Pipe Factory, Baosteel Steel Pipe Factory, providing steel pipes, precision drawn pipes, cold drawn pipes, precision rolled pipes, precision drawn pipes, steel pipes, cold drawn steel pipes, precision rolled steel pipes, precision drawn steel pipes, seamless pipes, precision drawn seamless pipes, cold drawn seamless pipes, precision rolled seamless pipes, precision drawn seamless pipes, rectangular tubes, square rectangular tubes, seamless rectangular tubes, Q345BCDE seamless square tubes, grouting pipes, pipe sheds, advanced small conduits, and grouting steel flower pipes. We offer seamless steel pipes in sizes 20#, 35#, 16Mn, q345b, Q355B, 45#, 20Cr, 40Cr, 20G, 35CrMo, 42CrMo, and 27SiMn. The above-mentioned companies are all shareholder partners. Since its establishment, the company has adhered to the business philosophy of "sustainable survival through quality, development through products, cooperation through credibility, and winning customers through service." Guided by this philosophy, the company has been selling and distributing products on a general agency basis for years, including seamless pipes, stainless steel seamless pipes, and alloy pipes from major steel mills such as Tianjin Seamless Steel Pipe Factory, Chengdu Pangang, Baogang, Yebang, Baosteel, and Anshan. The company boasts modern large outdoor and indoor storage facilities, with a capacity of over 3,000 tons.
Applications: Suitable for mechanical structures, hydraulic equipment, cylinders, drums, parts processing, automotive (motorcycle) accessories, and diamond thin-wall drill bits. Used in power towers, lightning rods, lamp poles, lightning rods, communication towers, monitoring towers, lightning protection facilities, process towers, wind lightning rods, power plant lightning rods, power transmission line lightning rods, and transformer substation lightning rods. Production Range and Tolerance: 10-108mm * 1-14mm, tolerance 2-10 thousandths. Product Features: Our cold drawn seamless tubes are free of surface defects like pits, scratches, cracks, and skin splits. Both inner and outer surfaces are bright and smooth, significantly better than ordinary cold drawn tubes, with a small tolerance of 2 thousandths. Therefore, they are commonly used in fields with high requirements for accuracy and smoothness to improve product quality and reduce processing costs.
Seamless Steel Pipe Calculation Formula: [(Outer Diameter - Wall Thickness) * Wall Thickness] * 0.02466 = kg/meter (weight per meter)
Services Available: Drilling, cutting, slicing, flattening, chamfering, boring, honing, threading, punching, degreasing, packaging, centerless grinding, internal boring, and oxygen-free annealing.
Fine Drawn Steel Pipe (Fine Drawn Tube, Cold Drawn Tube, Precision Bright Drawn Tube) Technical Characteristics: Inner and outer diameter accuracy can be controlled to ≤0.05mm, ellipticity ≤0.1mm, smooth outer surface, free of cracks and peeling, thin 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 pipe cutting, chamfering, degreasing, packaging, centerless grinding, and cold working.
Cold Drawn Steel Pipe
Production Range: OD 16-40*2-10 Cold Drawn Seamless Steel Pipe
Quoted by online market prices, the small-diameter cold-drawn seamless steel tubes in Liaocheng market from south to north have a significant price advantage. In the Liaocheng steel tube market, our company occupies the first place with superior quality, low prices, and complete specifications. We can customize and produce special specifications. Welcome all new and old customers to call and negotiate.
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 and denser metal.
2. Precision rolling machines produce 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 tube, cold drawn tube, precision polished tube) have a high degree of precision drawing, controlled within 3 wires, high brightness, even wall thickness, and free from scratches, marks, burrs. We offer custom production with a minimum order of one ton. Materials include 10#, 20#, 35#, 45#, 40Cr, 16Mn, etc. Please call for inquiries and orders!
Note: Our precision drawn steel tubes (precision drawn tube, cold drawn tube, precision polished tube) offer significant price advantages with wall thicknesses of more than 2 and tolerances of ±5 thousandths.
Categories
Cold drawn seamless steel tubes, cold drawn precision seamless steel tubes, cold drawn and polished seamless steel tubes, cold rolled precision seamless steel tubes, high precision cold drawn seamless steel tubes, cold drawn bright 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, brewing industry, instruments and meters, machinery and equipment, air conditioning and refrigeration, automotive 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 ±0.025mm, and the steel tubes can ensure bending, flattening, expanding, and reducing. The products are free for burlap bags, plastic packaging, and can also be custom-made in wooden boxes!
Features
Pipe with no oxidation layer on the inner and outer walls, capable of withstanding high pressure, no leakage, high precision拉伸, high surface finish, cold bending, expanding, flattening without cracks, surface anti-rust treatment. Suitable for hydraulic system pipes, injection molding machine pipes, hydraulic press pipes, shipbuilding pipes, EVA foam hydraulic machinery, precision拉伸 hydraulic cutting machine pipes, shoe-making machinery, hydraulic equipment, high-pressure oil pipes, hydraulic oil pipes, sleeve couplings, pipe fittings, rubber machinery, forging machinery, die casting machinery, construction machinery, concrete pump trucks for high-pressure pipes, waste collection 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 for edited products 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, machine keys, nuts, screws, round nails, hexagonal nails, octagonal nails, and various different specifications of standard parts; Auto 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 reputation, 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 Pangang, Baogang,冶钢, Baosteel, and Anshan Steel, as well as stainless steel seamless steel pipes and alloy pipes. The company boasts modern large outdoor and indoor warehouses, with a storage capacity of over 3,000 tons.
Steel Pipe Production Process: Round steel - Cutting - Heating - Piercing - Billet - Inspection - Pickling - Grinding - Lubrication and Air Drying - Precision Drawing - Inspection - Cut off - Bunching - 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, as well as hot rolling, hot expansion, cold drawing, precision rolling, and cold drawing equipment, etc.
Qianlin Metal Services Advantages: All tubing is self-produced 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 only after samples are approved, ensuring your satisfaction.
Our company boasts advanced cold drawn seamless tube production equipment and highly skilled technicians, capable of custom-making various specifications and materials of cold drawn seamless steel tubes. Our products are characterized by high precision, tight tolerances, and timely delivery. Welcome to place your order. Materials include 10#, 20#, 45#, 16Mn, 20Cr, 40Cr, 15CrMo, 35CrMo, and more.
Applications: Suitable for mechanical structures, hydraulic equipment, cylinders, rollers, 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 such as pockmarks, scratches, cracks, and skin splits. Both the inner and outer surfaces are bright and smooth, with a precision drawing far exceeding that of standard cold drawn tubes, featuring a small tolerance of 0.02mm. Consequently, they are commonly used in fields with high requirements for precision and smoothness 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: "Compare quality for the same product, price for the same quality, service for the same price, and reputation for the same service." Corporate Spirit: "Unity, perseverance, dedication, and practical innovation." The company seeks sincere cooperation in its field to enhance the overall strength of the enterprise.
