Shaped seamless steel pipe
Special-shaped seamless steel pipe is the general term with cross-sectional shapes other than round tubes,play a vital role in urban construction. Its quality directly affects the solidity and quality of living buildings. The production standards include ASTM A53, ASTM A106, ASTM A179, ASTM A192 and other.
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Shaped seamless steel pipe is a general term for seamless steel pipes with cross-sectional shapes other than round pipes. According to the different shape and size of the steel pipe section, it can be divided into equal wall thickness special-shaped seamless steel pipe (code D), unequal wall thickness special-shaped seamless steel pipe (code BD), variable diameter special-shaped seamless steel pipe (code BJ). Special-shaped seamless steel pipes are widely used in various structural parts, tools and mechanical parts. Compared with round pipes, special-shaped pipes generally have larger moments of inertia and section modulus, and have greater bending and torsion resistance, which can greatly reduce structural weight and save steel.
Seamless square pipes and seamless rectangular pipes are also special-shaped seamless steel pipes. The weight calculation method of seamless square management theory: (side length + side length) × 2 × wall thickness × 0.00785 × length; seamless square management theory weight calculation method ：Side length x 4 x wall thickness x 0.00785 x length.
| Grade | C | Si | Mn | P | S |
| S355J2H (1.0576) | max 0.22 | max 0.55 | max 1.6 | max 0.03 | max 0.03 |
| Specification | EN10210 S355J2H |
| Tensile Strength Rm N/mm2: 3 ≤ T ≤ 100mm | 470 – 630 |
| Yield Strength ReH Min, N/mm2: T ≤ 16mm | 355 |
| Min Elongation % T ≤ 40mm on gauge length 5.65. √S0 | 22 |
| Impact properties Minimum Ave energy (J) at -20°C | 27 |
Product Name | Seamless carbon steel pipe tube |
Material | CarbonSteel and Alloy Steel |
Surface | Oiled,Polished,Brightness,Metallic color |
Standard | ASTM A106 A53 A192 A179 A210 A519 |
Grade | St35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T12,AISI4130,SAE1010,SAE1020.etc |
Craft | Cold rolled and Cold drawn |
Size | OD:6mm-65mm,WT:1-8mm |
Length | Customized |
Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
Used | Gas spring, Shock absorber, Cylinder and other high precision area |
Shandong Kuaima Steel Co., Ltd. has advanced special smelting, investment casting, pipe making and other production equipment. The company has 15 advanced production lines, which can independently produce hot/cold rolled steel, galvanized steel, galvalume steel, shaped steel pipe，prepainted steel and stainless steel coils,,strips, plates, plates, pipes, bars and other products. The standing inventory is more than 450,000 tons to meet the customer's demand for delivery time.
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We have professional testing equipment. We have our own testing center laboratory to guarantee the quality of our products.
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We are a world-renowned shaped steel pipe exporter, Qatar, Ireland, Portugal,Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Italy, Libya, Ro-Fanaticism, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Philippines, Ghana, Slovakia, Germany,Saudi Arabia, Afghanistan, China, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece,Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus,Finland, Gabon, Iran, Canada, Argentina, Lebanon. other countries
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