| Product | Seamless steel pipe |
| Technique | Hot rolled Cold drawn |
| Diameter | 13.7mm to 610mm |
| Thickness                  | 2.24mm to 9.53mm |
| Length | SRL/DRL, 20FT/40FT, fixed or special required length |
| Pipe Ends | Plain, beveled, cut square, grooved, threaded, coupling, spigot, socket |
| Surface Treatment | Hot dipped galvanized, oil coating, lacquering |
| Packing | Standard export package (plastic wrapping, lacquer protection, plastic caps) |
| Standard | GB8163-1999, API 5L, ASTM A106, ASTM A53, ASME B36.10M-1996, other standards |
| Material | 10#steel, 20#steel, 45#steel, X42, X52, J55, K55, N80, L80, P110 Specification: 1/4"-24" |
| Application | -pipeline for low or medium pressure boiler, -pipeline for high pressure boiler - petroleum pipeline -underground pipeline |
| Inspection | -chemical component analysis -mechanical properties (tensile strength, yield strength, elongation) -technical properties (flattening test, bending test, hardness test, impact test) -hydrostatic test -X ray test -UT -exterior size inspection |
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Packing and Shipping
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Common package (export standard package): 1/2" to 8" pipes packed into bundle with strip or special material such as pet strape, plastic caps an wrapping. 10" and above pipes delivered in loose pieces or plastic caps.
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   Company Profile
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Tianjin Baolai Steel Pipe Co., Ltd has established for more than 25 year. It is a comprehensive company for manufacturing various steel pipes including ERW/LSAW/SSAW steel pipes, seamless steel pipes, square/rectangular steel pipes, hot rolled/cold drawn steel pipes, galvanized/pre galvanized steel pipes, painted steel pipes, steel coil, scaffoldings, metal hoses and expansion joint.
Each of our products will be strictly inspected before delivery. Our inspection includes chemical component analysis, tensile strength inspection, yield strength inspection, elongation inspection, flattening test, bending test, hardness test, impact test, hydrostatic test and X-ray test.
We have already gain the certificates of products including API, JIS, DIN, ASTM, BS,EN, GB/T and SGS.
Our company has 8 steel pipe production lines for various diameters and 6 second pipe procession lines including pipe end processing and pipe galvanizing.
Our products have widely applied as petroleum pipeline, gas pipeline, hydro pipeline, low pressure/high pressure liquid pipeline and also applied at construction.
Tianjin Baolai will constantly improve our selves to meet your requirements.
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