Black Steel Pipe
Black Steel Pipe retains mill scale on its surface without galvanization, offering high strength, excellent weldability, and cost-effectiveness. It is the most widely used carbon steel pipe.
Material Grades: Q195/Q235/Q345/20#, A53 GR.B/API 5L GR.B, S235JR/S355JR
Specification Range: Outer diameter 21.3-610mm (1/2“-24”), wall thickness 1.8-20mm, length 4-12m (custom lengths available)
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Description
Black Steel Pipe is used as the base pipe of bimetallic combination tubing, which has an internal liner made of stainless steel, titanium alloy steel, copper or aluminum, and so on. This type of tubing has high mechanical performance, high corrosion resistance, high weldability, high operational convenience, and high safety.
| Standard | API, ASTM, BS, DIN, GB, JIS | |
| Outside Diameter | 21.3-1420mm | |
| Wall Thickness | 2.11-300mm | |
| Dia Tolerance | Control with in the standard, OD:+-1%, WT:+-10% | |
| Materials | 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A | |
| ASTM A53A/A53B/ A178C/A106B API5L | ||
| ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5 | ||
| 16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo,13CrMo44,30CrMo,A333 | ||
| GR.1,GR.3,GR.6,GR.7 | ||
| Gr.B,X42,X46,X52,X60,X65,X70,X80,X100 | ||
| Inspection | ISO,BV,SGS,MTC | |
| Packing | Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required | |
| Application | Widely used in Structure, Accessorize,Construction,Fluid transportation,machinery parts,the stress parts of the automobile tractor parts and so on | |
| MOQ | 1 ton,sample order accepted | |
| Shipment time | Within 7-10 workdays after receiving deposit or L/C | |
