Welded rectangular Steel Pipe
The straight seam welded steel pipe is a steel pipe which is welded by high frequency welding machine and the long strip steel strip with certain specifications is rolled into a circular tube and welded by a straight seam. The shape of the pipe can be circular, square or special-shaped, depending on the size of the welded rolling.
Surface Treatment:: bared,Bared Black Painted (varnish coating),With Oiled,3 PE, FBE
The main materials of welded steel pipe are low carbon steel and low alloy steel or other steel
Elements | Chemical Composition% | Mechanical Property | ||||||
C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength（Mpa） | Elongation | |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 | >195 | 315-430 | 32-33 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 | >235 | 375-500 | 24-26 |
Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 | >345 | 470-630 | 21-22 |
Material sheet:
Product | Welded Square and Rectangular Carbon Steel Pipe | |
Technique | ERW,SSAW,LSAW | |
Material Quality | Steel Grade | Q195 similar to a283 GR.B, 040a10, ss330, sphc Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR |
Material Type | Available in cold rolled and hot rolled | |
Size | W.T | 1.0-15mm |
Length | 1-14 meters | |
Diameter | 15*15-500*500mm | |
Length | 5.8m-12m | |
Trade Terms: | FOB, CIF, CFR, EXW,ETC. | |
Surface | Galvanized, 3PE, painting, coating oil, steel stamp, drilling, etc | |
Ends | Plain ends, cutting, threading, beveled, flange, etc | |
Packing | Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. | |
Application | Urban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc | |
Trade Terms | FOB, CFR, CIF, EXW, etc. | |
Delivery Time | Usually within 10-30 days after receipt of deposit, ASAP | |
Cooperation Ship-owner | MSK, CMA, MSC, HMM, COSCO, UA, NYK, OOCL, HPL, YML, MOL | |
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