Suitable for hydraulic and pneumatic cylinder
Excellent mechanical property
Able to withstand high pressure impacting
Nice straightness, minimum surface roughness and small wall thickness deviation
Size range:
Inner diameter: 14 to 320mm
Wall thickness: 2 to 32mm
Main standards: DIN 2391 and EN 10305-1
Main materials: 1020, 1026, 1045, ST45, ST52, E255 and E355
Delivery condition: cold finished (BK)
Inner roughness: 0.8|¨¬m
steel strips bundled,cover with plastic fabric,woven bag packed
Fineness:inner and outer fineness of mirror ra¡¨¹0.8|¨¬m, inner and outer mechanical polish and electrical polish ra¡¨¹0.2|¨¬m, external surface can be gross polished or sub-gross polished .
Material:304, 304l, 306, 316l, 321
Plywood case
Size&thickness:|Õ19.1*1.5mm-159*3mm
Length:4m, 6m, 12m
Astm a53 standard specification covers seamless and welded, black and hot-dipped galvanized nominal (average) wall pipe for coiling, bending, flanging and other special purposes and is suitable for welding.
The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in grade b shall be heat treated after welding.
A53 pipe comes in three types and two grades
Weight of any length shall not vary more than 10% over and 3.5% under that specified.
Note-nps 4 and smaller-weighed in lots. Larger sizes shall be weighed separately by length.