The general production process of seamless steel pipe can be divided into two kinds of cold-drawn and hot-rolled, cold-rolled seamless steel pipe production process is generally more complex than hot-rolled, the pipe billet is firstly subjected to three-roll continuous rolling, after extrusion to be sizing test, if the surface does not respond to the crack after the round tube to be cut by the cutting machine, cut into lengths of about one meter of billet.
| Product Name | big diameter ASTM A53 alloy seamless steel pipe with competitive price | |
| Size | O.D | 100-750mm |
| W.T | 2-50mm | |
| Length | 1-12m , customized | |
| Standard | AISI,ASTM,GB,DIN,BS,JIS | |
| Color | black | |
| Inspection | X-ray inspection, manual ultrasopic inspection,surface inspection,hydraulic testing | |
| Technique | Hot Rolled | |
| Section Shape | Round | |
| Main Market | Southeast Asia, Middle East, Australia,USA,South America,Africa | |
| Productivity | 5000 Tons/month | |
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