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Seamless carbon steel pipes are made of steel ingots or solid billets through perforation to make capillaries, which are then hot-rolled, cold-rolled or cold-drawn. The raw material of carbon steel pipe is a round tube blank, which is cut by a cutting machine into a billet with a length of about 1 meter, and sent to a furnace for heating through a conveyor belt. The billets are fed into the furnace and heated at about 1200 degrees Celsius. The fuel is hydrogen or acetylene. Furnace temperature control is a critical issue. After the round tube blank is released from the furnace, it is pierced through a pressure punching machine. Generally, the more common punching machine is the conical roller punching machine. This kind of punching machine has high production efficiency
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2023 color coated coil follows the overall steel price trend, the price center of gravity continues to move down, and it is the weakest variety among the cold series, with a decline of 11% throughout the year. In terms of production capacity, East...
Model NO.: seamless steel pipe Technique: Hot Rolled Surface Treatment: Black
Model NO.: seamless steel pipe Technique: Hot Rolled Surface Treatment: Black
Model NO.: seamless steel pipe Technique: Hot Rolled Surface Treatment: Black
Model NO.: seamless steel pipe Technique: Hot Rolled Surface Treatment: Black
API 5L seamless steel pipe is pipeline steel seamless steel pipe -- API 5L pipeline steel seamless steel pipe, seamless steel pipe steel quality: GR.B, X42, X46, 52, X56, X60, X65, X70. Pipeline...
View MoreBy the end of the year, coupled with the impact of the sudden drop in temperatures across the country, many construction sites have stopped work in advance for holidays. At the same time, starting...
View More[ Market conditions ] The price of seamless pipes increased slightly in major cities across the country, with the national average price of 108*4.5mm seamless pipes reported at 4,890 yuan/ton. In...
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