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straight seam steel pipe

Welding technology and production method of large-diameter straight seam steel pipe

Keywords :straight seam steel pipe        Update : 2020-11-04        View(s) : 993

1. Control of the weld gap The strip steel is sent to the welded steel pipe unit, after rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank with an open gap, and the reduction of the squeeze roller is adjusted to control the weld gap to 1~3mm, A...

China’s daily crude steel output hits record high

China’s daily crude steel output hits record high

Keywords :China’s daily crude steel output hits record high         Update : 2020-10-30        View(s) : 1

China’s crude steel output hit an all-time high on a daily rate basis in September at 3.085 million mt/day, which annualizes to 1,126 million mt, S&P Global Platts calculated based on National Bureau of Statistics data released Oct. 19.   Based on Platts’ estimated crude steel capacity ...

Measuring method of end cut of steel pipe

Measuring method of end cut of steel pipe

Keywords :Measuring method of end cut of steel pipe        Update : 2020-10-29        View(s) : 964

Long-distance oil and gas pipelines are connected by a large number of single steel pipes. To facilitate the on-site butt joint construction, the steel pipe manufacturer needs to machine the designed welding groove and blunt edge on the pipe end of each steel pipe and ensure the cutting accuracy...

The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe

The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe

Keywords :The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe        Update : 2020-10-28        View(s) : 1011

1. Anti-corrosive structure of 3PE anti-corrosive steel pipe 3PE anti-corrosion generally consists of three layers: the first layer of epoxy powder (FBE>100um), the second layer of adhesive (AD) 170~250um, and the third layer of polyethylene (PE) 2.5~3.7mm. In actual operation, the th...

India Iron ore exports scale new heights on strong China demand

India Iron ore exports scale new heights on strong China demand

Keywords :India Iron ore exports scale new heights on strong China demand        Update : 2020-10-22        View(s) : 877

Iron ore exports have reached new highs in the last two months on the back of strong demand from China. Export shipments of iron ore in September were four million tonnes against 1.14 million tonnes in the same month last year. Over August 2020, the shipments were up 3 per cent. ...

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