Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of efw steel pipe dn200 in China. Welcome to buy discount efw steel pipe dn200 made in China here from our factory. Quality products and low price are available.
Product introduction
Production Efficiency: Why Does ERW Outpace SAW and EFW?
Production efficiency directly affects the project delivery cycle, and the three processes have huge gaps in speed due to different forming and welding methods-this is where ERW's core advantage lies.
ERW's continuous forming and rapid welding determine its high efficiency. Huayang's ERW production line has a speed of 1.2-1.5 meters per minute, and a single line has a daily output of 300 tons. In the 2024 Henan Emergency Water Supply Project, 10,000 tons of electric resistance welded steel pipe were delivered in 8 days by activating 3 ERW lines.
SAW's efficiency is second: the speed of SSAW is 1.0-1.2 meters per minute, with a daily output of 250 tons per line; LSAW is affected by plate replacement and mold adjustment, with a speed of only 0.3-0.5 meters per minute and a daily output of 100 tons. EFW has the lowest efficiency: due to multi-layer welding and strict temperature control, the production speed is only 0.1-0.2 meters per minute, and a single line has a daily output of only 60 tons. For the 15,000 tons of EFW pipes in the 2023 Sinopec project, Huayang used 2 lines and took 45 days to complete the delivery.
Certifications
API 2B
API 5L
GOST
ISO 9001
EN 10219
EN 10210
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