Everyone is familiar with it. It is one of the indispensable materials in construction. It is a steel pipe that is bent into a round or square shape after being bent into a steel strip or steel plate. It is mainly used for oil and gas transportation, Pipe piles, bridge piers and other places. It is not only simple in process, good in effect, but also affordable and low in cost, so it is widely recognized and liked by everyone. So, what are the standards for spiral welded steel pipes ? Here we have to explain in detail: spiral welded steel pipes and spiral welded steel pipe national standards how much money one ton? I hope to give you some help and inspiration!
National standards for spiral welded steel pipes :
1. First of all, all building materials products have certain standards, such as: spiral seam submerged arc welding steel pipe SY5037-83, which is made of double-sided automatic submerged arc welding, mainly used for water, air, gas, steam, etc. Transmission of air pressure.
2. Secondly, the commonly used standards for spiral steel pipes on the market in China are SY / T5037, GB / T9711.1, Grade A steel pipes, API-5L, SY / T5040, etc., of which SY / T5040 is a spiral welded steel pipe for piles, T5037 is a standard set by the Ministry of Petroleum, GB9711.1 national standard spiral pipe, dedicated to the transportation of oil and gas industry. A-grade steel pipe is a high-frequency welded steel pipe with low-pressure air flow transmission. It is a product of hot-rolled steel coil as a billet and is often spirally formed. It is used for steel pipes for civil engineering structures, docks, bridges and other foundation piles.
How much is a ton of spiral welded steel pipe :
1. First of all, the price of construction steel in China has continued to rise in recent years. For example: in East China, the price of steel pipes has increased by 10-30 yuan / ton, central China has increased by 20 yuan / ton, and southwest has increased by 20-30 yuan / ton. The price in North China rose the most, with prices ranging from 140 to 170 yuan / ton, the price in Northeast China increased by 50 yuan / ton, and the price in Northwest China increased by 30-40 yuan / ton.
2. Secondly, the prices of spiral steel pipes in 25 large, medium and small cities in China are also rising continuously. For example: 33512mm spiral steel, the price is 4594 yuan / ton, which has increased by about 32 yuan per ton. The price of 33520mm rebar is 4375 yuan / ton, which is about 42 yuan per ton. The price of 40020mm rebar is 4556 yuan per ton, which has increased by about 40 yuan per ton. The price of .6.5mm rebar is 4567 yuan / ton, which has increased by about 38 yuan per ton.
The above quotations are from the Internet, for your reference only. The specific quotation is best based on the local market quotation, so that you can buy the right product.
Article Summary: spiral welded steel pipes and spiral welded steel pipe national standards how much money a ton of knowledge on the introduction here, and make purchases on the purchase of spiral welded steel pipe sure to look for the national standard, and with reference to international prices, so as to purchase regular 3. Appropriate products will not be fooled.
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