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Galvanized pipe Hot diped ， Electroplating diped
Hot-dip galvanized steel pipes are widely used in the manufacturing industries of construction, machinery, coal mining, chemical industry, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery, shed construction, etc.
Seamless pipe is a long steel strip with a hollow cross-section and no seams around it. There are more than 5,100 production plants under more than 1,850 companies in more than 110 countries producing seamless pipes in the world, of which more than 260 plants under more than 170 companies in 44 countries produce oil pipes.
The strip is cut into narrow strips of steel, which are then moulded into tubes. A special welder then welds the seam together. External weld is polished. The inner burr of the general welded pipe is not played. Internal burrs are only used for precision welded pipes. Main products: seamless square pipe, large diameter square pipe, galvanized square pipe, welded pipe, seamless steel pipe, boiler pipe,
The tensile strength of ST42 Carbon Steel Pipe shall not be less than 42kgf/mm2, which is 420MPa.ST42 Carbon Steel Pipe is a German standard seamless steel pipe, which is widely used. German standard seamless steel pipes for general purposes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output, and are mainly used as pipes or structural parts for fluid transportation .
Stainless steel pipe is mainly used for three purposes: 1. Stainless steel decorative pipe In fact, it is a stainless steel pipe used for decoration, which is mainly widely used in stainless steel anti-theft windows, stair guardrails, stair handrails, etc. 2. Stainless steel industrial pipe It is divided into seamless pipe and welded pipe. Scope of application: due to the thin stainless steel welded pipe and good surface treatment effect, it is mainly used for architectural decoration products, civil decorative art stainless steel products, etc. The stainless steel industrial pipe has thick wall, uneven surface and strong bearing capacity. It is mainly used to make large size, high strength, high toughness, mechanical systems and other products. 3. Stainless steel product pipe Stainless steel product pipe refers to the stainless steel pipe specially customized by the stainless steel pipe manufacturer because the ordinary stainless steel decorative pipe does not meet its use requirements.
304L stainless steel pipe is mainly used in automobile accessories, hardware tools, tableware, cabinets, medical appliances, office equipment, weaving, handicrafts, petroleum, electronics, chemicals, textile, food, machinery, construction, nuclear power, aerospace, military and other industries.
Use of 2205 stainless steel pipe: 1. The heater is generally used in the oil refining unit; 2. Chemical plant equipment pipeline; 3. Fast cooling cylinder for solid solution used in textile industry; 4. Seamless steel pipe for heat exchanger and condenser. 5. High pressure seamless steel pipe for food (gb-2000) is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of - 40~400 ° C and working pressure of 10~30ma. 6. Seamless steel pipes for geological drilling and oil drilling control. 7. Cracking pipe for petrochemical industry is used to transport high-temperature and high-pressure fluid on fertilizer equipment.
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