CARBON STEEL PIPE FITTINGS ASTM A234 TEE BEND FANGE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 30000 m.t./month

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Specifications

1.we produce seamless steel pipe
2.size:48-219*4.5-45mm
3.ISO 9000 approved
4.Market:south/east Asia,Mid-east,South America

seamless steel pipe

Material J55 K55 N80 L80 P110.etc

Standard ASTM JIS

Usage conveying oil gas ,oil pipe line,pipe material collar,oil nature gas,

Packing wooden cases or wooden pallet ,export standard package

Others:Special design available according to requirement

Anti-corrosion available and high temperature resistence

Delivery time 30days

Payment term T/T L/C

Name		API oil casing pipe
Out Diameter		Wall thickness	Material	Thread	Length
in	mm
5 1/2	139.7mm	6.20	J55/K55/N80	LTC/STC/BTC	R2
		6.98
		7.72
		9.17
		10.54
6 5/8	168.28mm	7.32	J55/K55/N80	LTC/STC/BTC	R2
		8.94
		10.59
		12.06
		12.06
8 5/8	219.08	8.94	H40	S/L/B	9 5/8R2
			J55/K55	S/L/B
		10.6	L80	L/B
		12.7	L80 C95	L/B
		14.15	P110	L/B
9 5/8	244.48	13.84	J55 K55		R2
		15.11	L80	L/B
10 3/4	273.05	11.43	J55 K55	S/B/E	R2
		13.84	P110	S/B
		15.11	P110	S/B
11 3/4	298.45	12.19	J55 K55	S/B	R2
		10.96	J55 K55	S/B
13 3/8	339.72	12.19	J55 K55 L80	S/B	R2
		10.92	J55 K55	S/B
		13.06	L80	S/B

Coupling and thread can be required according to customer requirment

Q:What's the difference between stainless steel seamless tube and stainless steel welded pipe?: Stainless steel welded pipe is also a hollow section of steel, but it is welded through the plate into the steel pipe, so there is a welded steel pipe welding gap.

Q:How are steel pipes used in the construction of natural gas power plants?: Steel pipes are used in the construction of natural gas power plants for various purposes such as transporting natural gas from the source to the plant, distributing gas within the facility, and carrying exhaust gases away from the plant. They are essential for maintaining a safe and efficient flow of natural gas throughout the power plant's infrastructure.

Q:Can steel pipes be used for hydronic heating systems?: Yes, steel pipes can be used for hydronic heating systems. Steel pipes are commonly used in hydronic heating systems due to their durability, high temperature resistance, and ability to handle high pressure. They are suitable for both residential and commercial applications and can efficiently transport hot water or steam throughout the system.

Q:How are steel pipes used in water treatment plants?: Steel pipes are commonly used in water treatment plants to transport and distribute water throughout the facility. They are used for various purposes, such as conveying raw water from the source to the treatment plant, distributing treated water to different areas, and carrying wastewater to the appropriate treatment processes. The durability and strength of steel pipes make them suitable for handling the high pressure and corrosive nature of water in these industrial settings.

Q:How do you determine the pipe schedule for steel pipes?: The pipe schedule for steel pipes is determined based on various factors such as the pipe's nominal size, wall thickness, and the application requirements. The pipe schedule is a standardized system that indicates the thickness of the pipe's wall, which affects its pressure rating and suitability for different applications. Factors like the fluid type, temperature, and pressure it will be subjected to help determine the appropriate pipe schedule to ensure safe and efficient operation.

Q:Are steel pipes fire resistant?: Yes, steel pipes are fire resistant. Steel is a non-combustible material, meaning it does not catch fire or contribute to the spread of flames. Steel pipes have a high melting point and are able to withstand extreme temperatures, making them suitable for use in applications where fire resistance is required. Additionally, steel is a durable material that does not degrade or lose its structural integrity when exposed to fire. This makes steel pipes a common choice for fire protection systems, such as sprinkler systems in buildings, as well as for industrial applications where fire hazards are present.

Q:How long are the seamless tubes? Are they six meters long?: The length of the seamless tube is 3000~12000mm, including 6 meters.

Q:Stainless steel tube, also known as why tube?: Use can be divided into oil well pipe (casing, tubing and drill pipe etc.), line pipe, boiler tube, mechanical structure, hydraulic prop pipe pipe, cylinder pipe, geological pipe, chemical pipe (high pressure fertilizer pipe, oil cracking tube) and shipbuilding pipe etc.

Q:How are steel pipes resistant to corrosion?: The corrosion resistance of steel pipes is a result of several factors. Firstly, a protective layer, such as zinc or epoxy, is often applied to steel pipes. This layer acts as a barrier, preventing moisture and corrosive substances from reaching the steel and reducing the likelihood of corrosion. In addition, the composition of steel itself contributes to its resistance to corrosion. Steel is primarily composed of iron, with small amounts of other elements added to enhance its strength and durability. These additional elements, like chromium and nickel, create a natural oxide layer on the surface of the steel. This oxide layer acts as a protective shield, preventing moisture and oxygen from reaching the steel and causing corrosion. Furthermore, steel pipes can undergo a process called galvanization, where a layer of zinc is applied to the surface. This zinc coating provides an extra layer of protection against corrosion, as zinc is highly resistant to rust and oxidation. The zinc layer corrodes sacrificially instead of the steel, thereby extending the lifespan of the pipe. Overall, the combination of protective coatings, the composition of steel, and galvanization processes all contribute to the corrosion resistance of steel pipes. As a result, they are highly durable and suitable for a variety of applications, including plumbing, construction, and the transportation of fluids and gases.

Q:What are the factors that affect the pressure rating of steel pipes?: The pressure rating of steel pipes can be influenced by various factors. These factors include the strength of the material used, the thickness of the pipe wall, the diameter of the pipe, the temperature at which it operates, its resistance to corrosion, compliance with manufacturing standards, and the impact of external loads. The strength of the steel plays a crucial role in determining the pressure rating. Steel with higher strength can handle higher pressure levels, while weaker grades may have lower ratings. Thicker walls provide more resistance against internal forces, allowing pipes to handle higher pressures. The diameter of the pipe also affects its pressure rating. Larger pipes generally have higher ratings due to their larger cross-sectional area. High temperatures can weaken steel, reducing its strength and pressure rating. Therefore, maximum operating temperature should be considered. Corrosion can weaken the pipe material over time, leading to a decrease in pressure rating. Factors such as fluid type, pH levels, and environmental conditions can impact corrosion resistance. Compliance with industry standards is crucial in determining pressure ratings. These standards ensure proper manufacturing techniques and materials are used. External loads such as soil settlement or traffic can affect pressure ratings. Proper design, installation, support, and protection are necessary to maintain the pressure rating. Considering all these factors and consulting industry guidelines is important for determining appropriate pressure ratings for steel pipes in different applications.

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