Cold Drawn Carbon Steel Seamless Pipe Q235/ CNBM

Cold Drawn Carbon Steel Seamless Pipe Q235/ CNBM System 1

Cold Drawn Carbon Steel Seamless Pipe Q235/ CNBM

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 30 pc/month

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Quick Details

Thickness:	1.2 - 20 mm	Section Shape:	Round	Outer Diameter:	12.7 - 168 mm
		Secondary Or Not:	Non-secondary	Application:	Boiler Pipe
Technique:	Cold Drawn	Certification:	PED	Surface Treatment:	oil coating
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	ASTM A213:	T2,T5,T9,T11,T12,T22,T23,T91,T91
ASTM A335:	P1,P2,P5,P9,P11,P12,P22,P23,P91,P92	DIN17175:	15Mo3,10CrMo910,12CrMo195,13CrMo44	Grade:	12Cr1MoV,Cr5Mo,Cr9Mo,12Cr1MoVG,Cr5MoG,A335 P11,A335 P5,A335 P9,A335 P1,A213,A192,A210,A335 P12,A335 P23,St35.8,Cr-Mo alloy,A53-A369,ST35-ST52
Standard:	BS 3059-2,DIN EN 10216-1-2004,DIN 17175,ASTM A213-2001,ANSI A210-1996,ASTM A179-1990,BS,DIN,ASTM

Packaging & Delivery

Packaging Detail:	Seaworthy export packing
Delivery Detail:	45 Days

Specifications

Standard:ASTM A179,DIN17175
Material:SA179,ST35.8
Size:12*1.2-168*20
Manufacture:cold drawn
Heat treating: normalized

Product Description

Commodity: cold drawn carbon steel seamless pipe

Standard&material: ASTM A213 T2,T5,T9,T11,T12,T22,T23,T91,T92, ASTM A335 P1,P2,P5,P9,P11,P12,P22,P23,P91,P92, DIN17175 15Mo3,10CrMo910,12CrMo195,13CrMo44, and equivalent standard and material.

Size range: 12mm*1.2mm - 168mm*20mm

Manufacture method: cold rolled, cold drawn

Delivery condition: Normalized, Normalized and Tempered.

Mill test certificate as per EN10204 3.1B is available.

Third party inspection is acceptable.

Tubes will be ECT+UT.

Packaging & Shipping

Packing: tubes will be packed in bundles tied with steel strips.

Oil coating,varnish,or black painting to be confirmed.

End plastic caps to be confirmed.

External packing by knit bags.

Marking: to be confirmed.

Q: Are steel pipes suitable for underground chemical transport?: Steel pipes are widely regarded as appropriate for transporting chemicals underground because of their high strength and durability. They have the ability to endure the pressure and weight of the soil above, rendering them impervious to harm or collapse. Furthermore, steel pipes possess corrosion resistance, which is vital when conveying chemicals that might react with or corrode other substances. They also have the capability to handle a wide range of temperatures, making them suitable for transporting chemicals that necessitate specific temperature conditions. Nevertheless, it is crucial to carefully consider the particular chemical being transported and seek advice from experts in chemical engineering or pipeline design to guarantee the compatibility of the steel pipes with the chemical and the implementation of any necessary safety precautions.

Q: Are steel pipes resistant to ultraviolet (UV) radiation?: Ultraviolet (UV) radiation poses a threat to steel pipes as they do not possess inherent resistance. This type of radiation has the potential to induce degradation and discoloration in various materials, including steel. However, the extent of harm inflicted depends on several factors, including steel type, duration and intensity of UV exposure, and the presence of protective coatings or finishes on the pipes. Generally, uncoated steel pipes are more vulnerable to UV damage compared to those treated with protective coatings or finishes. Coatings such as epoxy or polyethylene act as a shield against UV radiation, effectively preventing steel degradation and discoloration. Hence, it becomes crucial to consider the specific application and environment when selecting steel pipes and implementing suitable protective measures to ensure their durability and performance.

Q: How do you clean and maintain steel pipes?: To clean and maintain steel pipes, start by removing any dirt, debris, or rust using a wire brush or sandpaper. Then, wash the pipes with a mild detergent and warm water solution, using a cloth or sponge to scrub away any remaining grime. Rinse thoroughly with clean water and dry the pipes completely to prevent moisture-related issues. To maintain steel pipes, regularly inspect them for signs of corrosion or damage, and apply a protective coating or paint if necessary. Additionally, ensure proper drainage, avoid exposure to harsh chemicals, and promptly address any leaks or repairs needed to extend the lifespan of the pipes.

Q: How are steel pipes tested for leakage?: Steel pipes are typically tested for leakage using various methods such as hydrostatic testing, ultrasonic testing, or dye penetrant testing. Hydrostatic testing involves pressurizing the pipe with water or another suitable liquid to a predetermined level and checking for any pressure drop over a specific period of time, indicating potential leakage. Ultrasonic testing utilizes high-frequency sound waves to detect any defects or cracks in the pipe wall that may cause leakage. Dye penetrant testing involves applying a colored liquid to the surface of the pipe, which seeps into any cracks or openings, making them easily visible under specific lighting, thus identifying potential leaks.

Q: How are steel pipes used in wastewater treatment plants?: Steel pipes are commonly used in wastewater treatment plants for various purposes such as conveying wastewater, transporting chemicals, and managing water flow. They are used to transport wastewater from different treatment stages, ensuring efficient movement within the plant. Additionally, steel pipes are used to transport chemicals, such as disinfectants or coagulants, which are necessary for treating the wastewater. They also play a crucial role in managing water flow, helping to control the movement and distribution of wastewater throughout the treatment process. Overall, steel pipes are essential components in wastewater treatment plants, facilitating the movement and treatment of wastewater efficiently.

Q: What is the outer diameter of the steel tube?: The diameter of a steel pipe refers to the diameter of the steel pipe. The specifications of the steel tube is normal with diameter (diameter and thickness) said, for example 100MM outer diameter and wall thickness of 5MM tube is marked with 100*5.

Q: How do you calculate the pipe flow rate for steel pipes?: To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.

Q: What are the common standards for manufacturing steel pipes?: The common standards for manufacturing steel pipes include specifications such as ASTM A53, ASTM A106, API 5L, and DIN 1629/2448. These standards outline the requirements for the chemical composition, mechanical properties, dimensions, and testing of steel pipes used in various industries.

Q: Are steel pipes suitable for industrial applications?: Steel pipes are an excellent choice for industrial applications. They come with several advantages that make them the preferred option in various industries. Firstly, their strength and durability are exceptional, enabling them to withstand high pressure and heavy loads. This makes them perfect for transporting liquids, gases, and solids. Furthermore, steel pipes exhibit high resistance to corrosion, a critical feature in industrial settings where exposure to harsh chemicals, moisture, and extreme temperatures is common. Their corrosion-resistant properties ensure a longer lifespan and reduce the need for frequent maintenance and replacements. Additionally, steel pipes have a smooth interior surface, minimizing friction and allowing for efficient material flow. This is particularly vital in industries like oil and gas, where the smooth flow of fluids is essential for proper operations. Moreover, steel pipes offer a wide range of sizes and thicknesses, allowing for customization and flexibility in design. They can be easily welded and connected, facilitating simple installation and modification as per specific industrial requirements. Overall, steel pipes provide a combination of strength, durability, corrosion resistance, and versatility, making them highly suitable and widely used in various industrial applications such as oil and gas, construction, water treatment, power generation, and chemical processing.

Q: How are steel pipes coated for underground applications?: Steel pipes for underground applications are typically coated using a process called fusion bonded epoxy (FBE) coating. This involves applying a special epoxy powder coating to the surface of the steel pipe and then heating it to fuse the coating into a smooth and durable finish. The FBE coating provides excellent corrosion resistance and protects the steel pipe from the harsh underground environment.

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