SPIRAL CARBON STEEL PIPE ASTM A53

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Packaging & Delivery

Packaging Detail:	standard export packing or as customer's requirement
Delivery Detail:	within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm

Spiral Welded Steel Pipes and Tubes

Product Description:

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

3.Wall thickness: 3.0mm-30mm

4.Outer diameter: φ168mm-3020mm

5,Length: 5m-12m or as your requirement

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

Q195-q345 Material Steel Pipe's Materials

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

Q: How are steel pipes protected against UV radiation?: Steel pipes are typically protected against UV radiation through the application of coatings or paints that contain UV inhibitors. These coatings act as a barrier between the steel surface and the harmful UV rays, preventing damage and degradation of the pipes over time. Additionally, some steel pipes may be treated with zinc or other metals, which offer inherent UV protection and enhance the overall durability of the pipes.

Q: Can steel pipes be used for gas lines?: Yes, steel pipes can be used for gas lines. They are commonly used due to their strength, durability, and resistance to high pressure and corrosion. However, it is important to ensure that the steel pipes are specifically designed and certified for use with gas to ensure safety and compliance with industry standards.

Q: Are steel pipes suitable for HVAC systems?: Yes, steel pipes are suitable for HVAC systems. They are commonly used in HVAC installations due to their durability, strength, and resistance to high temperatures and pressures. Steel pipes also provide excellent corrosion resistance, making them ideal for long-term use in heating, ventilation, and air conditioning systems.

Q: Are steel pipes suitable for use in automotive industries?: Yes, steel pipes are suitable for use in automotive industries. They are known for their strength, durability, and resistance to high temperatures and pressure, making them an ideal material for various applications such as exhaust systems, fuel lines, and structural components in automobiles. Steel pipes also offer excellent corrosion resistance, ensuring long-lasting performance in harsh environments.

Q: What are the different methods of threading steel pipes?: There are several methods of threading steel pipes, including manual threading, machine threading, and cutting threads using a thread cutting die. Manual threading involves using a handheld pipe threading tool to create threads on the pipe. Machine threading utilizes a power-driven pipe threading machine to efficiently create threads. Cutting threads using a thread cutting die involves using a die and a handle to manually cut threads on the pipe. These methods are commonly used in various applications, such as plumbing, construction, and industrial settings.

Q: Can steel pipes be used for underground gas pipelines?: Yes, steel pipes can be used for underground gas pipelines. Steel pipes are ideal for underground gas pipelines because they are durable, strong, and can withstand the pressure and corrosive elements found underground. Additionally, steel pipes have a long lifespan, are resistant to extreme temperatures, and are relatively easy to install and maintain.

Q: What are the common standards for manufacturing steel pipes?: The common standards for manufacturing steel pipes include specifications set by international organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the European Committee for Standardization (EN). These standards cover aspects such as material composition, dimensions, mechanical properties, and testing methods to ensure quality and compatibility in steel pipe production.

Q: Where is the difference between seamless steel pipe and welded pipe?: Seamless pipe pressure is higher, welded pipe is generally in 10 or so MPa, now welded pipe to do seamless processing.

Q: Are steel pipes resistant to fire?: Yes, steel pipes are highly resistant to fire due to their high melting point and ability to withstand intense heat and flames.

Q: What are the common welding techniques used for steel pipes?: The common welding techniques used for steel pipes include Shielded Metal Arc Welding (SMAW or stick welding), Gas Metal Arc Welding (GMAW or MIG welding), Flux-Cored Arc Welding (FCAW), and Gas Tungsten Arc Welding (GTAW or TIG welding).

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