1020 Carbon Seamless Steel Pipe A335 CNBM

1020 Carbon Seamless Steel Pipe A335 CNBM System 1

1020 Carbon Seamless Steel Pipe A335 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 - 40 mm	Section Shape:	Round	Outer Diameter:	21.3 - 609.6 mm
		Secondary Or Not:	Non-secondary	Application:	Fluid Pipe
Technique:	Hot Rolled	Certification:	BV	Surface Treatment:	Other
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Non-alloy	Standard:	API 5L,API

Packaging & Delivery

Packaging Detail:	Standard seaworthy export packing with steel strip or with plastic clothe, or as requests from the coustomer.
Delivery Detail:	7-25 days after receiveved the deposit

Specifications

Seamless Steel Pipe
Standard:API ASTM DIN
Size:OD:21.3mm-609.6mm
WT:1mm-40mm

Mechanical properties

standard	grade	Tensile strength(MPA)	yield strength(MPA)
ASTM A106	A	≥330	≥205
	B	≥415	≥240
	C	≥485	≥275

Chemical ingredients

standard	grade	Chemical ingredients
standard	grade	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
ASTM A106	A	≤0.25	≥0.10	0.27~0.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≥0.10	0.29~1.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	C	≤0.35	≥0.10	0.29~1.06	≤0.35	≤0.35	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08

Company Name	Tianjin Xinlianxin
Business Type	Manufacturer and Exporter
Product	steel pipe
Main Products and Standards
product name	Specification Range	steel Grade	Executive Standard
Structure Pipe	20mm-820mm 1/2"-32"	10,20,35,45,16Mn,A53AB	GB/T8162-1999,ASTM A53-98,ASTM500-98,ASTM 500-98,JISG3441-1998,JISG3444-1994
Pipe for Liquid Transportation	20mm-820mm 1/2"-33"	10,20,Q345(16Mn),A53AB,A192,SGP	GB/T8163-1999,ASTM A53-98,ASTM A192,JISG3452-1997
Boiler Pipe	20mm-820mm 1/2"-35"	20,20G,A179,A106B,A192,ST37.0,ST44.0,ST35.8,ST45.8,Gr320	GB3087-1999,GB5310-1995,ASTM A106,ASTM A179,ASTM A192,DIN-1629-1984,DIN17175,BS3059.1-1987

1	Product		seamless steel pipe
2	Standard	U.S.A.	ASTM A53/A106/A178/A179/A192/A210/A213/ A333/A335/A283/A135/A214/A315/A500/A501/A519/A161/A334 API 5L/5CT
		Japan	JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464
		German	DIN 1626/17175/1629-4/2448/2391/17200 SEW680
		Britain	BS 1387/1600/1717/1640/3601/3602/3059/1775
		Russia	GOST 8732/8731/3183
		China	GB/T8162/T8163 GB5310/6579/9948
3	Material Grade	U.S.A.	Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
		Japan	STPG38,STB30,STS38,STB33,STB42,STS49, STBA23,STPA25,STPA23,STBA20
		German	ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3, 13CrMo44, 1.0309, 1.0305, 1.0405
		Britain	Low, Medium, high
		Russia	10, 20, 35, 45, 20X
		China	10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo, 42Crmo, 27SiMn, 20CrMo
4	Out Diameter		21.3mm-609.6mm
5	Wall Thickness		2.31mm-40mm
6	Length		As per customers' requirements
7	Protection		Plastic caps/ Wooden case
8	Surface		Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer

Q: How are steel pipes used in the infrastructure development?: Steel pipes are widely used in infrastructure development as they provide strength, durability, and versatility for various applications. They are commonly used in the construction of bridges, highways, and buildings as structural elements. Steel pipes are also used in water and sewage systems, as they have excellent corrosion resistance and can withstand high pressure. Additionally, steel pipes are used for transporting oil, gas, and other fluids, making them crucial for the energy industry. Overall, steel pipes play a vital role in the development and maintenance of infrastructure, ensuring its stability and functionality.

Q: Can steel pipes be threaded?: Yes, steel pipes can be threaded. Threading is a common process used to create screw-like ridges on the ends of the steel pipes, allowing them to be easily connected to fittings or other pipes.

Q: What are the different methods of pipe inspection for steel pipes?: There are several methods of pipe inspection that can be used for steel pipes. Some of the commonly used methods are as follows: 1. Visual Inspection: This is the most basic form of pipe inspection where a trained inspector visually examines the exterior and interior of the pipe to identify any visible defects or abnormalities. This method is often used as a preliminary inspection before more advanced techniques are employed. 2. Magnetic Particle Inspection (MPI): MPI involves applying a magnetic field to the steel pipe and then applying iron particles to the surface. Any surface cracks or defects in the pipe will cause a leakage of magnetic flux, which can be detected by the inspector. This method is particularly effective in identifying surface defects in ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect internal defects or anomalies in steel pipes. A transducer is used to send ultrasonic waves into the pipe, and the reflections or echoes of the sound waves are analyzed to determine the presence of defects such as corrosion, cracks, or wall thickness variations. 4. Radiographic Testing (RT): In this method, X-rays or gamma rays are used to create an image of the internal structure of the steel pipe. The X-rays or gamma rays pass through the pipe, and the resulting image can reveal any defects, such as cracks, corrosion, or weld discontinuities. This method is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in steel pipes. A coil carrying an alternating current is passed over the pipe's surface, and any changes in the electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET is a method that detects and analyzes the high-frequency acoustic signals emitted by materials when they undergo deformation or damage. In the case of steel pipes, AET can be used to monitor and identify defects such as cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These are just a few of the commonly used methods of pipe inspection for steel pipes. The choice of method depends on various factors such as the type of defect being looked for, the accessibility of the pipe, the desired level of sensitivity, and the cost and time constraints. It is often recommended to use a combination of inspection techniques to ensure a thorough assessment of the steel pipes.

Q: What is the thermal conductivity of steel pipes?: The specific type of steel used and its composition can cause variations in the thermal conductivity of steel pipes. On average, the thermal conductivity of steel pipes ranges between 50-60 watts per meter-kelvin (W/mK). This indicates that steel pipes possess a relatively high ability to conduct heat, facilitating efficient thermal energy transfer. Given their high thermal conductivity, steel pipes find suitability in numerous applications such as heating systems, industrial processes, and infrastructure projects where heat transfer plays a crucial role.

Q: What's the actual size of the DN25?: DN25 refers to the theoretical size of the inner hole of the pipe. That is to say, the theoretical dimension of the inner diameter of the pipe is 25 (the metric tube refers to the inner diameter, and the English tube is also to indicate the inner diameter, for example: 3/8, the inner diameter is 9.525, and the diameter of the 1/2 is 12.7, and the diameter of the 5/8 is 15.875). The outer diameter is theoretical in diameter, plus the wall thickness specified by the state (which is artificially specified and has no formula)The theoretical diameter of DN25 is 25, and the outer diameter is Phi 33.7 and phi 32(but there is also the outside diameter of the mark. The mark is: the outer diameter * wall thickness, such as: 32 * 2, that is to say, the outer diameter is 30, the inner diameter is 26)

Q: Are steel pipes suitable for HVAC systems?: Indeed, steel pipes prove to be a suitable option for HVAC systems. HVAC applications widely favor steel pipes due to their numerous advantages. Initially, their robustness and durability enable them to endure the high pressure and temperature requirements commonly associated with HVAC systems. Furthermore, steel pipes exhibit exceptional resistance to corrosion, rendering them suitable for both indoor and outdoor installations. Moreover, their extended lifespan significantly reduces the need for frequent replacements or repairs. Additionally, the availability of steel pipes in various sizes and thicknesses facilitates effortless customization and installation. Lastly, steel pipes offer a cost-effective solution for HVAC systems compared to alternative materials, making them a financially efficient choice. In conclusion, steel pipes emerge as a reliable and appropriate selection for HVAC systems due to their strength, durability, corrosion resistance, availability, and cost-effectiveness.

Q: Seamless steel pipe 8162 and 8163 what is the difference?: GB 8162 is the structure of the tube, there is no need for flaw detection, the use of mechanical processing, stents;

Q: What are the different surface finishes available for steel pipes?: There are several different surface finishes available for steel pipes, including mill finish, hot-dip galvanized, black oxide, epoxy coating, and powder coating.

Q: What is the maximum temperature that steel pipes can handle?: The maximum temperature that steel pipes can handle depends on the specific grade of steel being used. However, most common steel pipes can withstand temperatures up to around 1000 degrees Celsius (1832 degrees Fahrenheit) without significant structural damage.

Q: How are steel pipes used in the manufacturing of power distribution systems?: Steel pipes are commonly used in the manufacturing of power distribution systems as they provide a reliable and durable solution for transporting and protecting electrical cables. They are used to create conduits that house the cables, ensuring safe and efficient transmission of electricity throughout the system. Steel pipes also offer resistance to corrosion, fire, and extreme weather conditions, making them a suitable choice for power distribution systems.

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