1020 Carbon Seamless Steel Pipe 20CrMo CNBM

1020 Carbon Seamless Steel Pipe 20CrMo CNBM System 1

1020 Carbon Seamless Steel Pipe 20CrMo CNBM System 2

1020 Carbon Seamless Steel Pipe 20CrMo 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: Can steel pipes be used for brewery installations?: Indeed, brewery installations can utilize steel pipes. Within breweries, steel pipes are frequently employed for a multitude of purposes, including fluid transfer, equipment interconnection, and plumbing system establishment. Steel pipes boast exceptional durability, strength, and resistance to corrosion, rendering them apt for handling the challenging conditions and high-pressure environments typically encountered in brewery installations. Moreover, the ability to weld steel pipes together enables seamless connections, guaranteeing a dependable and leakage-free operation. Nevertheless, it remains crucial to ensure that the steel pipes employed in brewery installations comply with the requisite standards and regulations, thereby safeguarding the safety and quality of the beer production process.

Q: How are steel pipes classified based on their schedule?: Steel pipes are classified based on their schedule, which refers to the thickness of the pipe wall. The schedule classification is denoted by a number, such as 10, 20, 40, 80, etc., with higher numbers indicating thicker walls.

Q: How does the price of steel pipes vary based on size and grade?: The price of steel pipes varies based on their size and grade. Generally, larger pipes tend to have higher prices due to the increased amount of materials and manufacturing processes involved. Additionally, the grade of steel used in the pipes also affects the price, with higher-grade steel pipes being more expensive. This is because higher-grade steel offers better strength, durability, and corrosion resistance, making it suitable for specialized applications. Therefore, the price of steel pipes increases as both the size and grade increase.

Q: How are steel pipes resistant to corrosion?: Steel pipes are resistant to corrosion due to a combination of factors. Firstly, steel pipes are often coated with a protective layer, such as zinc or epoxy, which acts as a barrier between the steel and the surrounding environment. This coating prevents moisture and other corrosive substances from coming into contact with the steel, reducing the chances of corrosion. Additionally, the composition of steel itself plays a role in its corrosion resistance. Steel is primarily made up of iron, with small amounts of other elements added to enhance its strength and durability. These elements, such as chromium and nickel, create a protective oxide layer on the surface of the steel. This oxide layer acts as a natural barrier, preventing the underlying steel from being exposed to moisture and oxygen, which are key contributors to corrosion. Furthermore, steel pipes can be treated through 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 sacrificially corrodes instead of the steel, further 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. This makes them highly durable and suitable for various applications, including plumbing, construction, and transportation of fluids and gases.

Q: What is the difference between internal coating and external lining of steel pipes?: The main difference between internal coating and external lining of steel pipes lies in their purpose and location. Internal coating refers to the application of protective materials on the inner surface of the steel pipe, primarily to prevent corrosion, improve flow efficiency, and maintain the quality of transported fluids. On the other hand, external lining involves applying protective materials to the outer surface of the steel pipe, mainly for corrosion resistance, insulation, and protection against external elements. Therefore, while internal coating focuses on the interior protection and performance of the pipe, external lining shields the pipe from environmental factors and external damage.

Q: What are the different methods of inspecting steel pipes?: There are several methods of inspecting steel pipes, including visual inspection, non-destructive testing (such as ultrasonic testing, magnetic particle testing, and dye penetrant testing), radiographic testing, and eddy current testing. These methods help identify any defects, such as cracks, corrosion, or wall thickness variations, ensuring the quality and integrity of the steel pipes.

Q: What is the difference between steel pipes and FRP pipes?: Steel pipes and FRP (Fiberglass Reinforced Plastic) pipes differ in their material composition, properties, and applications. While steel pipes are made from steel, FRP pipes are composed of a combination of resin and fiberglass. Steel pipes are known for their high strength and durability, making them suitable for heavy-duty applications such as transporting oil, gas, and water. On the other hand, FRP pipes are lightweight, corrosion-resistant, and have excellent chemical resistance, making them ideal for applications where corrosion is a concern, such as in the chemical industry or in sewage systems. Furthermore, FRP pipes offer better insulation properties and are easier to install due to their lighter weight. Overall, the choice between steel pipes and FRP pipes depends on the specific requirements and conditions of the application.

Q: How are steel pipes used in high-rise buildings?: Steel pipes are used in high-rise buildings for various purposes, including structural support, plumbing, and HVAC systems. They provide the necessary strength and durability to withstand the weight and forces exerted on tall buildings, while also facilitating the efficient distribution of water, gas, and air throughout the entire structure.

Q: What are the different types of steel pipe bends?: There are three main types of steel pipe bends: 90-degree bends, 45-degree bends, and 180-degree bends. These bends are commonly used in piping systems to redirect the flow of fluids or gases in a desired direction.

Q: What is the difference between hot-finished and cold-finished steel pipes?: Distinguishing hot-finished and cold-finished steel pipes can be done by examining their manufacturing processes, which lead to different characteristics and applications. To create hot-finished steel pipes, a solid steel billet is heated to a high temperature and then pierced to form a hollow tube. This process, known as hot rolling, ensures that the steel is easily shaped and malleable. As a result, hot-finished steel pipes have rough surfaces and rounded edges. They are generally larger in diameter and have thicker walls. These pipes are commonly utilized in industries that demand high strength and pressure resistance, like the oil and gas sector, structural projects, and heavy machinery manufacturing. On the other hand, cold-finished steel pipes are produced using a process called cold drawing. This involves pulling the hot-finished steel pipe through a die at room temperature to reduce its diameter and achieve the desired shape. The cold drawing process yields a more precise and smoother finish for the steel pipes. Cold-finished steel pipes possess smoother surfaces and sharper edges compared to their hot-finished counterparts. They are typically smaller in diameter and have thinner walls. Cold-finished steel pipes are commonly applied in industries that require accurate dimensions, such as automotive part manufacturing, construction component fabrication, and machinery production. In conclusion, the primary disparity between hot-finished and cold-finished steel pipes stems from their manufacturing processes, resulting in variations in surface finish, dimensions, and applications. Hot-finished pipes are suitable for applications that demand high strength and pressure resistance, while cold-finished pipes are ideal for applications that require precise dimensions and smooth surfaces.

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