Cushion Lap Tray Hot Selling

Ref Price:: $2.00 - 3.00 / pc

Loading Port:: Shenzhen

Payment Terms:: L/C,T/T

Min Order Qty:: 1000 Sets pc

Supply Capability:: 600,000 Set/Sets per Month pc/month

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Seamless Steel Pipe Widely Used Multi Models

Seamless Steel Pipe With Best Quality And High Quality GB5310

Specifications

1.ASTM A106/A53 GR.B
2.Outer diameter:10.3-194.4mm
3.Wall thickness:6.5-59mm
4.Cer:ISO9001:2008,API

Seamless steel pipe

(1) Standard: GB8163, ASTM A106/A53/API 5L

(2) Material: 10#, 20#, 16Mn, A106Gr.A/B/C,

(3)Specification: O.D: 21.3mm-711.2 mm
(4) W.T: 2.11mm-59.54mm

Technical Parameters of Seamless Steel Pipe

A53: Chemical components and mechanical property

Stan- dard	Trade mark	Chemical components	Mechanical property
C	Si	Mn	P,S	Cu	Ni	Mo	Cr	V	Tensile Strength	Yield Strength	Elongation
ASTM A53	A	≤0.25	/	≤0.92	≤0.05	≤0.06	≤0.40	≤0.15	≤0.40	≤0.08	≥330	≥205	≥29.5
B	≤0.30	/	≤1.2	≤0.05	≤0.06	≤0.40	≤0.15	≤0.40	≤0.08	≥415	≥240	≥29.5

Stan-

dard

Trade

mark

Chemical components

Mechanical property

P,S

Tensile

Strength

Yield

Strength

Elongation

ASTM

A53

≤0.25

≤0.92

≤0.05

≤0.06

≤0.40

≤0.15

≤0.40

≤0.08

≥330

≥205

≥29.5

≤0.30

≤1.2

≤0.05

≤0.06

≤0.40

≤0.15

≤0.40

≤0.08

≥415

≥240

≥29.5

A106: Chemical components and mechanical property

Stan-dard	Trade mark	Chemical components	Mechanical property
C	Si	Mn	P,S	Cu	Ni	Mo	Cr	V	Tensile Strength	Yield Strength	Elongation
ASTM A106	B	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08	≥415	≥240	≥30
C	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08	≥485	≥275	≥30

Stan-dard

Trade mark

Chemical components

Mechanical property

P,S

Tensile Strength

Yield

Strength

Elongation

ASTM

A106

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.40

≤0.15

≤0.40

≤0.08

≥415

≥240

≥30

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.40

≤0.15

≤0.40

≤0.08

≥485

≥275

≥30

PSL 1: Chemical components and mechanical property

Class and Sort		Chemical components				Mechanical property
Class and Sort		C(Max)	Mn(Max)	P(Max)	S(Max)	Tensile Strength(Min)		Yield Strength(Min)
A25	CL I	0.21	0.60	0.030	0.030	45.000	310	25.000	172
A25	CL II	0.21	0.60	0.030	0.030	45.000	310	25.000	172
A		0.22	0.90	0.030	0.030	48.000	331	30.000	207
B		0.28	1.20	0.030	0.030	60.000	414	35.000	241
X42		0.28	1.30	0.030	0.030	60.000	414	42.000	290
X46		0.28	1.40	0.030	0.030	63.000	434	46.000	317
X52		0.28	1.40	0.030	0.030	66.000	455	52.000	359
X56		0.28	1.40	0.030	0.030	71.000	490	56.000	386
X60		0.28	1.40	0.030	0.030	75.000	517	60.000	414
X65		0.28	1.40	0.030	0.030	77.000	531	65.000	448
X70		0.28	1.40	0.030	0.030	82.000	565	70.000	483

Our catalog of Seamless steel pipe

item	material	standard	specification (OD*WT)mm	usage
alloy pipe	Cr5Mo. 15CrMo 13CrMo44 12Cr1MoV P22 T91,P91,P9, T9 Wb36	GB5310-95 GB9948-88 ASTMA335/A335M ASTMA213/213M DIN17175-79 JISG3467-88 JISG3458-88	16-824*2-100	The seamless steal pipes features resistance to high pressure, high/low temperature and corrosion and is used in the industries of petroleum, chemical engineering and. Electric power as well as boiler
High-pressure boiler pipe	20G,A106, ST 45	GB5310-95 ASTM A 106-99 DIN17175-79	14-630*2-80	Temperature-resistant seamless steel pipe far high-pressure boiler
Seamless pipes for petroleum	20, 12CrMo, 15CrMo	GB9948-88	10-530*1.5-36	Boiler pipes for refinery, heat-exchanging pipes, seamless steel pipes for pipeline
High-pressure Seamless pipes for fertilizer making equipment	20, 16Mn, Q345	GB6479-2000	18-530*3-40	Fertilizer making equipment and pipe line
Low and medium- pressure boiled pipe	10,20	GB3087-1999	10-530*2-40	Over-heat pipe for low and medium pressure boiler, boiling water pipe, locomotive smoke pipe(big and small)
Fluid pipe	20, Q345	GB/T8163-1999	8-630*1.0-40	Fluid feeding
Structural pipe	20, Q345 10, 20,35,45, 16Mn,Q345B	GB/T8162-1999	6-1020*1.5-100	For common structure
Line pipe	Gr.B	API	60-630*1.5-40	Carrying gas, water or oil in the industries of petroleum and natural gas
Hydraulic prop pipe	27SiMn	GB/T17396-1998	70-377*9-40	Hydraulic support and prop

Q: Material of welded steel pipe: GB/T3092-1993 (galvanized steel pipe for low pressure fluid delivery). Mainly used to transport water, gas, air, oil and heating, hot water or steam, etc. generally lower pressure fluid and other use tube. Its representative material is: Q235 grade a steel.GB/T14291-1992 (mine fluid conveying welded steel pipe). It is mainly used in mine pressure air, drainage and vertical seam gas welding pipe. Its representative material is Q235A, B grade steel.

Q: What are the different methods of pipe lining for steel pipes?: There are several different methods of pipe lining for steel pipes, each with its own unique features and benefits. These methods include: 1. Spray lining: In this method, a specially formulated coating is sprayed onto the interior surface of the steel pipe. The coating adheres to the pipe and forms a protective barrier against corrosion and chemical damage. Spray lining is relatively quick and cost-effective, making it a popular choice for smaller diameter pipes. 2. Cured-in-place pipe lining (CIPP): CIPP involves inserting a flexible liner into the steel pipe and then curing it in place using steam or hot water. This method creates a seamless and durable lining that restores the structural integrity of the pipe. CIPP is commonly used for larger diameter pipes and can be installed without the need for excavation. 3. Slip lining: Slip lining involves inserting a slightly smaller diameter pipe into the existing steel pipe. The annular space between the two pipes is then grouted or filled with a cementitious material. This method is effective in rehabilitating pipes with minor defects or damages and can significantly increase the pipe's lifespan. 4. Fold-and-form lining: In this method, a flexible liner is inserted into the steel pipe and then expanded to the pipe's diameter using a mechanical or hydraulic process. The liner is then folded and formed to fit the contours of the pipe before being cured in place. Fold-and-form lining is ideal for pipes with irregular shapes or bends. 5. Coating lining: Coating lining involves applying a protective coating to the interior surface of the steel pipe. The coating can be sprayed, brushed, or rolled onto the pipe's surface and provides a barrier against corrosion and chemical damage. This method is commonly used for large diameter pipes or pipes in harsh environments. Each of these methods has its own advantages and disadvantages, and the choice of the lining method will depend on factors such as pipe diameter, condition, budget, and project requirements. It is important to consult with a professional pipe lining contractor to determine the most suitable method for a specific steel pipe rehabilitation project.

Q: What are the advantages of using pre-fabricated steel pipes?: Using pre-fabricated steel pipes in various applications has several advantages. Firstly, these pipes offer a high level of durability and strength due to the robustness and resistance of steel to external forces. This makes them ideal for withstanding high pressure or heavy loads, resulting in a longer lifespan compared to other materials and reducing the need for frequent replacements and maintenance. Secondly, pre-fabricated steel pipes provide excellent corrosion resistance by being coated with protective layers like galvanization or epoxy, preventing rusting and corrosion. This is especially important in industries or environments where the pipes may come into contact with moisture, chemicals, or other corrosive substances. By utilizing pre-fabricated steel pipes, the risk of leaks, deterioration, or failure due to corrosion is significantly reduced. Another advantage of these pipes is their versatility and ease of installation. They are manufactured to precise specifications before being delivered to the site, allowing for quick and efficient installation. Their modular nature enables easy assembly, disassembly, and reconfiguration, making them suitable for a wide range of applications. Additionally, pre-fabricated steel pipes can be seamlessly integrated with other building components, reducing installation time and costs. Furthermore, pre-fabricated steel pipes are more environmentally friendly compared to other materials. Steel is highly recyclable, and using pre-fabricated pipes reduces the consumption of natural resources and energy required for production. The long lifespan of steel pipes also reduces waste generation and the need for frequent replacements, contributing to sustainability efforts. Lastly, pre-fabricated steel pipes offer cost advantages. Although the initial cost may be higher than some other materials, their durability and low maintenance requirements result in long-term cost savings. The reduced need for repairs, replacements, and maintenance, along with the ease of installation, lead to lower overall project costs and reduced downtime. In summary, the advantages of pre-fabricated steel pipes include durability, corrosion resistance, versatility, ease of installation, environmental friendliness, and cost-effectiveness. These benefits make them the preferred choice for various industries and applications.

Q: Are the welded and galvanized tubes the same weight?: There should be no difference in the weight of the same specifications for the welded pipe and galvanized pipe. The slight difference is that the galvanized pipe should be pickled before galvanizing and must digest some iron and then galvanized. The difference depends on the difference in the process. So the theoretical calculations are the same.

Q: What is the difference between steel pipe and PVC pipe?: Both steel pipe and PVC pipe are commonly utilized materials for plumbing and other construction purposes; however, they possess several distinct dissimilarities. To begin with, the materials themselves differ. Steel pipe is manufactured from a blend of iron and carbon, known as steel. This material is renowned for its robustness and durability, rendering it appropriate for high-pressure applications and subterranean installations. Conversely, PVC (polyvinyl chloride) pipe is crafted from a type of plastic called PVC. PVC pipe is characterized by its lightweight nature, flexibility, and ease of handling, making it a favored choice for residential plumbing and irrigation systems. Next, the installation process varies. Steel pipe necessitates skilled labor and specialized tools for cutting, threading, and welding. It frequently involves a complex installation procedure, particularly for larger pipe sizes. Conversely, PVC pipe can be effortlessly cut with a saw or specialized pipe cutter and joined together utilizing solvent cement or threaded fittings. This renders PVC pipe more suitable for DIY projects and simpler installations. Moreover, steel pipe incurs greater costs compared to PVC pipe. Steel is a pricier material, and the manufacturing process for steel pipe is more intricate, entailing multiple steps and additional materials. PVC pipe, as a plastic-based material, is generally less expensive and more cost-effective, particularly for smaller diameter applications. In terms of performance, steel pipe possesses greater tensile strength, can endure higher levels of pressure, and exhibits greater resistance to temperature fluctuations, rendering it ideal for heavy-duty and industrial applications. Conversely, PVC pipe possesses lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. PVC pipe is commonly employed in residential plumbing, irrigation systems, and other non-industrial applications. To summarize, the primary disparities between steel pipe and PVC pipe revolve around the materials used, installation processes, costs, and performance characteristics. While steel pipe is sturdier and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial purposes.

Q: Is hot dipped plastic pipe steel?: The hot dipped plastic steel pipe is a steel pipe, and it is made of special antiseptic treated composite steel pipe.

Q: What is the maximum bending radius for steel pipes?: The maximum bending radius for steel pipes depends on various factors, such as the pipe diameter, wall thickness, and the type of steel used. Generally, larger diameter pipes with thicker walls have a larger maximum bending radius. However, it is important to follow industry standards and guidelines to ensure the structural integrity of the pipe is maintained during the bending process. Consulting the manufacturer's specifications or referring to relevant codes and standards, such as the American Society of Mechanical Engineers (ASME) B31.1 or B31.3, can provide specific information on the maximum bending radius for steel pipes in different applications.

Q: What are the different grades of steel used for manufacturing pipes?: The different grades of steel used for manufacturing pipes vary depending on their intended applications. Some common grades include carbon steel, stainless steel, and alloy steel. Carbon steel is commonly used for general-purpose piping due to its affordability and strength. Stainless steel is preferred for corrosive environments or high-temperature applications due to its resistance to corrosion. Alloy steel, on the other hand, offers improved strength and durability and is often used for specialized applications such as oil and gas pipelines.

Q: Can steel pipes be used for compressed air systems?: Yes, steel pipes can be used for compressed air systems. Steel pipes are commonly used due to their durability, corrosion resistance, and ability to withstand high pressure. However, it is important to ensure that the steel pipes are properly sized and installed to meet the specific requirements of the compressed air system.

Q: What is PE coated steel pipe? Seek explanation: The appearance of the native HDPE is milky white and is somewhat translucent in the narrow cross section. PE has excellent properties that are resistant to most life and industrial chemicals. Polyethylene (PE) pipe due to its unique advantages and is widely used in building water supply, drainage, underground drainage pipe, building heating, gas pipelines, electrical and telecommunications, industrial protective casing pipes, agricultural pipes etc.. The utility model is mainly used for urban water supply, urban gas supply and farmland irrigation.

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