| After-sales Service: | 24-Hour Service |
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| Warranty: | Perpetual Warranty |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Stainless Steel |
| Surface Treatment: | Galvanized |
| Samples: |
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| Customization: |
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Seamless Steel Pipe is a type of steel pipe made from a single piece of metal without any welding or joints. It is widely used in various industries such as oil and gas, construction, and mechanical engineering due to its high strength, durability, and corrosion resistance.
Great Steel's Seamless Steel Pipes are available in different materials such as carbon steel, alloy steel, and stainless steel, and are manufactured in accordance with international standards such as ASTM, DIN, and JIS. The size range of our pipes is from 1/8" to 36" in outer diameter (OD) and from SCH 10 to SCH XXS in wall thickness (WT).
We offer our Seamless Steel Pipes in fixed lengths of 6 meters or 12 meters, or in random lengths up to 12 meters. The pipes can be surface treated with black, galvanized, or varnished finishes, and can be packed in bundles or as per customer's requirements.
Our Seamless Steel Pipes are certified by ISO, API, and CE, ensuring the highest quality standards. With our extensive experience and expertise, we are committed to providing our customers with the best quality products and services.
| Descriptions | Grades | Standard | Specification(OD*WT)mm | Usage |
| Structural steel pipe |
20# 35# 45# Q345B16Mn,Q345B-E.20Mn2,25Mn,30Mn2,40Mn2,45Mn2.SAE1018. SAE1020,SAE1518 SAE1045 |
GB/T8162-2008 | 6-1020*1.5-100 | For commom structure |
| Fluid steel pipe | 10#,20# ASTM A106,A210, A53,16Mn Q345A.B.C.D.E, Q295B.C.D.E |
GB/T8163-2008 | 8-630*1.0-40 | Fluid feeding |
| High pressure boiler pipe | 20G,15MnG.20MnG,15CrMoG,12Cr1MoVG,St35.8. St45,SA106b SA106c.SA210a SA210c.A335P2. P11,P12,P22,P91, P92, A213 T2,T9 T11, T12,T22,T23 T91 |
GB/5310-2008 ASTM A 106-99.DIN 17175- 79 |
14-630*2-80 | Temperature- resistant seamless steel pipe far high-pressure boiler |
| Oil casing pipe | API SPEC 5CT J55 K55,N80,L80,C90 C95,P110 |
API SPEC5CT.SY/T6194-96,GB/T222- 84, |
10-530*1.5- 36 |
Boiler pipes for refinery,heatexchangeing pipes,seamless steel pipes for pipeline |
| Pipeline | API SPEC 5L, X42, X52,X60 X65.X70.X80 ASTM A53, ASTM A106,ASTM A333, BS301,BS3602, BS3603,BS3604 PSL1.PSL2.DNV- OS-F101.CSA-Z245 |
API SPEC 5L. ISO 3183,GB/T 9711 |
60-630*1.5- 40 |
Carrying gas,water or oil in the industries of petroleum and natural gas |
| Alloy steel pipe | 4140,42CrMo,32CrMo,15CrMo Cr5Mo,13CrMo4412Cr1MoV P22 T91,P91,P9,T9, Wb36 |
GB5310-95 GB9948-88, ASTM A335/A335M, ASTM A213/213M, DIN17175-79 JISG3467-88 JISG3458-88 |
16-824*2-100 | The seamless steal pipes features resistance to high presure.high/low temperature and corrosion ano is used in the industries of petroleum, chemical engine ering and. Electric pwer as well as boiler |
| Hydraulic prop pipe |
20#, 45#, 27SiMn, 30CrMoSiA |
GB/T17396- 2009 |
70-377*9-40 | Coal mine hydraulic support and pillar cylinder, column. can also be used for other hydraulic cylinder, column |
Seamless Pipe Production Process Introduction
Seamless pipe production process is a complex and sophisticated process that involves several stages. The following is a brief introduction to the seamless pipe production process.
1. Raw Material Preparation
The first step in the seamless pipe production process is the preparation of raw materials. The raw materials used in the production of seamless pipes are typically carbon steel, alloy steel, and stainless steel. The raw materials are carefully selected and inspected to ensure they meet the required specifications.
2. Heating
The next step in the production process is heating the raw materials to the required temperature. The heating process is typically done in a furnace or a heating chamber. The temperature is carefully controlled to ensure that the raw materials are heated evenly and to the required temperature.
3. Piercing
Once the raw materials have been heated to the required temperature, they are pierced using a piercing mill. The piercing mill is used to create a hollow tube from the raw materials. The piercing process is carefully controlled to ensure that the tube is created to the required specifications.
4. Rolling
The next step in the production process is rolling the tube to the required size and shape. The rolling process is typically done in a rolling mill. The rolling mill is used to reduce the thickness of the tube and to shape it to the required size and shape.
5. Heat Treatment
Once the tube has been rolled to the required size and shape, it is heat treated to improve its strength and durability. The heat treatment process is typically done in a furnace. The tube is heated to a specific temperature and then cooled slowly to improve its strength and durability.
6. Finishing
The final step in the production process is finishing the tube. The tube is typically cut to the required length and then undergoes various finishing processes, such as polishing and cleaning. The finished tube is then inspected to ensure that it meets the required specifications.
In conclusion, the seamless pipe production process is a complex and sophisticated process that involves several stages. Each stage is carefully controlled to ensure that the final product meets the required specifications.
Seamless pipes have several advantages over their welded counterparts:
1. Superior strength: Seamless pipes have no welded seams, which eliminates the weak points that can occur with welded pipes. This results in a product that is much stronger and more durable.
2. Better corrosion resistance: Seamless pipes are made from a single piece of steel, which means there are no joints that can be susceptible to corrosion. This makes them ideal for use in harsh environments where corrosion is a concern.
3. Increased reliability: Because seamless pipes are made from a single piece of steel, they are less likely to fail due to manufacturing defects or other issues. This makes them a more reliable choice for critical applications.
4. Better flow characteristics: Seamless pipes have a smooth interior surface, which reduces friction and improves flow rates. This makes them ideal for use in applications where high flow rates are required.
5. More cost-effective: Although seamless pipes are generally more expensive to produce than welded pipes, they are often more cost-effective in the long run due to their superior strength and reliability.
The following are some common packaging methods for seamless pipes:
1. Bundled packaging,2. Wooden box packaging,3. Steel crate packaging,4. Container packaging.
It is important to ensure that the packaging is strong enough to withstand the rigors of transportation. The packaging should also be labeled clearly with the product name, size, and quantity. This will help to ensure that the pipes are handled properly during transportation and that they arrive at their destination in good condition.
Company profile
Shandong Great Steel Co.,Ltd is a large industrial and trade integration group compan,located in Shandong Province,China.
Q1:Can we supply the sample?
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