DIN 1629 Steel Pipe
DIN 1629 is the standard specification for seamless round tubes of non-alloy steel with special quality requirements. It is mainly used in areas where high performance and durability are required.DIN 1629 tubes are available in three grades: ST37, ST44, ST52. The tubes are manufactured using high-quality raw materials and state-of-the-art production technology.DIN 1629 hollow sections offer excellent weldability, formability and toughness for a wide range of industrial applications.
Gnee is an experienced supplier of steel tubes. We can offer you DIN 1629 steel tubes in all grades and size ranges. We also offer steel fabrication services where tubes can be cut, welded, bent, machined, pre-coated, pre-lined, beveled, or processed to your specifications. Please email us today for the latest prices.
General Parameters Of DIN 1629 Steel Pipe
| Product | DIN 1629 Steel Pipe |
| WT | 4mm-100mm |
| OD | 42mm-1200mm |
| Length | 4m-12m or as required |
| Origin | China |
| Monthly Output | 20 million-30 million pieces per month |
| Applications | Pipeline steel pipe, vessel steel pipe, fluid pipe for low&medium pressure boiler |
| Surface | Bared or painted, galvanized or with oiled or client option. |
| Delivery state | Hot Rolled, Cold Drawn |
| Steel Grade | St37, St44, St52 |
| Supplementary Technology | Tensile test, flattening test, leak tightness test, surface inspection, product analysis. Beveled end, plain end, varnished, or adding plastic caps as per customer’s requirements |
More information About DIN 1629 Steel Pipe
| Chemical Composition(%) | |||||
| Steel Grade | C | Si | Mn | P | S |
| St37 | ≤0.17 | – | – | ≤0.035 | ≤0.035 |
| St44 | ≤0.21 | – | – | ≤0.035 | ≤0.035 |
| St52.0 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 |
| Mechanical Properties | ||||
| Steel Grade | Tensile strength(Mpa) | Yield point(Mpa) | Elongation(%)L | Elongation(%)T |
| St37 | 350-480 | ≥235 | ≥25 | ≥23 |
| St44 | 420-550 | ≥275 | ≥21 | ≥19 |
| St52.0 | 500-650 | ≥355 | ≥21 | ≥19 |
DIN 1629 Steel Pipe Equivalent Steel Grade
| DIN 1629 | EN | BS NFA 49.210/49.112 | ASTM 53 |
| Grade St 37 | EN 10216.1Grade P235 T1 | Grade TU 37 B TU E 220 A | Grade B |
| Grade St 44 | EN 10216.1Grade P275T1 | Grade TU 42 B TU E 235 A | Grade B |
| Grade St 52-0 | EN 10216-3Grade P355N | NFA Grade P355N | ASME SA 381 Grade Y 52 |
Applications And Advantages of DIN 1629 Steel Pipe
Gnee has been providing high quality DIN 1629 steel pipes with a variety of excellent properties to customers around the world for 15 years. Get a quote now.
High Strength
DIN 1629 steel pipes are known for their high tensile strength and resistance to deformation under stress, making them suitable for applications requiring robust and durable piping solutions.
Corrosion Resistance
Depending on the material composition, DIN 1629 steel pipes can exhibit good corrosion resistance, which is essential for applications where exposure to corrosive environments is a concern.
Quality Standards
DIN 1629 steel pipes conform to rigorous quality standards set by DIN, ensuring consistent quality, performance, and reliability in demanding applications.
Temperature Stability
These pipes can withstand a wide range of temperatures, making them suitable for applications that involve extreme temperature variations.
Why Choose Gnee As A Steel Pipe Distributor?
In addition, our tubes have been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.
What Services Does Gnee Provide?
Gnee can provide the following measurement services for pipe:
1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements: The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.
Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.
● According to the strength requirements of structural design, adjust the thickness, width, and length of pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.
Purchasing Gnee steel pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.
Cutting service: Pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Pipe can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in pipes by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.
Gnee can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that pipes comply with relevant standards and regulations.
Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of pipes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of pipe, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.
