DIN 1629 ST 52 SMLS Steel Pipe
BRISK STEEL FOCUS ON PRODUCE AND SUPPLY HOLLOW SECTION AND STEEL PIPE
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About UsBrisk Steel Group is a leading manufacturer and distributor of steel structures, steel tubes and pipes in diverse fields such as infrastructure and construction industry, machinery industry, new energy projects ect.
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ProductsIt is a large steel structural company from design, manufacturing to erection with the certificate of First Grade Qualification of Professional Contracting of Steel Structure.we are dedicated to manufacturing square, rectangular, circular hollow sections,weld steel pipe,GI pipe and LSAW Pipe for bridge and steel structural products like warehouse, automated parking system, electricity tower and ect. to satisfy customers' needs for different products.
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BLOGCustomers choose and trust us not only because of our stable quality but also pre-sales service and post-sales service along with the products. Each of our employee dealing with clients is a product expert, who will answer clients' questions professionally with great patience and provide clients with excellent customized solutions based on each client's requirement.
Add：Daqiuzhuang Industrial Area,Jinghai County,Tianjin,China
Tel：08618322290777
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DIN 1629 ST 52 Seamles Steel Pipe
- Commodity name： DIN 1629 ST 52 Seamles Steel Pipe
DIN 1629 is a German industrial standard, officially titled 'Technical delivery conditions for non-alloy seamless circular steel pipes with special quality requirements.' The main steel grades are St37.0, St44.0, and St52.0. It is mainly used for seamless steel pipes in the fields of chemical engineering, mechanical engineering, and pressure vessels.
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- 产品描述
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Product Introduction
- Product name: DIN 1629 ST 52 Seamles Steel Pipe / DIN 1629 ST 52 SMLS Steel Pipe
- OD(MM): 10.2 - 660
Wall Thicknesses(MM): 1.6 - 65
Length: 5.8/6/12m or as customer request - Coating: Paint, antirust oil, galvanized, FBE, 3LPE, etc.
- Port of loading:Tianjin xingang port of China.
- Brand:Tianjin Brisk Metalwork Co.,Ltd
PRODUCT
Brisk Metalwork Co.,Ltd focus on produce and supply hollow section and steel pipe
DIN 1629 ST 52 SMLS Steel Pipe
DIN 1629 ST 52 SMLS Steel Pipe
DIN 1629 ST 52 SMLS Steel Pipe
Chemical Composition
Chemical Composition % max Grade Steel name C Si Mn P S St37.0 1.0254 0.17 0.35 1.4 0.04 0.04 St44.0 1.0256 0.21 0.35 1.5 0.04 0.04 St52.0 1.0421 0.22 0.55 1.6 0.04 0.04 a. Addition of nitrogen fixing elements (e.g. not less than 0.020 % Altot)
b. The content shall not exceed 0.55% Si and 1.60 % Mn in the cast analysis or 0.60 % Si and 1.70 % Mn in the product analysis. Mechanical Properties
- Room Temperature Mechanical Properties
Grade Upper yield stress, ReH Tensile strength
RmElongation after fracture A for wall thickness, in mm ≤ 16 ＞16 ≤40 ＞40 ≤65 longitudinal transverse MPa, min MPa %, min St52.0 355 345 335 500 – 650 21 19 - High-temperature yield strength reference (N/mm², wall thickness ≤16mm)
Grade Upper yield stress values for a design temperature of 50 ℃ 200 ℃ 250 ℃ 300 ℃ ≤ 16 ＞16 ≤40 ＞40 ≤65 ≤ 16 ＞16 ≤40 ＞40 ≤65 ≤ 16 ＞16 ≤40 ＞40 ≤65 ≤ 16 ＞16 ≤40 ＞40 ≤65 St52.0 355 345 335 245 235 230 225 215 210 195 190 185 Product Applicant And Equivalent
Applicant Field:
- Chemical / Pressure Vessels: medium- to high-pressure process pipelines, reactor jackets, high-pressure fluid transportation pipes;
- Energy & Power: high-pressure feedwater pipelines in thermal power plants, high-pressure compressor bundles in natural gas processing plants, heavy-duty components of power plant heat exchangers;
- Mechanical Engineering: high-pressure hydraulic cylinder barrels, spindle sleeves of heavy machine tools, core load-bearing pipes in construction machinery;
- Transportation Equipment: steering knuckle sleeves for heavy trucks, load-bearing pipes for special vehicle chassis, high-pressure hydraulic lines for commercial vehicles;
- Steel Structures / Infrastructure: load-bearing support columns for large-span factories, heavy temporary support pipes for bridges, foundational piping for heavy equipment.
DIN 1629 St52 Core Advantages:
- Excellent Strength: Room temperature yield strength ≥ 355 MPa, maintaining a yield strength of 245 MPa at 300°C, suitable for high-pressure/high-temperature conditions;
- Good Toughness: Impact energy at 0°C ≥ 27J, resistant to impact and fatigue, able to withstand pressure fluctuations and mechanical vibrations;
- Good Manufacturability: Excellent weldability and cold workability, high dimensional accuracy, suitable for on-site welding and precision component processing;
- High Reliability: Uniform material composition, seamless forming without welding defects, pressure-resistant and leak-proof, suitable for long-term operation scenarios in chemical, energy, and other industries.
Core Advantage
Brisk Steel Group is rooted in a culture of "technology as the backbone, quality as the soul, and customers as the heart." Through relentless innovation, global expansion, and a commitment to responsibility, we strive to become a trusted global partner and a technological benchmark in the steel manufacturing industry.
Craftsmanship with Precision
We adhere to a rigorous quality control system that spans the entire production process—from raw material procurement and manufacturing to product delivery—ensuring the highest standards of excellence.
Innovation-Driven Technological Leadership
We prioritize R&D and technological advancement, integrating cutting-edge production lines (e.g., JCOE large-diameter LSAW pipe production) and expert teams from countries like Germany and the Netherlands to maintain our position at the forefront of the industry.
Globalization and Open Collaboration
Actively engaging in the global supply chain, we have obtained international certifications such as CE marking, enabling our products and services to reach worldwide markets.
Professional Team and Talent Empowerment
We value the recruitment and development of technical talent, building an international and professional team that drives continuous growth.
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