DIN 2391 ST52 NBK Carbon Steel Round Tube
ST52 NBK Carbon Steel Round Tube, DIN 2391 ST52 NBK Carbon Steel Round Tube Supplier, DIN 2391 NBK CS Round Tube Stockist.
What is DIN 2391 ST52 nbk carbon steel tube, and what are its key features?
DIN 2391 ST52 NBK Carbon Steel Tube is a type of seamless precision steel tube that conforms to the DIN 2391 standard. It is made from carbon steel, known for its excellent strength, durability, and resistance to corrosion. The "ST52" designation refers to the grade of steel used, indicating a minimum yield strength of 52,000 psi. The "nbk" suffix means "normalized, cold-drawn," indicating the production process of this tube.
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The key features of the DIN 2391 ST52 nbk carbon steel tube include its high precision, smooth internal and external surfaces, and tight dimensional tolerances. These attributes make it suitable for various critical applications that require precise dimensions and superior mechanical properties. The seamless nature of this tube eliminates the risk of leakage and enhances its structural integrity. Additionally, its excellent machinability allows for ease of fabrication and installation.
What are the applications of DIN 2391 ST52 nbk carbon steel tubes in various industries?
DIN 2391 ST52 nbk carbon steel tube finds extensive applications across various industries due to its exceptional properties and reliability. In the automotive industry, it is commonly used for manufacturing precision components such as fuel injection systems, hydraulic cylinders, and steering mechanisms. Its high strength and dimensional accuracy makes it ideal for critical applications that require resistance to vibration, impact, and fatigue.
DIN 2391 ST52 nbk carbon steel tube is widely used in mechanical engineering to construct machinery and equipment. It is utilized to fabricate precision components like shafts, gears, and bearings, where precise dimensions and excellent mechanical properties are crucial. The seamless nature of the tube ensures a smooth flow of fluids and gases, making it suitable for hydraulic and pneumatic systems.
Another significant application of this carbon steel tube is in constructing hydraulic systems. DIN 2391 ST52 nbk carbon steel tube is utilized to manufacture hydraulic cylinders, hydraulic lines, and other components operating under high-pressure conditions. Its ability to withstand intense hydraulic forces and its corrosion resistance make it a reliable choice for these demanding applications.
Tube Standard | - |
Tube Dimension | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
Seamless Tube Sizes | 1 / 2" NB - 16" NB |
Welded Tube Sizes | 1 / 2" NB - 24" NB |
Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Tube Manufacturing Process | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
CS Tube Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Tube Length | Single Random, Double Random, Standard & Cut length |
Tube End Types | Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends) |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for CS Tubes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
ST52 NBK Carbon Steel Round Tube, DIN 2391 ST52 NBK Carbon Steel Round Tube Supplier, DIN 2391 NBK CS Round Tube Stockist.
ST52 NBK Carbon Steel Square Tube, DIN 2391 ST52 NBK Carbon Steel Square Tube Supplier, DIN 2391 NBK CS Square Tube Stockist.
ST52 NBK Carbon Steel Rectangular Tube, DIN 2391 ST52 NBK Carbon Steel Rectangle Tube Supplier, DIN 2391 NBK CS Rectangular Tube Stockist.
ST52 NBK Carbon Steel Polished Tube, DIN 2391 ST52 NBK Carbon Steel Polished Tube Supplier, DIN 2391 NBK CS Polished Tube Stockist.
Product | Price |
CS DIN 2391 NBK Square Tube Price List | US $ 15 - 45 / Pound |
ST 52 NBK Carbon Steel Tube Price | US $ 1821 - 12450 / Ton |
DIN 2391 ST52 NBK Carbon Steel Tube Price | US $ 1625 - 3555 / Ton |
ST52 Carbon Steel Tube Price Per Kg | $6 - 39 / Kg |
DIN 2391 Tube Price | US $ 1142 - 2707 / Ton |
DIN 2391 ST 52 NBK Carbon Steel Tube Price In India | $658.00 - $1,560.00/ Ton |
ST 52 NBK Carbon Steel Tube Price List | $755.00 - $1,960.00/ Ton |
Austenitic DIN 52 NBK Carbon Steel Tube Price Per Piece | $10.00 - $135.00/ Piece |
DIN 2391 ST52 NBK Carbon Steel Square Tube Price | $1,238.00 - $3,459.00/ Ton |
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Welding Process
The grade and application requirements have an impact on tube welding and forming. For the manufacturing of tiny diameter tubes, we employ TIG welding. Steel sheets are coiled and welded inside of a welding machine. The steel sheets are shaped into a coil before entering the machine. The seam between these coils is then welded to create a tube.
Drawing/ Floating Process
Pulling a metal bar, rod, or wire through the entirety of a die to change its finish, shape, size, and/or mechanical qualities is known as floating or drawing. The tube's outer, inner, and wall thicknesses are all reduced via the tube drawing procedure. Carbon steel tubes benefit from maintaining the integrity of their surface.
Continuous Seamless Tube Mills
The production of seamless tubes has been transformed by continuous tube mills. These mills do away with the necessity for forging welding or filler metal, in contrast to conventional procedures. With the use of this technology, seamless pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.
Continuous Casting
A notable advancement in the production of seamless tubes is continuous casting. The metal is solidified into a continuous billet through the continuous pouring of molten metal into a water-cooled mould. Better uniformity and enhanced mechanical qualities are guaranteed by this continuous casting technique for the tubes.
Annealing
Metal is heated above the point of re-crystallization and cooled to room temperature during the annealing process. The molecular bonds in metal tighten when it is shaped, making it rigid. The metal is put through an annealing process to regain its ductility.
Sinking Process
Tube sinking is a drawing technique that reduces the diameter of tubes. In this drawing technique, a tube is run through a die without the need of a mandrel. Good inner surface quality is not ensured when using a mandrel. The die angel determines the integrity of the outer surface. The die being used produces a uniform surface. A tube can be significantly smaller than it was originally. When cost is a factor, tube sinking is ideal.
Inspection and Testing
Before sending our items to our consumers, we conduct inspection procedures to verify their integrity.
Standard | Grade | C | Si | Mn | P max | S max |
DIN2391 | St52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 |
Cold drawn(Mandatory) | Cold drawn(Soft) | Cold Drawn and Stress Release | Anneal | Normalizing | ||||||||
BK1) | BKW1) | (BKS) | (GBK)1) | (NBK)1) | ||||||||
Grade | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation |
N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490~630 | 355 | 22 |
Positive Material Identification – PMI Testing | Hydrostatic Test |
Chemical Analysis – Spectro Analysis | Hydrogen-Induced Cracking (HIC) Test |
Mechanical Testing Such as Tensile, Elongation, Reduction of Area | Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177 |
Micro Test | Radiography Test |
Macro Test | Dye Penetrant Test (DP Test) |
Hardness Test | Ultra Sonic Test (UT) |
Pitting Resistance Test | Eddy Current Testing |
Intergranular Corrosion (IGC) Test | Impact Test |
Flaring Test | Bend Test |
Flattening Test |
BWG | BWG | BWG | BWG | BWG | BWG | BWG | BWG | ||
25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | ||
WT mm | WT mm | WT mm | WT mm |
WT mm | WT mm | WT mm | WT mm |
||
Outside Diameter | Outside Diameter | 0.508 | 0.711 | 0.889 | 1.245 | 1.651 | 2.108 | 2.769 | 3.404 |
mm | inch | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | |
6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | |||
9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | ||
12.7 | 1/2 | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | ||
15.88 | 5/8 | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | ||
19.05 | 3/4 | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | ||
25.4 | 1 | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 | |
31.75 | 1 1/4 | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 | |
38.1 | 1 1/2 | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 | |
44.5 | 1 3/4 | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 | |||
50.8 | 2 | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 | |||
63.5 | 2 1/2 | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 | |||
76.2 | 3 | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 | |||
88.9 | 3 1/2 | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 | |||
101.6 | 4 | 4.134 | 5.254 | 6.854 | 8.35 | ||||
114.3 | 4 1/2 | 4.654 | 5.924 | 7.734 | 9.43 |
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Certificate of Origin | Raw Material Test Reports |
Commercial Invoice | Heat Treatment Charts |
Packing List | Quality Assurance Plan (QAP) |
Fumigation Certificates | NABL approved Laboratory Test Reports |
Letter of Guarantee | Material Test Certificates |
ROHS Certificate | Certificate of Compliance/Conformity |
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