Carbon Steel Tube, CS Tube, Mild Carbon Steel Tube, Carbon Steel Seamless Tube, Carbon Steel Welded Tube, Carbon Steel EFW Tube.
Manufacturing Carbon Steel Tubes in ASTM A106, A333, A671, A672, BS3509, IS3589, EN10216-2, A500 etc. CS Pipe, BIS Approved Dealer, Distributor, Exporter, Supplier in India.
DIN 2391 ST37.4 Tubes is a widely used standard specification for seamless carbon steel precision tubes. This specification is part of the DIN 2391 series of standards, which define various seamless precision steel tubes for different applications. DIN stands for Deutsches Institut für Normung, which translates to the German Institute for Standardization. ST37.4 refers to the specific grade of steel and its characteristics.
Valour Alloy Inc., we carry a full inventory of DIN 2391 ST37.4 Tube Products in a variety of sizes to meet the structural piping requirements for applications the water, petroleum, oil & gas and other industries. DIN 2391 ST37.4 Pipe can be Structural in Nature or used in Fluid, Gas, Oil Transmission.

DIN 2391 ST37.4 Seamless Tube

DIN 2391 ST37.4 Welded Tube
We Supply Carbon Steel Tubes in ASTM A106 Grade B, ASTM A106 Grade C, ASTM A53 Grade B, ASTM A333 Grade 3, ASTM A333 Grade 6, ASTM A334 Grade 1, ASTM A334 Grade 6, ASTM A179, ASTM A192, ASTM A210 A1, ASTM A210 C, Etc.The grade indicates the testing methods required for a given application. It is critical that structural grades of Carbon Steel Pipe not be used for Pressure or Fluid applications.
"DIN 2391 ST37.4 Tube: High-Quality Precision Steel Tubing for Diverse Applications. Explore our range of ST37.4 tubes known for exceptional strength, durability, and precision engineering."
Seamless Precision Tubes: DIN 2391 ST37.4 tubes are known for their seamless construction. Seamless tubes do not have welded seams, which can make them stronger and more reliable for various industrial applications.
Carbon Steel: These tubes are made from carbon steel, which is an alloy primarily composed of iron and carbon. Carbon steel is known for its durability, strength, and resistance to corrosion.
Precision Dimension: The "precision" aspect of these tubes is critical. DIN 2391 ST37.4 tubes are manufactured with precise outer and inner diameters and wall thicknesses. This precision ensures that the tubes are suitable for applications where accuracy in dimension and performance is essential.
ST37.4 Grade: ST37.4 is a specific grade of carbon steel. It has well-defined mechanical and chemical properties, including a specified yield strength and composition. This grade is commonly used in hydraulic and pneumatic systems, as well as in other applications where precision tubing is required.
International Equivalents: While DIN standards are widely used in Europe, equivalent standards from other organizations, such as ASTM in the United States or JIS in Japan, may apply to similar types of precision steel tubes.
DIN 2391 ST37.4 tubes are seamless precision carbon steel tubes with specific dimensions and mechanical properties. They are used in a range of industries and applications where precise and reliable tubing is required, particularly in hydraulic and pneumatic systems. These tubes are manufactured to meet rigorous quality and dimensional standards to ensure their suitability for critical engineering purposes.
DIN 2391 ST37.4 Tube Range
DIN 2391 ST37.4 Tube Outer Diameter Size | 1/4" NB To 30" NB (Nominal Bore Size) |
DIN 2391 ST37.4 Tube Wall Thickness | 0.8 MM TO 4 MM WALL THICKNESS |
DIN 2391 ST37.4 Tube Length | 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
DIN 2391 ST37.4 Tube Ends | Plain Ends / Beveled En |
DIN 2391 ST37.4 Tube Specification | ASTM A106 / ASTM A53 / ASTM A333 / ASTM A334 / ASTM A179 / ASTM A192 / ASTM A210 |
DIN 2391 ST37.4 Tube Grades | ASTM A106 GRADE B, ASTM A106 GRADE C, ASTM A53 GRADE B, ASTM A333 GRADE 1, ASTM A333 GRADE 6, ASTM A333 GRADE A334 GRADE 1, ASTM A334 GRADE 6, ASTM A179, ASTM A192, ASTM A210 |
DIN 2391 ST37.4 Tube Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
DIN 2391 ST37.4 Tube Type | SEAMLESS / WELDED / ERW / EFW / COLD DRAW / HOT FINISH / COLD FINISH |
DIN 2391 ST37.4 Tube Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
DIN 2391 ST37.4 Tube Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
DIN 2391 ST37.4 Tube Machinery | Draw Bench / Pilger / De-Coiler / Edge Miller / Welding Line / Heat Treatmen Furnace / Pickling Tank / Cutting Bench etc. |
DIN 2391 ST37.4 Tube Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
DIN 2391 ST37.4 Tube Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
DIN 2391 ST37.4 Tube Shipment & Transportation | By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
DIN 2391 ST37.4 Tube Other Testing | Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc. |
DIN 2391 ST37.4 Tube Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC. |
Chemical Composition of DIN 2391 ST37.4 Tube
Grade |
Chemical Composition(%): | ||||
C max | Si max | Mn | P max | S max | |
St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Mechanical Properties of DIN 2391 ST37.4 Tube
Steel grade |
BK | BKW | BKS | GBK | NBK | |||||||
RmN/mm min |
min | RmN/mm min |
min | N/mm min |
ReH N/mm min |
min | N/mm min |
min | N/mm min |
ReH N/mm min |
min | |
St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
Other Available Products Of DIN 2391 ST37.4 Tube
Carbon Steel Tubing | Carbon Steel Tubes |
Carbon Steel ASTM A106 Seamless Tubes | Carbon Steel ASTM A333 Seamless Tube |
ASTM A334 Carbon Steel Seamless Tubes | A106 Carbon Seamless Tubing |
A106 Grade B Carbon Seamless Tubes Suppliers | ASTM A53 Carbon Steel Tubing |
Carbon Steel A106 Seamless Tubing Dealer | Carbon Steel A106 Tubes Exporter |
A106 Carbon Tubes Stockholder | ASTM A106 Carbon Seamless Tube Distributors |
ASTM A106 Carbon Steel Tubing | Carbon Steel A53 Tubes Manufacturer |
ASME SA210 Grade A1 Seamless Tubes | ASME SA210 Grade C Carbon Tube |
ASME SA192 Carbon Steel Tubes | ASME SA179 Carbon Seamless Tube |
DIN 2391 ST35 Carbon Steel Tubes | DIN 2391 ST52 Carbon Steel Tubes Stockist |
BS 3509 Grade 360 Carbon Steel Tubes | ASME SA671 Carbon Steel EFW Tube |
BS 3509 Grade 320 Carbon Steel Tubing | ASME SA106 Carbon Steel Seamless Tubes Stockist |
DIN 2391 ST37.4 Tube Application
- Oil and Gas equipments
- Offshore Technology
- Seawater Desalination Plants
- Chemical Industry
- Airport, Malls, Buildings
- Storage Tanks
- Medical Industry
- Civil Engineering
- Pressure vessels, Reactor tanks, and Heat exchangers
- Rotors, impellers and shafts
- Power Plants
- Petrochemical
- Shipbuilding Industry
- Mining Industry
- Food Equipments Industry
Test Certificates
We DIN 2391 ST37.4 Tube with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report.
Quality Assurance
At Valour Alloys all types of DIN 2391 ST37.4 Tube such as Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, “U” Shape, Pan Cake Coils from raw material purchase to production and product shipping. They are visually inspected for compliance with ASTM, ASME, DIN, EN and JIS codes and standards. We can also designate certified official testing agencies upon customer request so that they can witness the product's material, size and quality compliance reports.
Marking & Packing
Our DIN 2391 ST37.4 Tube is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All DIN 2391 ST37.4 Tube are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
Supplying DIN 2391 ST37.4 Tube to Countries -
We Export DIN 2391 ST37.4 Tube to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.
Distributing DIN 2391 ST37.4 Tube to Cities -
We Export DIN 2391 ST37.4 Tube to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.
Frequently Ask Questions (FAQ)
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