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Raian IonescuCalidad material muy buena. tenemos cooperar más de 10 años. Negocian clases de las porciones de material de acero. Toda la calidad material buena. Ellos deber para toda la calidad material. Estamos acepillando para continuar cooperando con ellos en el futuro
Cold Drawn Seamless Steel Pipe Precision Carbon Steel Tube DIN2391 EN10305 ST37 ST52 for High Pressure Applications
Datos del producto
| Diámetro exterior | 6-630 mm | Grosor de la pared | 0.5-15 mm |
|---|---|---|---|
| Longitud | No más de 25 m | Forma de sección | Redondo |
| Tratamiento superficial | Negro | Grado del material | Acero al carbono / acero aleado |
| Condiciones de entrega | BK, BKS, BKW, NBK, GBK | Composición química C | 0,10-0,22% |
| Composición química si | 0,05-0,55% | Composición química MN | 0,40-1,60% |
| Composición química P | 0,025% máximo | Composición química s | 0,025% máximo |
| Resistencia a la tracción | 290-640 MPa | Fuerza de producción | 215-450 MPa |
| Alargamiento | 4-30% | ||
| Resaltar | Cold Drawn Seamless Steel Pipe,DIN2391 Precision Carbon Steel Tube,ST37 ST52 Cold Drawn Steel Tube |
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Descripción de producto
Cold Drawn Seamless Steel Pipe Precision Carbon Steel Tube
High-precision cold drawn seamless steel pipes manufactured to DIN2391, EN10305 standards in grades ST37 and ST52. These precision carbon steel tubes are engineered for demanding industrial applications requiring superior dimensional accuracy and mechanical properties.
Product Specifications
Standards: ASTM, DIN, EN, GOST, SAE, JIS
Material Grade: Carbon Steel, Alloy Steel, or custom requirements
Outside Diameter: 19.05 mm
Wall Thickness: 2.11 mm
Length: Maximum 25 meters (standard 6m-25m, custom lengths available)
Material Grade: Carbon Steel, Alloy Steel, or custom requirements
Outside Diameter: 19.05 mm
Wall Thickness: 2.11 mm
Length: Maximum 25 meters (standard 6m-25m, custom lengths available)
Manufacturing & Delivery Details
Type: Cold Drawn or ERW
Ends: Plain ends or bevel ends
Delivery Conditions: BK, BKS, BKW, NBK, GBK (As drawn, quenched and tempered, normalized, annealed, stress-relieved)
Surface Treatment: Pickling as per standard requirements
Protective Coating: Black painting, anti-rust oil, varnish, or custom requirements
Ends: Plain ends or bevel ends
Delivery Conditions: BK, BKS, BKW, NBK, GBK (As drawn, quenched and tempered, normalized, annealed, stress-relieved)
Surface Treatment: Pickling as per standard requirements
Protective Coating: Black painting, anti-rust oil, varnish, or custom requirements
Quality Assurance & Testing
- Hydrostatic or Nondestructive Electric Testing
- Heat Treatment according to standard specifications
- Surface condition verification per standard requirements
- Grain size analysis and control
- Sampling tests: flattening, flaring, grain size, marking
- Comprehensive packaging with bevel ends, plastic caps, and protective coatings
Technical Standards & Material Grades
Compliant with major international standards including ASTM A106/A179/A192/A210/A213/A519, DIN2391/DIN17175/EN10305, and GB8162/GB8163/GB3639.
| Chinese Standard | Steel Grade | American Standard | Steel Grade |
|---|---|---|---|
| GB5310 | 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG | ASTM A106 | GR. A,B,C |
| GB9948 | 10, 20, 12CrMo, 15CMo | ASTM A53 | GR.A,B |
| GB3087 | 10, 20 | ASTM A192 |
Delivery Conditions
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes do not undergo heat treatment following final cold forming |
| Cold finished (soft) | BKW | Final heat treatment followed by cold drawing with limited deformation |
| Cold finished and stress-relieved | BKS | Heat treatment applied following last cold forming process |
| Annealed | GBK | Last cold forming process followed by annealing in controlled atmosphere |
| Normalized | NBK | Last cold forming process followed by annealing above upper transformation point |
Industrial Applications
- Evaporators, heat exchangers, condensers, and heat transfer equipment
- Mechanical treatment, petrochemical industry, transport, and construction
- Structural purposes including construction and fulcrum bearing applications
- Fluid transportation for water, oil, and gas in industrial projects
- Low and medium pressure boiler applications including steam tubes and generating tubes
Competitive Advantage: Asia's leading steel pipe manufacturer with annual production exceeding 250,000 tons. Over 60% of production shipped to more than 35 countries worldwide. Commitment to quality pipes with competitive pricing and reliable global supply.
Global Export: Successfully exporting to Turkey, Germany, France, UK, and other international markets since 2005.
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