EN 10216/10305 Nahtlose Rohre für europäische Industrieprojekte - OEM
Produkthighlights
Nahtlose Überhitzungsrohre
Für Hochtemperaturkesselanwendungen – ASME SA213 / SA210
Außendurchmesser 6mm – 256mm | Wandstärke 1mm – 18mm
Produktübersicht
Unsere nahtlosen Überhitzungsrohre sind speziell für Hochtemperaturanwendungen in Kraftwerkskesseln, Überhitzern, Wiedererhitzern und Hochdruckwärmetauschern entwickelt. Hergestellt nach den Standards ASME SA213 (T11, T22, T91) und ASME SA210 Grade C bieten diese Rohre eine ausgezeichnete Kriechfestigkeit, Oxidationsbeständigkeit und Wärmefestigkeit bei erhöhten Temperaturen.
Verfügbar in zwei Materialfamilien:
| Materialtyp | Standard | Sorten | Max. Temperatur | Anwendung |
|---|---|---|---|---|
| Mittelkohlenstoffstahl | ASME SA210 | Grade C | 900°F (482°C) | Niedrige bis mittlere Temperatur Überhitzerabschnitte |
| Ferritisches Legierung (Cr-Mo) | ASME SA213 | T11, T22, T91 | 1.200°F (650°C) | Hochtemperatur Überhitzer, Wiedererhitzer |
Wichtige Merkmale:
Nahtlose Konstruktion – Kein Schweißnaht – eliminiert das Risiko von Kriechversagen
Vollständiger Größenbereich – OD 6mm bis 256mm, WT 1mm bis 18mm
Präzise Toleranzen – Genaues OD und WT-Kontroll für einfaches Biegen und Schweißen im Feld
Wärmebehandelt – Normalisiert (SA210) oder normalisiert + angelassen (SA213)
100% NDT getestet – Wirbelstrom + Ultraschall + Hydrostatisch
✅ ASME SA213 / SA210 zertifiziert – Konform mit ASME Boiler & Pressure Vessel Code Abschnitt II
✅ Volle Rückverfolgbarkeit – EN 10204 Typ 3.1 MTC mit Hitzennummer
✅ Weite Größenauswahl – 6mm bis 256mm OD – Einkauf an einem Ort
✅ Hochtemperaturleistung – Kriechfestigkeitsdaten für alle Sorten verfügbar
✅ U-Bögen verfügbar – Für hängende Überhitzerdesigns
✅ Direkt vom Werk | Weltweite Lieferung
Wichtige Spezifikationen
| Parameter | Details |
|---|---|
| Außendurchmesser (OD) | 6mm – 256mm (0.236″ – 10.0″) |
| Wandstärke (WT) | 1mm – 18mm (0.039″ – 0.709″) |
| Länge | 4m – 12m (fest oder zufällig) – auf Anfrage bis zu 18m |
| Herstellung | Nahtlos – Warmgewalzt oder Kaltgezogen |
| Standards | ASME SA210 Grade C, ASME SA213 T11/T22/T91, ASTM A213 |
| Oberflächenfinish | Schwarz / Blank / Ölig |
| Endfinish | Einfach / Abgeschrägt (für Schweißen) |
| Wärmebehandlung | Normalisiert (SA210) / Normalisiert + Angelassen (SA213 T11/T22/T91) |
Chemische Zusammensetzung
ASME SA210 Grade C (Mittelkohlenstoffstahl):
| Element | C | Mn | P max | S max | Si |
|---|---|---|---|---|---|
| Anforderung | ≤0.35% | 0.29-1.06% | 0.035% | 0.035% | ≥0.10% |
ASME SA213 T11 (1.25Cr-0.5Mo):
| Element | C | Mn | P max | S max | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Anforderung | ≤0.15% | 0.30-0.60% | 0.025% | 0.025% | 0.50-1.00% | 1.00-1.50% | 0.44-0.65% |
ASME SA213 T22 (2.25Cr-1Mo):
| Element | C | Mn | P max | S max | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Anforderung | ≤0.15% | 0.30-0.60% | 0.025% | 0.025% | ≤0.50% | 1.90-2.60% | 0.87-1.13% |
ASME SA213 T91 (9Cr-1Mo-V):
| Element | C | Mn | P max | S max | Si | Cr | Mo | V | Nb | N |
|---|---|---|---|---|---|---|---|---|---|---|
| Anforderung | 0.08-0.12% | 0.30-0.60% | 0.020% | 0.010% | 0.20-0.50% | 8.00-9.50% | 0.85-1.05% | 0.18-0.25% | 0.06-0.10% | 0.030-0.070% |
💡 T91 bietet eine überlegene Kriechfestigkeit – die beliebteste Sorte für moderne überkritische Kessel.
Mechanische Eigenschaften bei Raumtemperatur
| Sorte | Zugfestigkeit (MPa) | Streckgrenze (MPa) | Dehnung (%) | Härte (max) |
|---|---|---|---|---|
| SA210 Gr.C | ≥485 | ≥275 | ≥30 | 89 HRB |
| SA213 T11 | ≥415 | ≥205 | ≥30 | 85 HRB |
| SA213 T22 | ≥415 | ≥205 | ≥30 | 85 HRB |
| SA213 T91 | ≥585 | ≥415 | ≥20 | 250 HB |
Streckgrenze bei erhöhter Temperatur – Rp0.2 (MPa min)
| Temp (°C) | SA210 Gr.C | T11 | T22 | T91 |
|---|---|---|---|---|
| 400 | — | 195 | 195 | 385 |
| 450 | — | 170 | 180 | 380 |
| 500 | — | 145 | 155 | 370 |
| 550 | — | 120 | 130 | 360 |
| 600 | — | — | — | 280 |
💡 T91 behält auch bei 600°C eine hohe Festigkeit bei – geeignet für ultrasuperkritische Kraftwerke.
Verfügbare Größen – OD 6mm bis 256mm
| OD (mm) | OD (Zoll) | WT (mm) | Typische Sorte | Anwendung |
|---|---|---|---|---|
| 6 – 16 | 0.236″ – 0.630″ | 1.0 – 2.5 | SA210 Gr.C | Instrumentenüberhitzerleitungen |
| 16 – 32 | 0.630″ – 1.260″ | 1.5 – 4.0 | SA210 Gr.C, T11 | Kleine Überhitzerwicklungen |
| 32 – 60 | 1.260″ – 2.362″ | 2.0 – 6.0 | T11, T22 | Niedrigtemperatur Überhitzerpendel |
| 60 – 89 | 2.362″ – 3.504″ | 3.0 – 8.0 | T22, T91 | Hochtemperatur Überhitzer – am häufigsten |
| 89 – 114 | 3.504″ – 4.488″ | 4.0 – 10.0 | T91 | Endüberhitzer |
| 114 – 168 | 4.488″ – 6.614″ | 5.0 – 12.0 | T91 | Wiedererhitzerrohre |
| 168 – 219 | 6.614″ – 8.622″ | 6.0 – 15.0 | T91 | Große Überhitzerheader |
| 219 – 256 | 8.622″ – 10.079″ | 8.0 – 18.0 | T91 | Hauptdampfleitungen |
💡 Die beliebteste Überhitzerrohrgröße: 2″ (50.8mm) OD × 4.0-6.0mm WT – Sorte T91
Sorteauswahlleitfaden – Überhitzeranwendung
| Überhitzerabschnitt | Dampftemperatur (°F) | Metalltemperatur (°F) | Empfohlene Sorte |
|---|---|---|---|
| Niedrigtemperatur Überhitzer | 700-850°F | 750-900°F | SA210 Gr.C |
| Zwischenüberhitzer | 850-950°F | 900-1.000°F | T11, T22 |
| Hochtemperatur Überhitzer | 950-1.050°F | 1.000-1.100°F | T91 |
| Endüberhitzer (überkritisch) | 1.050-1.150°F | 1.100-1.200°F | T91 |
| Ultrasuperkritischer Endüberhitzer | 1.150-1.200°F | 1.200-1.250°F | T91 (Sortengrenze) |
💡 Für Metalltemperaturen über 1.200°F verwenden Sie austenitischen Edelstahl ASME SA213 TP304H oder TP347H.
Wichtige Vorteile – Überhitzeranwendung
| Merkmal | Vorteil |
|---|---|
| Nahtlose Konstruktion | Kein Schweißnaht – eliminiert das Risiko von Kriechversagen bei hoher Temperatur |
| Weite OD-Bereich | 6mm bis 256mm – deckt alle Überhitzerpendelgrößen ab |
| Mehrere Legierungsoptionen | SA210 Gr.C (kostengünstig) bis T91 (hohe Kriechfestigkeit) |
| Sorte T91 | Überlegene Kriechfestigkeit – 50-100% höher als T22 bei 1.100°F |
| Wärmebehandelt | Richtige Mikrostruktur für langfristige Hochtemperaturanwendung |
| 100% NDT getestet | Wirbelstrom + Ultraschall – erkennt Oberflächenfehler, die Kriechversagen verursachen könnten |
| Präzise Toleranzen | OD: ±0.1mm für Größen |
| U-bend capability | Available for pendant superheater loops |
| Full traceability | EN 10204 3.1 MTC with heat number |
U-Bend Superheater Tubes
| Feature | Capability |
|---|---|
| Minimum bend radius | 1.5× OD (SA210 Gr.C) / 2.0× OD (T91) |
| Maximum tube OD for U-bend | Up to 114mm (4.5″) standard |
| Leg length tolerance | ±1.6mm (±1/16″) |
| Bend angle | 180° standard (custom available) |
| Stress relief | Required after cold bending for T91 |
| Application | Pendant superheater loops |
Quality Assurance & Testing
| Test | Method | Coverage | Critical for Superheater |
|---|---|---|---|
| Eddy Current (ECT) | Non-destructive | 100% | YES – surface defect detection |
| Ultrasonic (UT) | ASTM E213 | 100% (by agreement) | Internal defect detection |
| Hydrostatic Test | Water pressure | 100% | Leak-proof coils |
| Tensile Test | ASTM E8 | Per heat | Strength verification |
| Hardness Test | Rockwell/Brinell | Per lot | T91 ≤250 HB |
| Flattening Test | Ductility | Per lot | Bendability for U-tubes |
| Flaring Test | Expansion | Per lot | End integrity for welding |
| Dimensional Inspection | Micrometer | 100% | Tube-to-baffle fit |
Bending & Welding Recommendations
Bending (T91):
Minimum bend radius: 2.0 × OD
Stress relief after cold bending: Required
Hot bending temperature: 1,600-1,800°F (870-980°C)
Welding (T91):
Preheat temperature: 200-260°C (400-500°F)
PWHT required: Yes
Filler metal: ER90S-B9 (9Cr filler)
Post-weld cooling: Slow cool (cover with insulation)
⚠️ T91 requires strict preheat and PWHT to prevent hydrogen cracking and maintain creep life.
Mill Test Certificate
ASME SA213 / SA210 Certificate of Compliance – Standard
EN 10204 Type 3.1 MTC – Provided with heat number
EN 10204 Type 3.2 – Available upon request (SGS, BV, TUV, DNV)
Heat treatment records – Normalizing, tempering temperatures
NDT reports – 100% eddy current + UT (if specified)
Traceability: Full traceability from melt to finished tube
Packaging & Shipping
| Item | Details |
|---|---|
| Packaging | Hexagonal bundles with steel strapping |
| Protection | Anti-rust oil + plastic end caps (carbon steel) |
| Alloy grades | Plastic caps + protective paper |
| Marking | Stencil: Grade, size, heat number, standard, heat treat condition |
| Documentation | MTC + NDT reports + heat treatment records |
| Lead time | 15-25 days (SA210 Gr.C, T11), 25-35 days (T22, T91) |
| Port | Tianjin / Shanghai / Guangzhou |
Why Choose Our Seamless Superheater Tubes?
| Advantage | Description |
|---|---|
| Wide size range | 6mm to 256mm OD – one-stop sourcing |
| Full grade range | SA210 Gr.C, SA213 T11, T22, T91 – match to temperature |
| T91 in stock | Most popular supercritical grade – ready to ship |
| 100% ECT tested | Critical for superheater reliability |
| Heat treated | Normalized + tempered for alloy grades |
| U-bend capability | Pendant superheater loops available |
| Full traceability | EN 10204 3.1 MTC with heat number |
| Global export | Shipped to power plants worldwide |
Contact for Quote
Please provide the following details:
Grade : SA210 Gr.C / SA213 T11 / T22 / T91
OD (mm) : _______
WT (mm) : _______
Length (m) : _______
U-bend required? : Yes / No
Quantity : _______ (pieces / meters / tons)
Steam temperature : _______ °F / °C
Inspection : Standard / Third-party (SGS/BV/TUV/DNV)
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website: www.wuxihengzhihui.com
Reply within 24 hours.
FAQ – Seamless Superheater Tube
Q1: What is the difference between SA210 Gr.C and SA213 T91 for superheater service?
A: SA210 Gr.C – medium carbon steel, up to 900°F, economical for low temperature sections. SA213 T91 – 9Cr-1Mo-V alloy, up to 1,200°F, superior creep strength for high temperature superheaters.
Q2: What is the most common superheater tube size?
A: 2″ OD (50.8mm) × 4.0-6.0mm WT – industry standard for high temperature pendant superheaters.
Q3: Can SA210 Gr.C be used for superheater service?
A: Yes, for low temperature superheater sections (steam temperature
Q4: What is the maximum size available?
A: 256mm (10″) OD – suitable for large reheater tubes and superheater headers.
Q5: Does T91 require special bending?
A: Yes – minimum bend radius 2× OD and stress relief after cold bending are required.
Q6: Do you provide third-party inspection?
A: Yes. SGS, BV, TUV, DNV, or any customer-specified agency.
Q7: Do you offer free samples?
A: 30cm sample available for common grades (SA210 Gr.C, T91). Shipping fee applies.
Related Products
ASME SA213 T91 – High strength superheater tube (this product)
ASME SA210 Gr.C – Medium carbon superheater tube (low temp)
ASME SA213 T22 – 2.25Cr-1Mo superheater tube
ASME SA335 P91 – Alloy steel pipe for superheater headers
ASME SA213 TP347H – Austenitic stainless for ultra-supercritical
Tags: Seamless Superheater Tube SA213 T91 Superheater Tube Power Plant Boiler Tube ASME SA210 High Temperature Tube
Seamless steel pipe is manufactured by hot rolling or cold drawing without any weld seam, ensuring uniform wall thickness and high pressure resistance. Common foreign grades include ASTM A106 (high‑temperature service), ASTM A333 (low‑temperature service), DIN 17175, and JIS G3454. To check material properties, search for high‑pressure rating to obtain pressure class standards.
The “seamless” structure maintains excellent mechanical strength under high temperature and high pressure. During production, carbon or alloy steel billets are pierced, elongated, and sized to achieve a high‑quality surface. You can look up seamless finish to understand how different surface finishes affect installation and maintenance – this is especially critical for oil & gas transmission and boiler tubes.
Many seamless pipes require normalising, annealing, or quenching + tempering to relieve internal stresses and improve toughness. For example, ASTM A106 Grade B requires normalising after hot rolling. When selecting materials, refer to technical data on heat treatment to ensure the pipe meets high‑ or low‑temperature service conditions. For corrosive environments, an additional corrosion allowance should be specified.
Carbon seamless steel pipe is a kind of strip steel. Steel pipe with hollow cross-section, a large number of pipes used to transport fluid, such as the transportation of oil, natural gas, gas, water and some solid materials such as pipes. Steel and round steel and other solid steel compared to the same bending strength in the same bending, lighter weight, is an economic section of steel, is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, Bicycle frames and steel construction scaffolding. The use of carbon seamless steel pipe manufacturing ring parts can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jackets, etc., has been widely used to manufacture steel pipe.
Seamless steel pipe is manufactured from solid, round steel billets that are pierced through the center with a mandrel. The billet is rolled and stretched through a hollow billet until it reaches a customer's specification. Because of its uniform shape and ability to withstand pressure and heat, seamless steel pipe is an ideal material for many industries.
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| 6*1*1.5*2*2.5 | 121*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38 |
| 8*1*1.5*2*2.5 | 127*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38 |
| 10*1*1.5*2*2.5*3 | 133*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40 |
| 12*1*1.5*2*2.5*3 | 140*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42 |
| 14*1*1.5*2.5*3*3.5 | 146*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42 |
| 16*1*1.5*2*2.5*3*3.5*4*4.5*5 | 152*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50 |
| 18*1*1.5*2*2.5*3*3.5*4*4.5*5 | 159*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50 |
| 20*1*1.5*2*2.5*3*3.5*4*4.5*5*6 | 168*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50 |
| 22*1*1.5*2*2.5*3*3.5*4*4.5*5*6 | 180*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50 |
| 25*2*2.5*3*3.5*4*4.5*5*6 | 194*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55 |
| 28*2*2.5*3*3.5*4*4.5*5*6*8 | 203*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60 |
| 30*2*2.5*3*3.5*4*4.5*5*6*8 | 219*6*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70 |
| 32*2*2.5*3*3.5*4*4.5*5*6*8 | 232*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70 |
| 34*2*2.5*3*3.5*4*4.5*5*6*8 | 245*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70 |
| 38*2*2.5*3*3.5*4*4.5*5*6*8*10*12 | 273*6.5*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70*75*80 |
| 40*3*3.5*4*4.5*5*6*8*10*12 | 299*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70*75*80*100 |
| 42*3*3.5*4*4.5*5*6*8*10*12 | 325*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100 |
| 45*3*3.5*4*4.5*5*6*8*10*12*14 | 351*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100 |
| 48*3*3.5*4*4.5*5*6*8*10*12*14 | 377*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100 |
| 50*3*3.5*4*4.5*5*6*8*10*12*14*15*16 | 402*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*100*110 |
| 51*3.5*4*4.5*5*6*8*10*12*14*15*16 | 406*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*70*75*80*90*100*110 |
| 54*3.5*4*4.5*5*6*8*10*12*14*16 | 426*8*10*12*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*120*130 |
| 57*3.5*4*4.5*5*6*8*10*12*14*16 | 450*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*75*80*90*100*110*120 |
| 60*3.5*4*4.5*5*6*8*10*12*14*16*18*20 | 457*8*10*12*14*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*130*140*150 |
| 63.5*3.5*4*4.5*5*6*8*10*12*14*16*18*20 | 480*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*50*55*60*100*110*120*130*140*150 |
| 65*3.5*4*4.5*5*6*8*10*12*14*16*18*20 | 500*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*55*60*65*70*75*80*90*100*110 |
| 68*3.5*4*4.5*5*6*8*10*12*14*16*18*20 | 508*8*10*12*14*16*18*20*22*25*28*30*32*35*45*48*50*55*90*100*110*120*130*140*150 |
| 70*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22 | 530*8*10*12*14*16*18*20*22*25*28*30*32*35*38*48*50*55*90*100*110*120*130*140*150 |
| 73*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22 | 560*8*10*12*14*16*1828*30*32*35*38*40*42*45*48*80*90*100*110*120*130*140*150 |
| 76*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22*25 | 580*10*12*14*16*18*25*28*30*32*35*38*40*42*45**60*65*70*75*80*90*100*110*120*130 |
| 80*4*4.5*5*6*8*10*12*14*16*18*20*22*25 | 600*10*12*14*16*22*25*28*30*32*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 83*4*4.5*5*6*8*10*12*14*16*18*20*22*25 | 610*10*14*16*18*22*25*28*30*32*35*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 89*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28 | 630*10*12*14*16*22*25*28*30*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 95*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30 | 700*10*12*14*16*22*40*42*45*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 102*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 | 710*10*12*14*16*18*40*42*45*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 108*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 | 720*10*12*14*16*18*20*22*25*28*30*50*55*60*65*70*75*80*90*100*110*120*130*140*150 |
| 114*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 | 760*10*12*20*22*25*28*30*50*55*60*65*70*75*80*90*100*110*120*130*140*150*200 |
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DIN 17175 14MoV63 Nahtlose Legierungsstahlrohre für hohe Temperaturen - GroßhandelVerhandelbarMOQ: 1 Metric Ton
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EN 10210-1 S355J2H Rechteckige Hohlprofile für Brücken - ExporteurVerhandelbarMOQ: 1 Metric Ton





