astm a213 tp316 tube
2. Standard: ASTM A213 / ASME SA213, standard specification for seamless boiler, superheater, and heat-exchanger tubes
3. Process: Multi-pass precision cold drawing or rolling to ensure absolute wall density and a flawless bore
4. Size Range: Outer Diameter from 3.18mm to 127mm with exact calibrated dimensions for perfect tube-sheet alignment
5. Heat Treatment: Homogeneous solution annealing above 1040°C followed by rapid quenching to stabilize grain boundaries
6. Surface Finish: Clean uniform pickled matte, high-purity bright annealed (BA), or high-grit outer mechanical polished
7. Application: Chemical process heat exchangers, oil refinery condensers, heavy boilers, and high-heat steam loops
8. Service Advantage: Dynamic non-destructive testing (NDT), customized short length cuts, and full MTC 3.1 certification
9. Packaging: Hexagonal ocean bundles bound tightly with high-tensile steel straps and equipped with protective end caps
10. Key Advantage: Exceptional resistance to overall thermal corrosion and localized chloride pitting under severe chemical stress
ASTM A213 TP316 Tube – Premium Seamless Heat Exchanger Tubing for High-Temperature Corrosive Environments
Hebei All Trust Steel Co., Ltd manufactures industrial-grade astm a213 tp316 tube engineered for demanding heat transfer applications in corrosive environments. Our seamless tubes are made from TP316 austenitic stainless steel (UNS S31600 / 1.4401) with a molybdenum concentration of 2.0-3.0% for better pitting resistance in chloride-containing environments. All tubes are 100% hydraulic tested and our yearly manufacturing capacity is above 15,000 tons. We can deliver tubes with outer diameter from 3.18mm up to 127mm. Solution annealing at 1040°C followed by quick quenching stabilises grain boundaries in each tube for excellent performance in chemical process heat exchangers, oil refinery condensers and high pressure steam systems.
What Makes Our ASTM A213 TP316 Tube Stand Out?
The product is the backbone of contemporary industrial heat transfer system. It is formulated with a molybdenum-rich composition that overcomes serious failures often seen in acidic condensate settings where normal 304 grades tend to break prematurely.
Our tubes are made via multipass precision cold drawing. This method guaranties 100% wall density, and a perfect bore uniformity. You receive tubes that fit tube-sheet holes without rework.
The substance consists of 16.0–18.0% Chromium, 10.0–14.0% Nickel and 2.0–3.0% Molybdenum. Balanced Chemistry Dual ProtectionChromium forms passive oxide layers and molybdenum avoids localised chloride assault.
Main Performance Characteristics
Your equipment is built for tough situations. Our TP316 tubes have a minimum tensile strength of 515 MPa and yield strength of 205 MPa. They retain their structural integrity when subjected to persistent high pressure steam loads.
The tubes are resistant to oxidation up to 1,538° F (870° C). The thermal stability is very important in superheater coils and reheater sections because the changing temperature causes material fatigue.
We use complete non-destructive testing. Eddy current diagnostic mapping is automated, detecting small faults that are imperceptible to the human eye. High pressure hydrostatic testing prior to shipping assures zero defect leak integrity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard | ASTM A213 / ASME SA213 / ASTM A269 / EN 10216-5 |
| Grade | TP316 (UNS S31600 / 1.4401) |
| Process | Cold Drawn / Cold Rolled / Solution Annealed |
| Outer Diameter | 1/8" – 5" (3.18 mm – 127 mm) |
| Wall Thickness | 0.015" – 0.500" (0.38 mm – 12.7 mm) |
| Length | 5.8 m / 6 m / 11.8 m / 12 m / Custom Cut |
| Surface Finish | Pickled / Bright Annealed (BA) / Polished |
| Tensile Strength | Min. 515 MPa (75 ksi) |
| Yield Strength | Min. 205 MPa (30 ksi) |
| Elongation | Min. 35% in 2 inches |
| Hardness | Max. 192 HBW or 90 HRB |
| Testing | Eddy Current / Ultrasonic / Hydrostatic / PMI |
| Certificates | EN 10204 3.1 & 3.2 MTC / ISO 9001:2015 |
| Inspection | SGS / BV / TUV / DNV / ABS Accepted |
Why Choose Our TP316 Seamless Tubes?
Proven Molybdenum Advantage
The 2–3% molybdenum addition transforms ordinary austenitic steel into a chemical warrior. You'll notice significantly longer service life in acetic acid environments and high-velocity condensate streams. Our tubes eliminate the premature pitting failures common with 304 variants.
Zero-Defect Manufacturing Control
We manufacture under comprehensive micro-tolerance frameworks. Automated cold rolling lines maintain dimensional consistency within ±0.05 mm. This precision eliminates the costly on-site adjustments that plague many heat exchanger installations.
Every tube passes through four quality checkpoints. We verify raw material chemistry using spectrographic analysis. Production monitoring tracks wall thickness continuously. Independent testing includes flattening, flaring, and hardness verification.
Customization for Your Exact Needs
You can specify ultra-long coiled configurations or exact fixed straight segments. We cut to your required lengths with burr-free square ends. Need beveled ends for automated welding? We provide precision bevel angles matching your joint specifications.
Our tubes accommodate both imperial and metric sizing. This flexibility ensures perfect compatibility with compression ferrule fittings and tube-sheet drilling patterns worldwide.
Primary Application Environments
Chemical Processing Excellence
The astm a213 tp316 tube dominates in organic acid handling systems. Its molybdenum content provides critical defense against formic acid, acetic acid, and mixed chloride solutions. You'll deploy these tubes in distillation column reboilers and acidic condensate recovery loops.
Power Generation Reliability
Utility boilers demand materials that withstand thermal cycling without scaling. Our solution-annealed tubes maintain clean heat transfer surfaces under repeated temperature swings. They serve in economizer sections, evaporator banks, and high-pressure superheater coils.
Marine and Coastal Infrastructure
Corrosion in seawater is the most difficult environment. TP316 chemistry resists chloride pitting and crevice corrosion in tidal zones. Longer maintenance periods benefit desalination facilities, cooling systems for offshore platforms and condensers for coastal refineries.
Comprehensive Quality Assurance
Our quality system follows strict four-step verification. We audit mill certifications and verify heat numbers. Thermal process supervision ensures proper solution annealing cycles. Real-time dimensional inspection catches diameter variations immediately.
You receive complete documentation packages. Every shipment includes EN 10204 3.1 Mill Test Certificates with actual chemical analysis and mechanical test results. PMI reports confirm material authenticity. We support third-party witness testing through SGS, TUV, and other recognized agencies.
Inventory and Delivery Capabilities
We maintain over 5,000 tons of rolling stock. Common sizes ship within 3–5 days. Custom specifications follow 15–20 day production schedules.
Our packaging protects your investment during global transit. Tubes are bundled in hexagonal configurations with high-tensile steel strapping. Heavy waterproof weaving bags prevent moisture ingress. Plastic end caps shield bore surfaces from contamination.
We ship from Shanghai, Ningbo, Tianjin, and Qingdao ports. FOB, CFR, CIF, and DDP terms accommodate your logistics preferences. Mixed container loading consolidates pipes, fittings, flanges, and valves into single shipments.
FAQ
Q：Why does this universal product exhibit superior chemical endurance compared to standard tp304 variants?
A：This grade capitalizes on a core 2-3% molybdenum alloy addition within its austenitic matrix, delivering premium, long-term chemical protection against generalized organic acids and high-velocity aggressive media circulation inside condensers.
Q：Under what severe mechanical operating conditions is this seamless molybdenum-alloyed line highly recommended?
A：It is highly recommended for high-stress heat exchangers, volatile hydrocarbon refining loops, power generation cooling towers, and severe pressure vessels where pitting must be avoided.
Q：What strict non-destructive criteria must the tube wall clear before clearing global shipping?
A：The entire length of the tube passes through automated online eddy current diagnostic mapping combined with high-pressure hydrostatic leakage diagnostics or comprehensive volumetric ultrasonic scanning.
Q：Can this heat exchanger tube series be customized with standard end configurations for advanced installation?
A：Yes, we provide precision square-cut plain ends with complete burr-free facing, customized beveling configurations tailored to match automated welding setups, and flanged rim faced adjustments.
Q：What robust shipping protection is allocated to shield this molybdenum lot from transit humidity?
A：The tubes are securely bound into steel-strapped bundles wrapped completely within heavy waterproof weaving bags or enclosed in sturdily reinforced wooden cases with protective plastic end caps.
Contact Us
Hebei All Trust Steel delivers engineered tubing solutions with the astm a213 tp316 tube backed by 15+ years of manufacturing excellence. Contact our technical team at info@hballtrust.com for material selection guidance, CAD drawing verification, and customized quotations.
