ASTM B338 Grade 2 Titanium Seamless Tubes
Outer Diameter (OD): 6mm – 300mm
Wall Thickness: 0.5mm – 20mm
Length: Custom lengths up to 12m
Standards: ASTM B338, ASME SB338
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ASTM B338 Grade 2 Titanium Seamless Tubes
ASTM B338 Grade 2 Titanium Seamless Tubes with outer diameters between 6 and 300 mm, wall thicknesses between 0.5 and 20 mm, and bespoke lengths up to 12 meters are produced by LINHUI Titanium. Both ASME SB338 and ASTM B338 requirements are met by our seamless tubes.
We produce zero-defect goods using 100% ultrasonic and eddy current testing, with over 200 tons of inventory and stringent tolerance control within ±0.05mm. With a minimum yield strength of 275 MPa and a minimum tensile strength of 345 MPa, our tubes guarantee dependable operation in corrosive conditions up to 315°C.
For clients worldwide, direct mill price and EN 10204 3.1 full traceability certificates ensure cost effectiveness and quality.
Key Features & Benefits
Increased Resistance to Corrosion
The spontaneous TiO2 oxide film offers outstanding defense against oxidizing acids, moist chlorine gas, and saltwater. The need for corrosion allowance is eliminated by this self-healing barrier.
Uniform Structure
There are no heat-affected zones if there are no weld seams. When compared to welded alternatives of the same diameters, you get 20% greater pressure ratings.
Lightweight Yet Strong
Our tubes lower the overall system weight without sacrificing structural integrity thanks to their exceptional strength-to-weight ratio and density of only 4.51 g/cm³.
ASTM B338 Grade 2 Titanium Chemical Composition
| Element | Composition (%) |
|---|---|
| Titanium (Ti) | Balance |
| Iron (Fe) | ≤ 0.30 |
| Oxygen (O) | ≤ 0.25 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.03 |
| Hydrogen (H) | ≤ 0.015 |
Meets ASTM B338 Grade 2 specifications for purity and performance.
Mechanical Properties of ASTM B338 Grade 2 Titanium Tubes
| Property | Value |
|---|---|
| Tensile Strength | ≥ 345 MPa (50 ksi) |
| Yield Strength (0.2% Offset) | ≥ 275 MPa (40 ksi) |
| Elongation (%) | ≥ 20% |
| Hardness (Rockwell B) | ≤ 80 HRB |
Available Sizes & Specifications
-
Outer Diameter (OD): 6mm – 300mm
-
Wall Thickness: 0.5mm – 20mm
-
Length: Custom lengths up to 12m
-
Standards: ASTM B338, ASME SB338
We also offer custom sizes, polishing, and testing (hydrostatic, ultrasonic, eddy current) upon request.
Manufacturing Process
Billet Preparation
Raw materials undergo vacuum arc remelting (VAR) to eliminate inclusions. Each heat number is fully traceable.
Cold Rolling & Pilgering
Our controlled cold rolling process achieves wall thickness tolerance within ±0.05mm. Multiple passes through pilger mills ensure uniform grain structure.
Heat Treatment
Stress relief annealing at controlled atmosphere furnaces delivers consistent mechanical properties and dimensional stability for your fabrication needs.
Quality Inspection
Chemical Analysis
ICP and combustion methods verify oxygen and iron levels per EN 10204 3.1 documentation.
Ultrasonic Testing
100% UT inspection per ASTM B338 detects internal voids and ensures pressure integrity.
Dimensional Verification
Automated measurement systems confirm diameter, wall thickness, and straightness meet your specifications.
Applications For ASTM B338 Grade 2 Titanium Seamless Tubes
· Heat Exchangers: Power plants, desalination units
· Chemical Processing: Reactor coils, pickling lines
· Marine Engineering: Condensers, offshore platforms
· Pollution Control: FGD systems, scrubber equipment
· Pharmaceutical: Biocompatible piping, sanitary systems
Export Markets
Customers in North America, the Middle East, Southeast Asia, and Europe are served by our ASTM B338 Grade 2 Titanium Seamless Tubes. We have long-standing relationships with contractors in the oil and gas, chemical processing, and maritime industries in more than 60 nations.
Why Choose Us
Factory-Direct Pricing
No middlemen means competitive pricing with full quality control from melting to final inspection.
Rapid Response
Quotations within 4 hours, drawing review in 24 hours, and stock delivery in 3-7 days.
Flexible Minimum Orders
Trial orders starting from 100 kg supported with the same quality standards as bulk shipments.
Engineering Support
Our in-house metallurgists assist with material selection, bend radius calculations, and welding procedure recommendations.
Packaging & Shipping
Wooden containers with moisture barriers and protective end caps are used to package tubes. Heat-numbered material identification tags are included with every bundle. We set up break-bulk or container transportation, and SGS third-party inspection is available upon request.
FAQ
Q: Can these tubes be bent for installation?
A: Yes, Grade 2 offers excellent ductility. Use mandrel bending with a minimum radius of 3x the outer diameter to prevent wall thinning.
Q: What surface finish is best for heat exchangers?
A: Acid-pickled finish is standard. For sanitary applications, we offer polished surfaces with Ra < 0.8µm.
Q: How do you ensure traceability?
A: Each tube carries laser-etched heat numbers. EN 10204 3.1 certificates include full chemical analysis and mechanical test results.
Q: What's your lead time for custom dimensions?
A: Standard production takes 15-25 days. Rush orders can be arranged based on current mill schedules.
Q: Do you provide welding procedure specifications?
A: Yes, our engineering team can recommend filler metals (ERTi-2) and GTAW parameters for your application.
Request a Quote
Ready to source reliable ASTM B338 Grade 2 Titanium Seamless Tubes? Contact our technical team at linhui@lhtitanium.com with your specifications. We'll respond within 4 hours with competitive pricing and delivery options.
