Astm B338 Titanium
As an experienced supplier of metal tubes, the company specializes in the production of titanium tubes and can provide factories with complete production lines.
Description
Professional Titanium Tube Supplier--GNEE
Astm b338 covers 28 grades of seamless and welded titanium alloy tubes for surface condensers, evaporators and heat exchangers. Seamless tubes shall be made from hollow billets by any cold-rolling or cold-drawing process which will produce a product conforming to the specified requirements. Welded tubes shall be made from flat rolled product by an automatic electric arc welding process. Welded pipe shall be sufficiently cold-worked to final dimensions so that the cast weld microstructure is transformed to the isometric microstructure typical in welds during subsequent heat treatment. Titanium shall conform to the chemical requirements specified. The room temperature tensile properties of the pipe in its normal state of supply shall be as specified. Tubes shall be capable of withstanding flattening without rupture under a load applied gradually at room temperature until the distance between load platens does not exceed the required height. Welded pipe shall be tested for reverse flattening in accordance with Test Methods Supplement II and Definition A 370. Welded pipe shall be tested by non-destructive electromagnetic and ultrasonic test methods. Seamless pipe and welded/cold-finished pipe shall be tested using ultrasonic test methods. Welded pipe shall be tested using hydrostatic or pneumatic test methods. Seamless pipe shall be tested using electromagnetic or hydrostatic or pneumatic test methods.
Industry-leading titanium production technology
Composition Limits
| Element | Maximum or Specified Range |
Permissible Variation in Product Analysis |
|---|---|---|
| Aluminum | 2.5 to 3.5 | +/-0.40 |
| Carbon | 0.10 | +0.02 |
| Chromium | 0.1 to 0.2 | +/-0.02 |
| 30Cobalt | 0.2 to 0.8 | +/-0.05 |
| Hydrogen | 0.015 | +0.002 |
Tensile Requirements
The Tensile Requirements of the tube condition at room temperature is given as follows. Properties outside of what is given are available through agreement.
| Grade | Tensile Strength min ksi |
Tensile Strength min Mpa |
Yield Strength 0.2 Percent Offset min ksi |
Yield Strength 0.2 Percent Offset min Mpa |
Yield Strength 0.2 Percent Offset max ksi |
Yield Strength 0.2 Percent Offset max Mpa |
Elongation In 2 in. or 50 mm Min Percent |
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|---|---|---|---|---|---|---|---|
| 1 | 35 | 240 | 25 | 170 | 45 | 310 | 24 |
| 2A | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
| 3A | 65 | 450 | 55 | 380 | 80 | 550 | 18 |
| 7A | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
| 9B | 125 | 860 | 105 | 725 | 10 |
Professionally recognized team
GNEE Company was founded in 2008 and started to engage in foreign trade industry in 2015. With 8 years of experience in production and sales. With many years of production experience and independent production factories, we can provide you with customized products. Meanwhile, we cooperate with many famous factories, which can provide you with large quantities of high quality titanium. We have up to 200 employees and will continue to grow in the future. All of our employees are committed to providing you with better products and services. We will provide you with more favorable price solutions and safe and fast transportation solutions.GENN is trustworthy. We look forward to working with you.
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