ASTM B862 Ti2 Welded Pipe
YUHONG GROUP deal with stainless steel seamless pipe and tube already more than 33 years, every year sell more than 80000 tons of stainless steel seamless pipe and tube. Our client already cover more than 65 countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc..
Description
ASTM B862 is the standard specification for titanium and titanium alloy welded pipe. The Ti2 designation indicates that the alloy contains pure titanium. This specification covers seamless and welded titanium and titanium alloy pipe in various sizes and thicknesses. The welded pipe is typically used in high temperature and corrosive environments where its excellent strength-to-weight ratio and corrosion resistance are beneficial. This standard ensures the quality and consistency of titanium welded pipe for industrial applications.
Chemical Composition Of ASTM B862 Grade 2 Titanium Welded Pipe
| ELEMENT | Chemical Composition % |
| GRADE 1 | GRADE 2 | GRADE 3 | GRADE 5 | GRADE 7 | GRADE 9 | GRADE 11 | GRADE 12 | GRADE 23 |
| Nitrogen, max | 0.03 | 0.03 | 0.05 | 0.05 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Carbon, max | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
| Hydrogen, max | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.0125 |
| Iron, max | 0.20 | 0.30 | 0.30 | 0.40 | 0.30 | 0.25 | 0.20 | 0.30 | 0.25 |
| Oxygen, max | 0.18 | 0.25 | 0.35 | 0.20 | 0.25 | 0.15 | 0.18 | 0.25 | 0.13 |
| Aluminum | … | … | … | 5.5-6.75 | … | 2.5-3.5 | … | … | 5.5-6.5 |
| Vanadium | … | … | … | 3.5-4.5 | … | 2.0-3.0 | … | … | 3.5-4.5 |
| Tin | … | … | … | … | … | … | … | … | … |
| Ruthenium | … | … | … | … | … | … | … | … | … |
| Palladium | … | … | … | … | 0.12-0.25 | … | 0.12-0.25 | … | … |
| Molybdenum | … | … | … | … | … | … | … | 0.2-0.4 | … |
| Chromium | … | … | … | … | … | … | … | … | … |
| Nickel | … | … | … | … | … | … | … | 0.6-0.9 | … |
| Niobium | … | … | … | … | … | … | … | … | … |
| Ziconium | … | … | … | … | … | … | … | … | … |
| Silicon | … | … | … | … | … | … | … | … | … |
| Residuals, max each | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Residuals, max total | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Titanium | balance | balance | balance | balance | balance | balance | balance | balance | balance |
Tensile Strength Of Titanium Welded Pipe
| Grade | Tensile Strength, min | Yiel Strength (0.2% Offset) | Elongation 2 in. or 50 mm |
| | min | max |
| Ksi | (Mpa) | Ksi | (Mpa) | Ksi | (Mpa) | gage length min % |
| Grade 1 | 35 | (240) | 25 | (170) | 45 | (310) | 24 |
| Grade 2 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| Grade 3 | 65 | (450) | 55 | (380) | 80 | (550) | 18 |
| Grade 5 | 130 | (895) | 120 | (828) | … | … | 10 |
| Grade 7 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| Grade 9 | 90 | (620) | 70 | (483) | 45 | … | 15 |
| Grade 11 | 35 | (240) | 25 | (170) | … | (310) | 24 |
| Grade 12 | 70 | (483) | 50 | (345) | … | … | 18 |
| Grade 23 | 120 | (828) | 110 | (759) | … | … | 10 |
Heat Treatment, Inspection & Test
Pipes of ASTM A335 P11 may be either cold drawn or hot rolled. Each pipe shall be reheated for heat treatment – full or isothermal annealing, normalizing and tempering at a temperature no less than 1200°F(650°C).
Hydrostatic test shall be performed on each pipe length of ASTM A335 P11 along with dimensional inspection and visual examination. Longitudinal or transverse tension test, flattening test, or bend test shall be performed for each heat number of furnace. When specified by the purchaser, one of the alternative nondestructive tests can be performed: ultrasonic test, eddy current test, or flux leakage examination. Hardness test is not necessary.
Applications of ASTM B862 Ti2 welded pipe include:
1. Aerospace industry
2. Chemical processing industry
3. Medical industry
4. Oil and gas industry
5. Marine industry
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ASTM B862 Ti2 Welded Pipe For Industrial With Excellent Strength Images
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