ASTM B862
ASTM B862
Titanium and Titanium Alloy Welded Pipe
ASTM B862 This specification covers the requirements for 27 grades of titanium and titanium alloy welded pipe intended for general corrosion resisting and elevated temperature service
Chemical Composition
Chemical Composition
Permissible Variations
Chemical Composition
| Grade | Nitrogen, max | Carbon, max | Hydrogen,B,C max | Iron, max | Oxygen, max | Aluminum | Vanadium | Tin | Ruthenium | Palladium | Cobalt | Molybdenum | Chromium | Nickel | Niobium | Zirconium | Silicon | Residuals,D,E,F | max each | Residuals,D,E,F | max total | TitaniumG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.03 | 0.08 | 0.015 | 0.2 | 0.18 | 0.1 | 0.4 | Balance | ||||||||||||||
| 2 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.1 | 0.4 | Balance | ||||||||||||||
| 3 | 0.05 | 0.08 | 0.015 | 0.3 | 0.35 | 0.1 | 0.4 | Balance | ||||||||||||||
| 5 | 0.05 | 0.08 | 0.015 | 0.4 | 0.2 | 5.5–6.75 | 3.5–4.5 | 0.1 | 0.4 | Balance | ||||||||||||
| 7 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.12–0.25 | 0.1 | 0.4 | Balance | |||||||||||||
| 9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5–3.5 | 2.0–3.0 | 0.1 | 0.4 | Balance | ||||||||||||
| 11 | 0.03 | 0.08 | 0.015 | 0.2 | 0.18 | 0.12–0.25 | 0.1 | 0.4 | Balance | |||||||||||||
| 12 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.2–0.4 | 0.6–0.9 | 0.1 | 0.4 | Balance | ||||||||||||
| 13 | 0.03 | 0.08 | 0.015 | 0.2 | 0.1 | 0.04–0.06 | 0.4–0.6 | 0.1 | 0.4 | Balance | ||||||||||||
| 14 | 0.03 | 0.08 | 0.015 | 0.3 | 0.15 | 0.04–0.06 | 0.4–0.6 | 0.1 | 0.4 | Balance | ||||||||||||
| 15 | 0.05 | 0.08 | 0.015 | 0.3 | 0.25 | 0.04–0.06 | 0.4–0.6 | 0.1 | 0.4 | Balance | ||||||||||||
| 16 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.04–0.08 | 0.1 | 0.4 | Balance | |||||||||||||
| 17 | 0.03 | 0.08 | 0.015 | 0.2 | 0.18 | 0.04–0.08 | 0.1 | 0.4 | Balance | |||||||||||||
| 18 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5–3.5 | 2.0–3.0 | 0.04–0.08 | 0.1 | 0.4 | Balance | |||||||||||
| 19 | 0.03 | 0.05 | 0.02 | 0.3 | 0.12 | 3.0–4.0 | 7.5–8.5 | 3.5–4.5 | 5.5–6.5 | 3.5–4.5 | 0.15 | 0.4 | Balance | |||||||||
| 20 | 0.03 | 0.05 | 0.02 | 0.3 | 0.12 | 3.0–4.0 | 7.5–8.5 | 0.04–0.08 | 3.5–4.5 | 5.5–6.5 | 3.5–4.5 | 0.15 | 0.4 | Balance | ||||||||
| 21 | 0.03 | 0.05 | 0.015 | 0.4 | 0.17 | 2.5–3.5 | 14.0–16.0 | 2.2–3.2 | 0.15–0.25 | 0.1 | 0.4 | Balance | ||||||||||
| 23 | 0.03 | 0.08 | 0.0125 | 0.25 | 0.13 | 5.5–6.5 | 3.5–4.5 | 0.1 | 0.4 | Balance | ||||||||||||
| 24 | 0.05 | 0.08 | 0.015 | 0.4 | 0.2 | 5.5–6.75 | 3.5–4.5 | 0.04–0.08 | 0.1 | 0.4 | Balance | |||||||||||
| 25 | 0.05 | 0.08 | 0.0125 | 0.4 | 0.2 | 5.6–6.75 | 3.5–4.5 | 0.04–0.08 | 0.3–0.8 | 0 | 0.4 | Balance | ||||||||||
| 26 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.08–0.14 | 0.1 | 0.4 | Balance | |||||||||||||
| 27 | 0.03 | 0.08 | 0.015 | 0.2 | 0.18 | 0.08–0.14 | 0.1 | 0.4 | Balance | |||||||||||||
| 28 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5–3.5 | 2.0–3.0 | 0.08–0.14 | 0.1 | 0.4 | Balance | |||||||||||
| 29 | 0.03 | 0.08 | 0.015 | 0.25 | 0.13 | 5.5-6.5 | 3.5-4.5 | 0.08-0.14 | 0.1 | 0.4 | Balance | |||||||||||
| 30 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.04–0.08 | 0.20–0.80 | 0.1 | 0.4 | Balance | ||||||||||||
| 31 | 0.05 | 0.08 | 0.015 | 0.3 | 0.35 | 0.04–0.08 | 0.20–0.80 | 0.1 | 0.4 | Balance | ||||||||||||
| 32 | 0.03 | 0.08 | 0.015 | 0.25 | 0.11 | 4.5-5.5 | 0.6-1.4 | 0.6-1.4 | 0.6-1.2 | 0.6-1.4 | 0.06-0.14 | 0.1 | 0.4 | Balance | ||||||||
| 33 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | 0.02-0.04 | 0.01-0.02 | 0.1-0.2 | 0.35-0.55 | 0.1 | 0.4 | Balance | ||||||||||
| 34 | 0.05 | 0.08 | 0.015 | 0.3 | 0.35 | 0.02-0.04 | 0.01-0.02 | 0.1-0.2 | 0.35-0.55 | 0.1 | 0.4 | Balance | ||||||||||
| 35 | 0.05 | 0.08 | 0.015 | 0.20-0.80 | 0.25 | 4.0-5.0 | 1.1-2.1 | 1.5-2.5 | 0.20-0.40 | 0.1 | 0.4 | Balance | ||||||||||
| 36 | 0.03 | 0.04 | 0.0035 | 0.03 | 0.16 | 42.0–47.0 | 0.1 | 0.4 | Balance |
Permissible Variations
| Element | max or Range, % | in Product Analysis |
|---|---|---|
| Aluminum | 2.5 to 6.75 | +/-0.40 |
| Carbon | 0.1 | + 0.02 |
| Chromium | 0.1 to 0.2 | +/-0.02 |
| Chromium | 5.5 to 6.5 | +/-0.30 |
| Hydrogen | 0.02 | + 0.002 |
| Iron | 0.8 | + 0.15 |
| Molybdenum | 0.2 to 0.4 | +/-0.03 |
| Molybdenum | 1.5 to 4.5 | +/-0.20 |
| Molybdenum | 14.0 to 16.0 | +/-0.50 |
| Nickel | 0.3 to 0.9 | +/-0.05 |
| Niobium | 2.2 to 3.2 | +/-0.15 |
| Niobium | >30 | +/-0.50 |
| Nitrogen | 0.05 | + 0.02 |
| Oxygen | 0.3 | + 0.03 |
| Oxygen | 0.31 to 0.40 | +/-0.04 |
| Palladium | 0.01 to 0.02 | +/-0.002 |
| Palladium | 0.04 to 0.08 | +/-0.005 |
| Palladium | 0.12 to 0.25 | +/-0.02 |
| Ruthenium | 0.02 to 0.04 | +/-0.005 |
| Ruthenium | 0.04 to 0.06 | +/-0.005 |
| Ruthenium | 0.08 to 0.14 | +/-0.01 |
| Silicon | 0.06 to 0.40 | +/-0.02 |
| Vanadium | 2.0 to 4.5 | +/-0.15 |
| Vanadium | 7.5 to 8.5 | +/-0.40 |
| Zirconium | 3.5 to 4.5 | +/-0.20 |
| ResidualsA (each) | 0.15 | + 0.02 |
Mechanical Properties
Tensile Requirements
Tensile Requirements
| Grade | Tensile Strength min ksi | Tensile Strength min Mpa | Yield Strength 0.2% Offset, min, ksi | Yield Strength 0.2% Offset, min, MPA | Yield Strength 0.2% Offset, max, ksi | Yield Strength 0.2% Offset, max, MPA | Elongation In 2 in. or 50 mm Min % |
|---|---|---|---|---|---|---|---|
| 1 | 35 | (240) | 25 | (170) | 45 | (310) | 24 |
| 2 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| 3 | 65 | (450) | 55 | (380) | 80 | (550) | 18 |
| 5 | 130 | (895) | 120 | (828) | 10 | ||
| 5B | 60 | (1103) | 150 | (1034) | 6 | ||
| 7 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| 9 | 90 | (620) | 70 | (483) | 15 | ||
| 11 | 35 | (240) | 25 | (170) | 45 | (310) | 24 |
| 12 | 70 | (483) | 50 | (345) | 18 | ||
| 13 | 40 | (275) | 25 | (170) | 24 | ||
| 14 | 60 | (410) | 40 | (275) | 20 | ||
| 15 | 70 | (483) | 55 | (380) | 18 | ||
| 16 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| 17 | 35 | (240) | 25 | (170) | 45 | (310) | 24 |
| 18 | 90 | (620) | 70 | (483) | 15 | ||
| 19C | 115 | (793) | 110 | (759) | 15 | ||
| 19B | 135 | (930) | 130 | (897) | 159 | (1096) | 10 |
| 19B | 165 | (1138) | 160 | (1103) | 185 | (1276) | 5 |
| 20C | 115 | (793) | 110 | (759) | 15 | ||
| 20B | 135 | (930) | 130 | (897) | 159 | (1096) | 10 |
| 20B | 165 | (1138) | 160 | (1103) | 185 | (1276) | 5 |
| 21C | 115 | (793) | 110 | (759) | 15 | ||
| 21B | 140 | (966) | 130 | (897) | 159 | (1096) | 15 |
| 21B | 170 | (1172) | 160 | (1104) | 185 | (1276) | 8 |
| 23 | 120 | (828) | 110 | (759) | 10 | ||
| 24 | 130 | (895) | 120 | (828) | 10 | ||
| 25 | 130 | (895) | 120 | (828) | 10 | ||
| 26 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| 27 | 35 | (240) | 25 | (170) | 45 | (310) | 24 |
| 28 | 90 | (620) | 70 | (483) | 15 | ||
| 29 | 120 | (828) | 110 | (759) | 10 | ||
| 33 | 50 | (345) | 40 | (275) | 65 | (450) | 20 |
| 34 | 65 | (450) | 55 | (380) | 80 | (550) | 18 |
| 35 | 130 | (895) | 120 | (828) | 5 |
Tolerances
Filler Metal
Diameter
Weld Reinforcement
Filler Metal
| Base Metal | Filler Metal |
|---|---|
| Grade 1 | Grade 1 |
| Grade 2 | Grade 1 or 2 |
| Grade 3 | Grade 2 or 3 |
| Grade 5 | Grade 5 or 23 |
| Grade 7 | Grade 7 or 11 |
| Grade 9 | Grade 9 |
| Grade 11 | Grade 11 |
| Grade 12 | Grade 12 |
| Grade 13 | Grade 13 |
| Grade 14 | Grade 13 or 14 |
| Grade 15 | Grade 14 or 15 |
| Grade 16 | Grade 7, 11, 16, or 17 |
| Grade 17 | Grade 11 or 17 |
| Grade 18 | Grade 18 |
| Grade 19 | Grade 19 |
| Grade 20 | Grade 20 |
| Grade 21 | Grade 21 |
| Grade 23 | Grade 23 |
| Grade 24 | Grade 24 |
| Grade 25 | Grade 25 |
| Grade 33 | Grade 33 |
| Grade 34 | Grade 33 or 34 |
| Grade 35 | Grade 35 |
Diameter
| Nominal Outside Diameter (NPS)A | Permissible Variations in Outside Diameter Over | Permissible Variations in Outside Diameter Under |
|---|---|---|
| 1⁄ 2in. to 11⁄2 in. (3.2 mm to 38 mm) | ⁄ in. (0.397 mm) | ⁄ in. (0.794 mm) |
| over 11⁄2 in. to 4 in. (38 mm to 102 mm) | 1⁄32 in. (0.794 mm) | 1⁄32 in. (0.794 mm) |
| over 4 in. to 8 in. (102 mm to 203 mm) | 1⁄16 in. (1.588 mm) | 1⁄32 in. (0.794 mm) |
| over 8 in. to 18 in. (203 mm to 432 mm) | 3⁄32 in. (2.382 mm) | 1⁄32 in. (0.794 mm) |
| over 18 in. to 26 in. (432 mm to 660 mm) | 1⁄8 in. (3.175 mm) | 1⁄32 in. (0.794 mm) |
| over 26 in. to 30 in. (660 mm to 762 mm) | 5⁄32 in. (3.969 mm) | 1⁄32 in. (0.794 mm) |
Weld Reinforcement
| Actual Material Thickness, in. | Maximum Reinforcement, in. (mm) Circumferential Joints in Pipe | Maximum Reinforcement, in. (mm) Other Welds |
|---|---|---|
| Less than 3⁄32 | ⁄ (2.832) | ⁄ (0.794) |
| 3⁄32 to 3⁄16, incl. | ⁄ (3.175) | ⁄ (1.588) |
| Over 3⁄16 to 1⁄2, incl. | 5⁄32 (3.969) | ⁄ (2.832) |
| Over 1⁄2 to 1, incl. | 3⁄16 (4.764) | 3⁄32 (2.832) |
| Over 1 to 2, incl. | 1⁄4 (6.35) | 1⁄8 (3.175) |
| Over 2 to 3, incl. | 1⁄4 (6.35) | 5⁄32 (3.969) |
| Over 3 to 4, incl. | 1⁄4 (6.35) | 7⁄32 (5.558) |
| Over 4 to 5, incl. | 1⁄4 (6.35) | 1⁄4 (6.35) |
| Over 5 | 5⁄16 (7.94) | 5⁄16 (7.94) |
OUR PRODUCTS
TITANIUM MILL PRODUCTS
