Welded Steel Tube for Pressure Purposes
Welded Steel Tube for Pressure Purposes
Description
1. Fastube welded steel tube for pressure purposes is known foruniform wall thickness, great strength, and good anti collapsing performance.
2. The useof ERW pipe manufacturing technique greatly reduces energy consumption, thus meetingenvironmentalprotection requirements
Application
Technical Specification
Size | Wall thickness | ||||||||||||
mm | mm | ||||||||||||
| mm | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 14 |
Inch |
| 0.078 | 0.118 | 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 | 0.551 |
2 3/8 | 60.3 | 0.078 | 0.118 | 0.157 | 0.197 |
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2 7/8 | 70.3 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 |
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3 1/2 | 88.9 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 | 0.276 |
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4 | 101.6 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 | 0.276 | 0.315 |
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4 1/2 | 114.3 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 | 0.276 | 0.315 |
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5 1/2 | 139.7 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 |
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6 | 152 | 0.078 | 0.118 | 0.157 | 0.197 | 0.236 |
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6 1/4 | 159 |
| 0.118 | 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 |
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6 5/8 | 168.3 |
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| 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 |
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7 | 177.8 |
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| 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 |
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8 5/8 | 219.1 |
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| 0.157 | 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 |
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10 3/4 | 273.1 |
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| 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 |
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12 3/4 | 323.9 |
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| 0.197 | 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 |
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14 | 355.6 |
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| 0.236 | 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 |
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16 | 406.4 |
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| 0.276 | 0.315 | 0.354 | 0.394 | 0.433 | 0.472 |
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Material
Standard | Grade | C | Mn | Si | P | S | V | Ni | Cu | Cr | Mo |
ASTM A500 | A | 0.30 | 1.40 | - | 0.045 | 0.045 | - | - | ≥0.18 | - | - |
B | 0.30 | 1.40 | - | 0.045 | 0.045 | - | - | ≥0.18 | - | - | |
C | 0.27 | 1.40 | - | 0.045 | 0.045 | - | - | ≥0.18 | - | - | |
D | 0.30 | 1.40 | - | 0.045 | 0.045 | - | - | ≥0.18 | - | - | |
ASTM A53M | A | 0.25 | 0.95 | - | 0.05 | 0.045 | 0.08 | 0.4 | 0.4 | 0.4 | 0.15 |
B | 0.30 | 1.20 | - | 0.05 | 0.045 | 0.08 | 0.4 | 0.4 | 0.4 | 0.15 | |
GB/T700 | Q235A | 0.14~0.22 | 0.3~0.65 | 0.30 | 0.045 | 0.05 | - | - | - | - | - |
Q235B | 0.12~0.20 | 0.3~0.7 | 0.045 | - | - | - | - | - | |||
Q235C | 0.18 | 0.35~0.8 | 0.04 | 0.04 | - | - | - | - | - | ||
Q235D | 0.17 | 0.035 | 0.035 | - | - | - | - | - | |||
GB/T1591 | Q345A | 0.20 | 1~1.6 | 0.55 | 0.045 | 0.045 | 0.02~0.15 | - | - | - | - |
Q345B | 0.20 | 0.040 | 0.040 | - | - | - | - | ||||
Q345C | 0.20 | 0.035 | 0.035 | 0.15 | - | - | - | - | |||
Q345D | 0.18 | 0.030 | 0.030 | - | - | - | - | ||||
Q345E | 0.18 | 0.025 | 0.025 | - | - | - | - | ||||
GB/T699 | 10 | 0.07~0.13 | 0.35~0.65 | 0.17~0.37 | 0.035 | 0.035 | - | 0.30 | 0.25 | 0.15 | - |
20 | 0.17~0.23 | 0.35~0.65 | 0.17~0.37 | 0.035 | 0.035 | - | 0.30 | 0.25 | 0.25 | - |
Fastube is a