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A106 GR b pipe
Sizes (ERW): 1/2" NB - 24" NB
Sizes (Seamless): 1/2" NB - 60" NB
Sizes (SAW): 16" NB - 100" NB
This specification covers seamless carbon steel pipe for high-temperature service
Wall Thickness available:Schedule 20 - Schedule XXS
A106 GR b pipe (also known as ASME SA106 pipe) is commonly used in the transport fluids and gasses that exhibit higher temperatures and pressure levels.
Material Grades
| High Temperature Seamless Pipe | ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B |
|---|---|
| High Yield Seamless Pipe | API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2 |
| High Yield ERW/SAW Pipe |
API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2 ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485 |
Dimensions :
All Pipe is manufactured and inspected/tested to the relevant standards including ASTM, ASME, API.
Chemical Composition ASTM A106 Carbon Steel Pipes Grades
| Grade A | Grade B | Grade C | Total of Cr, Cu, Mo, Ni, and V shall not exceed 1% | |
| Carbon max. % | 0.25 | 0.30 | 0.35 | |
| Manganese % | 0.27 to 0.93 | 0.29 to 1.06 | 0.29 to 1.06 | |
| Phosphorous, max. % | 0.035 | 0.035 | 0.035 | |
| Sulfur, max. % | 0.035 | 0.035 | 0.035 | |
| Silicon, min.% | 0.10 | 0.10 | 0.10 | |
| Chrome, max. % | 0.40 | 0.40 | 0.40 | |
| Copper, max. % | 0.40 | 0.40 | 0.40 | |
| Molybdenum, max. % | 0.15 | 0.15 | 0.15 | |
| Nickel, max. % | 0.40 | 0.40 | 0.40 | |
| Vanadium, min.% | 0.08 | 0.08 | 0.08 |
Permissible Variations in Wall Thickness
The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.
Permissible Variations in Weights per Foot Weight of any length shall not vary more than 10% over and 3.5% under that specified.
NOTE -- NPS 4 and smaller -- weighed in lots. Larger sizes shall be weighed separately by length. Permissible Variations in Outside Diameter
Outside Diameter at any point shall not vary from standard specified more than:
Tensile Requirements
| Seamless | |||
| Grade A | Grade B | Grade C | |
| Tensile Strength, min., psi | 48,000 | 60,000 | 70,000 |
| Yield Strength, min., psi | 30,000 | 35,000 | 40,000 |
Hydrostatic Testing
Inspection test pressures produce a stress in the pipe wall equal to 60% of specified minimum yield strength (SMYS) at room temperature. Maximum Pressures are not to exceed 2500 psi for NPS3 and under 2800 psi for the larger sizes. Pressure is maintained for not less than 5 seconds.
Mechanical Tests Specified
Bending Test (Cold) -- NPS 2 and under.
| Degree of Bend | Diameter of Mandrel | |
| For Normal A106 Uses | 90 | 12 x nom dia. of pipe |
| For Close Coiling | 180 | 8 x nom dia. of pipe |
Tensile Test -- NPS 8 and larger -- either transverse or longitudinal acceptable
Smaller than NPS 8 -- weighed in lots. Larger sizes -- by length.
Flattening Test -- NPS 2-1/2 and larger.
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- Carbon steel pipe Standard
- ASTM A106 pipe
- ASTM A53 pipe
- ASTM A192 pipe
- ASTM A252 pipe
- ASTM A179 pipe
- DIN 1629 pipe
- DIN 17175 pipe
- Alloy pipe Standard
- ASTM A335 pipe
- ASTM A210 pipe
- ASTM A213 pipe
- ASTM A234 pipe
- ASTM A519 pipe
- Stainless pipe metrial
- 304, 304L, 304SS pipe
- 310, 310S pipe
- 316, 316L pipe
- Pipe Fitting Metrial
- Carbon steel: A234 WPB pipe
- Stainless steel: 304,316 pipe
- Alloy steel: A234 WP5 WP9 WP11 WP22 pipe