ASTM A333 Low Temperature Pipe
ASTM A333: American Society for Testing and Materials
Seamless Steel Pipe for Low-Temperature Service
Sizes: 1/8" to 24”
WT Schedules: SCH 10, SCH 20, SCH 40, SCH STD, SCH 80, SCH XS to SCH 160. SCH XXS
Length: Single Random Length, Double Random Length. 20ft. 40ft
Ends Types: Plain, Beveled
Application: Oil, Gas and water delivery; Refinery, Boiler and Mechanical equipment manufacturer; structure construction; drilling, ship building and etc.
Element | Composition, % | ||||||||
Grade 1 | Grade 3 | Grade 4 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | |
Carbon, max | 0.30 | 0.19 | 0.12 | 0.30 | 0.19 | 0.13 | 0.20 | 0.20 | 0.10 |
Manganese | 0.40-1.06 | 0.31-0.64 | 0.50-1.05 | 0.29-1.06 | 0.90 max | 0.90 max | 0.40-1.06 | 1.15-1.50 | 0.60 max |
Phosphorus, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.035 | 0.025 |
Sulfur, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.015 | 0.025 |
Silicon | 0.18-0.37 | 0.08-0.37 | 0.10 min | 0.13-0.32 | 0.13-0.32 | 0.10-0.35 | 0.35 max | ||
Nickel | 3.18-3.82 | 0.47-0.98 | 0.40 min | 2.03-2.57 | 8.40-9.60 | 1.60-2.24 | 0.25 max | 35.0-37.0 | |
Chromium | 0.44-1.01 | 0.30 max | 0.15 max | 0.50 max | |||||
Copper | 0.40-0.75 | 0.40 ,ax | 0.75-1.25 | 0.15 max | |||||
Aluminum | 0.04-0.30 | 0.06 max | |||||||
Vanadium, max | 0.08 | 0.12 | |||||||
Niobium, max | 0.02 | 0.05 | 0.50 max | ||||||
Molybdenum, max | 0.12 | 0.05 | |||||||
Cobalt | 0.50 max |
Tensile Requirements
Grade 1 | Grade 3 | Grade 4 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | ||||||||||
psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | psi | Mpa | |
Tensile strength, min | 55000 | 380 | 65000 | 450 | 60000 | 415 | 60000 | 415 | 65000 | 450 | 100000 | 690 | 63000 | 435 | 80000 | 550 | 65000 | 450 |
Yield strength, min | 30000 | 205 | 35000 | 240 | 35000 | 240 | 35000 | 240 | 35000 | 240 | 72000 | 515 | 46000 | 315 | 65000 | 450 | 35000 | 240 |
Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi-tudinal | Trans-verse | Longi- tudinal | ||
Elongation in 2 in. or 50 mm, (or 4D), min, %: Basic minimum Elongation for walls s/e in. [8mm] and over in thickness, strip tests, and for all small sizes tested in full section | 35 | 25 | 30 | 20 | 30 | 16.5 | 30 | 16.5 | 30 | 22 | 22 | 28 | 22 | 18 | ||||
When standard round 2-in. or50-mm gage length or proportionally smaller size test specimen with the gage length equal to 4D (4 times the diameter) is used | 28 | 20 | 22 | 14 | 22 | 12 | 22 | 12 | 22 | 14 | 16 | 16 | ||||||
For strip tests, a deduction for each in. [o.8 mm] decrease in wall thickness below s/e in. [8 mm] from the basic minimum elongation of the following percentage | 1.75 | 1.25 | 1.50 | 1.00 | 1.50 | 1.00 | 1.50 | 1.00 | 1.50 | 1.00 | 1.25 | 1.50 | 1.255 |
lmpact Temperature
Grade | lmpact Test Temperature | |
℉ | ℃ | |
1 | -50 | -45 |
3 | -150 | -100 |
4 | -150 | -100 |
6 | -50 | -45 |
7 | -100 | -75 |
8 | -320 | -195 |
9 | -100 | -75 |
10 | -75 | -60 |
11 | -320 | -195 |