ASTM A333
ASTM A333 Steel Pipe
In the world of construction and infrastructure, ASTM A333 stands out as a leading standard for seamless and welded carbon and alloy steel pipes. Specifically tailored for applications in low temperatures, these pipes are not only resilient but are also crafted with meticulous attention to their impact properties, especially when used in freezing conditions.
ASTM A333 Specification
Choosing ASTM A333 is choosing precision. These pipes adhere to the strict dimensions laid out by the ASME B36.10M standard. Whether it’s seamless or welded, each pipe undergoes rigorous production procedures, ensuring uniformity and consistency. The range covers diverse steel grades and offers options in surface coatings, end types, joint methods, and machining services. By opting for ASTM A333, you avail the flexibility and adaptability tailored to your unique project needs.
| Standard | ASTM A333 | |||||
| Procedure | Seamless,Welding,ERW | |||||
| Steel Grade | Grade 1,3,4,6,7,8,9,10,11 | |||||
| Dimension | 1/2”-36” | |||||
| Length | R1,R2,5.8m,11.8m,Customed | |||||
| Coating | 3PE/3LPE, FBE, Galvanized, Varnished | |||||
| Wall Thickness | SCH10,SCH40,SCH80 SCH160,SCHXS,SCHXXS | |||||
| Pipe End | Plain End,Beveled End,Thread | |||||
| Chemical composition | Grade | C | Si | Mn | P | S |
| Grade 1 | ≤0.30 | 0.40~1.06 | ≤0.025 | ≤0.025 | ||
| Grade 3 | ≤0.19 | 0.18~0.37 | 0.31~0.64 | ≤0.025 | ≤0.025 | |
| Grade 4 | ≤0.12 | 0.18~0.37 | 0.50~1.05 | ≤0.025 | ≤0.025 | |
| Grade 6 | ≤0.30 | ≥0.10 | 0.29~1.06 | ≤0.025 | ≤0.025 | |
| Grade 7 | ≤0.19 | 0.13~0.32 | ≤0.90 | ≤0.025 | ≤0.025 | |
| Grade 8 | ≤0.13 | 0.13~0.32 | ≤0.90 | ≤0.025 | ≤0.025 | |
| Grade 9 | ≤0.20 | 0.40~1.06 | ≤0.025 | ≤0.025 | ||
| Grade 10 | ≤0.20 | 0.10~0.35 | 1.15~1.50 | ≤0.03 | ≤0.015 | |
| Grade 11 | ≤0.10 | ≤0.35 | ≤0.6 | ≤0.025 | ≤0.025 | |
| Mechanical Property | Grade | Tensile Strength (MPa) | Yield Point (MPa) | Elongation (%) | ||
| Y | X | |||||
| Grade 1 | ≥380 | ≥205 | ≥35 | ≥25 | ||
| Grade 3 | ≥450 | ≥240 | ≥30 | ≥20 | ||
| Grade 4 | ≥415 | ≥240 | ≥30 | ≥16.5 | ||
| Grade 6 | ≥415 | ≥240 | ≥30 | ≥16.5 | ||
| Grade 7 | ≥450 | ≥240 | ≥30 | ≥22 | ||
| Grade 8 | ≥690 | ≥515 | ≥22 | – | – | |
| Grade 9 | ≥435 | ≥315 | ≥28 | – | – | |
| Grade 10 | ≥550 | ≥450 | ≥22 | – | – | |
| Grade 11 | ≥450 | ≥240 | ≥18 | – | – | |
| Strike temperture condition | The lowest temperature for strike test | |||||
| Grade | °F | °C | Grade | °F | °C | |
| ASTM A333 Grade 1 | -50 | -45 | ASTM A333 Grade 7 | -100 | -75 | |
| ASTM A333 Grade 3 | -150 | -100 | ASTM A333 Grade 8 | -320 | -195 | |
| ASTM A333 Grade 4 | -150 | -100 | ASTM A333 Grade 9 | -100 | -75 | |
| ASTM A333 Grade 6 | -50 | -45 | ASTM A333 Grade 10 | -75 | -60 | |
ASTM A333 Dimension Table
Adherence to accurate dimensions is critical for the success of any project. ASTM A333 pipes are meticulously crafted as per the ASME B36.10M standard, encompassing NPS or outside diameter and schedule number of average thickness. When you select ASTM A333, you’re not just choosing a pipe; you’re choosing precise measurements, ensuring seamless integration into your projects.
| Nominal Pipe Size | Outside Diameter (mm) | Nominal Wall Thickness Schedule | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | DN | OD | SCH 10 | SCH 20 | SCH 30 | SCH Sth | SCH 40 | SCH 60 | SCH XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | SCH XXS |
| 1/8 | 6 | 10.3 | 1.24 | – | 1.45 | 1.73 | 1.73 | – | 2.41 | 2.41 | – | – | – | – | – |
| 1/4 | 8 | 13.7 | 1.65 | – | 1.85 | 2.24 | 2.24 | – | 3.02 | 3.02 | – | – | – | – | – |
| 3/8 | 10 | 17.1 | 1.65 | – | 1.85 | 2.31 | 2.31 | – | 3.20 | 3.20 | – | – | – | – | – |
| 1/2 | 15 | 21.3 | 2.11 | – | 2.41 | 2.77 | 2.77 | – | 3.73 | 3.73 | – | – | – | 4.78 | 7.47 |
| 3/4 | 20 | 26.7 | 2.11 | – | 2.41 | 2.87 | 2.87 | – | 3.91 | 3.91 | – | – | – | 5.56 | 7.82 |
| 1 | 25 | 33.4 | 2.77 | – | 2.9 | 3.38 | 3.38 | – | 4.55 | 4.55 | – | – | – | 6.35 | 9.09 |
| 1 1/4 | 32 | 42.2 | 2.77 | – | 2.97 | 3.56 | 3.56 | – | 4.85 | 4.85 | – | – | – | 6.35 | 9.70 |
| 1 1/2 | 40 | 48.3 | 2.77 | – | 3.18 | 3.68 | 3.68 | – | 5.08 | 5.08 | – | – | – | 7.14 | 10.15 |
| 2 | 50 | 60.3 | 2.77 | – | 3.18 | 3.91 | 3.91 | – | 5.54 | 5.54 | – | – | – | 8.74 | 11.07 |
| 2 1/2 | 65 | 73 | 3.05 | – | 4.78 | 5.16 | 5.16 | – | 7.01 | 7.01 | – | – | – | 9.53 | 14.02 |
| 3 | 80 | 88.9 | 3.05 | – | 4.78 | 5.49 | 5.49 | – | 7.62 | 7.62 | – | – | – | 11.13 | 15.24 |
| 3 1/2 | 90 | 101.6 | 3.05 | – | 4.78 | 5.74 | 5.74 | – | 8.08 | 8.08 | – | – | – | – | – |
| 4 | 100 | 114.3 | 3.05 | – | 4.78 | 6.02 | 6.02 | – | 8.56 | 8.56 | – | 11.13 | – | 13.49 | 17.12 |
| 5 | 125 | 141.3 | 3.40 | – | – | 6.55 | 6.55 | – | 9.53 | 9.53 | – | 12.70 | – | 15.88 | 19.05 |
| 6 | 150 | 168.3 | 3.40 | – | – | 7.11 | 7.11 | – | 10.97 | 10.97 | – | 14.27 | – | 18.26 | 21.95 |
| 8 | 200 | 219.1 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 10 | 250 | 273.0 | 4.19 | 6.35 | 7.80 | 9.27 | 9.27 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 25.40 | 28.58 | 25.40 |
| 12 | 300 | 323.8 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.70 | 17.48 | 21.44 | 25.40 | 28.58 | 33.32 | 25.40 |
| 14 | 350 | 355.6 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.70 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | – |
| 16 | 400 | 406.4 | 6.35 | 7.92 | 9.53 | 9.53 | 12.70 | 16.66 | 12.70 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | – |
| 18 | 450 | 457 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.70 | 23.83 | 29.36 | 34.93 | 39.67 | 45.24 | – |
| 20 | 500 | 508 | 6.35 | 9.53 | 12.70 | 9.53 | 15.09 | 20.62 | 12.70 | 26.19 | 32.54 | 38.10 | 44.45 | 50.01 | – |
| 22 | 550 | 559 | 6.35 | 9.53 | 12.70 | 9.53 | – | 22.23 | 12.70 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | – |
| 24 | 600 | 610 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.70 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | – |
| 26 | 650 | 660 | 7.92 | 12.70 | – | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
| 28 | 700 | 711 | 7.92 | 12.70 | 15.88 | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
| 30 | 750 | 762 | 7.92 | 12.70 | 15.88 | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
| 32 | 800 | 813 | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | – | 12.70 | – | – | – | – | – | – |
| 34 | 850 | 864 | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | – | 12.70 | – | – | – | – | – | – |
| 36 | 900 | 914 | 7.92 | 12.70 | 15.88 | 9.53 | 19.05 | – | 12.70 | – | – | – | – | – | – |
| 38 | 950 | 965 | – | – | – | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
| 40 | 1000 | 1016 | – | – | – | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
| 42 | 1050 | 1067 | – | – | – | 9.53 | – | – | 12.70 | – | – | – | – | – | – |
Chemical Requirements of ASTM A333
Every ASTM A333 pipe is a testament to the perfect chemical balance, fostering durability and strength. Especially notable is the careful regulation of elements like carbon and manganese, ensuring a harmonious blend that enhances the pipe’s resilience. With the assurance that your pipe has been treated and crafted with a stringent chemical balance, you’re not just ensuring longevity but also safety.
| Chemical Requirements | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Element | Composition, % | ||||||||
| Grade 1A | Grade 3 | Grade 4 | Grade 6A | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | |
| Carbon, max | 0.3 | 0.19 | 0.12 | 0.3 | 0.19 | 0. 13 | 0.2 | 0.2 | 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 | – | 2.03–2.57 | 8.40–9.60 | 1.60–2.24 | 0.25 max | 35.0–37.0 |
| Chromium | – | – | 0.44– 1.01 | – | – | – | – | 0.15 max | 0.50 max |
| Copper | – | – | 0.40–0.75 | – | – | – | 0.75– 1.25 | 0.15 max | – |
| Aluminum | – | – | 0.04–0.30 | – | – | – | – | 0.06 max | – |
| Vanadium, max | – | – | – | – | – | – | – | 0.12 | – |
| Columbium, max | – | – | – | – | – | – | – | 0.05 | – |
| Molybdenum, max | – | – | – | – | – | – | – | 0.05 | 0.50 max |
| Cobalt | – | – | – | – | – | – | – | – | 0.50 max |
| A For each reduction of 0.01 % carbon below 0.30 %, an increase of 0.05 % manganese above 1.06 % would be permitted to a maximum of 1.35 % manganese. | |||||||||
Mechanical Requirements of ASTM A333
Mechanical robustness is non-negotiable in infrastructural projects. ASTM A333 doesn’t compromise. Each pipe undergoes a series of tests such as tension, flattening, hardness, and bend tests, ensuring they meet the highest standards. When you invest in ASTM A333, you’re investing in unparalleled mechanical integrity, guaranteeing the stability of your undertakings.
| Tensile Requirements | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mechanical Properties | 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 | 75000 | 515 | 46000 | 315 | 65000 | 450 | 35000 | 240 |
Steel Grades in ASTM A333
Diversity is at the core of ASTM A333, ensuring there’s a fit for every requirement. With grades ranging from Grade 1 to Grade 11, each offers distinct properties catering to varying needs. By choosing ASTM A333, you’re not just selecting a steel grade but optimizing the structural integrity, durability, and efficiency of your projects.
- Grade 1
- Grade 3
- Grade 4
- Grade 6
- Grade 7
- Grade 8
- Grade 9
- Grade 10
- Grade 11
