ASTM A333 Grade 6 Pipe Manufacturer
- Home
- Steel Pipes
- ASTM A333 Grade 6 Pipe
Benefits of ASTM A333 Grade 6 Seamless Pipe
Performs well in freezing and low-temperature environments.
Delivers high tensile and yield strength under stress.
Seamless design lower the risk of leaks.
Offer smooth welds with great formability.
Handle high-pressure system without breaking down.
Works well in gas, oil and chemical industries.
Stay durable even with long-term use.
A trusted high strength seamless pipe with solid results.
This weldable carbon steel pipe gets the job done right.
The main difference between A333 and A106 is their temperature handling capacity. ASTM A333 Grade 6 is made for low-temperature service, while A106 Grade B suits high-temperature use. A333 has added elements like nickel for better toughness in cold conditions. A106 has higher carbon content and withstand heat and pressure.
A333 Grade 6 meets ASTM A333/ASME SA333 standards. A106 Grade B meets ASTM A106/ASME SA106 specs. A333 offers lower yield and tensile strength but better impact resistance in cold weather. A106 has higher mechanical strength for high-heat systems like boilers or refineries.
Use A333 in cryogenic, gas, and cold service lines. Choose A106 for steam, heat exchangers, or high-temp fluid transport. Knowing the difference between A333 and A106 helps you pick the right pipe for the job.
ASTM A333 Grade 6 is known for performance in cold environment. Unlike ASTM A106, A53, or API 5L, it is made to handle low temperatures without cracking. A333 has added elements like manganese and nickel to boost impact strength in freezing condition. While A106 and A53 work well in high-heat or general use, they do not perform as reliably in cold climates. API 5L suit oil and gas flow lines but isn’t meant for cryogenic service. For cold, pressurized jobs, A333 Grade 6 is a dependable choice.
Specifications of ASTM A333 Grade 6 Pipes

Seamless Pipe OD : 1/4″ NB – 36″ NB
Welded Pipe OD : 1/8″ NB – 24″ NB
EFW Pipe Size : 12″ NB – 60″ NB

ASTM A53, A106, A333, A671 /
ASME SA-53, SA-106, SA-333, SA-671

Seamless, ERW, Welded, Fabricated

Round, Square, Rectangular, Hydraulic Etc

Single Random, Double Random & Cut Length.

Plain End, Beveled End, Treaded

SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS

Black / Mill Finish, Painted / Coated, Galvanized / Zinc Coated, Polished / Bright
ASTM A333 Grade 6 Pipe Types
ASTM A333 Grade 6 pipes come in several types to match different job needs. For pressure, size, or connection style, each type has a specific application in system performance.
Manufacturing Types
-
Seamless PipeMade from solid steel, seamless pipes offer high strength and leak-free performance.
-
Welded PipeWelded from flat-rolled steel, widely used where economy and large sizes are required.
-
ERW PipeThese pipes are welded using electric resistance and ideal for light to medium pressure jobs.
-
Fabricated PipesCustom-made by cutting and welding which fit complex layout and special designs.
-
Custom-Sized Pipes or LengthCut to required sizes for easy handling and quick installation on-site.
Pipe Forms
-
Round PipeThe most common shape for fluid and gas transport.
-
Square PipeUsed in architectural and structural applications requiring angular profiles.
-
Rectangular PipeProvides greater strength in load-bearing regions and flat structures.
-
Hydraulic PipeDesigned to provide precise dimensional control for fluid systems under pressure.
Contact us today to discuss how ASTM A333 Grade 6 Pipe can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
The chemical makeup of this carbon steel A333 Gr 6 Pipe enhances strength and ductility at low temperatures. This help prevent cracking and ensures safe performance in cold-weather systems.
| C(max) | Mn | P(max) | S(max) | Si | Ni | |
| Grade 6 | 0.3 | 0.29 – 1.06 | 0.025 | 0.025 | 0.10 (min) |
These pipes offer strong mechanical properties such as high yield and tensile strength that support their use in pressure-based and low-temperature systems.
| ASTM A333 Grade 6 | |
| Minimum Yield | 35,000 PSI |
| Minimum Tensile | 60,000 PSI |
| ASTM A333 Grade 6 | Equivalent Grades |
| ASTM | A333 Gr.6 |
Carbon Steel Pipes Grades We Offer
ASTM A333 Grade 6 Pipe Dimensions Chart
| NPS [inches] | OD [MM] | OD [inches] | WT [MM] | WT [inches] | Weight [kg/m] | Weight [lb/ft] |
| 1/4 | 13.7 | 0.540 | 2.24 | 0.088 | 0.84 | 0.42 |
| 1/2 | 21.3 | 0.840 | 2.77 | 0.109 | 1.27 | 0.85 |
| 1 1/4 | 42.2 | 1.660 | 3.56 | 0.140 | 3.39 | 2.27 |
| 1 1/2 | 48.3 | 1.900 | 3.68 | 0.145 | 4.05 | 2.72 |
| 2 | 60.3 | 2.375 | 3.91 | 0.154 | 5.44 | 3.65 |
| 3/4 | 26.7 | 1.050 | 2.87 | 0.113 | 1.69 | 1.13 |
| 1 | 33.4 | 1.315 | 3.38 | 0.133 | 2.50 | 1.68 |
| 8 | 219.1 | 8.625 | 8.18 | 0.322 | 42.55 | 28.55 |
| 10 | 273.0 | 10.750 | 9.27 | 0.365 | 60.31 | 40.48 |
| 12 | 323.8 | 12.750 | 10.31 | 0.406 | 79.73 | 53.52 |
| 6 | 168.3 | 6.625 | 7.11 | 0.280 | 28.26 | 18.97 |
| 1/8 | 10.3 | 0.405 | 1.73 | 0.068 | 0.37 | 0.24 |
| 20 | 508.0 | 20 | 15.09 | 0.594 | 183.42 | 123.11 |
| 24 | 610.0 | 24 | 17.48 | 0.688 | 255.41 | 171.29 |
| 14 | 355.6 | 14 | 11.13 | 0.375 | 94.55 | 54.57 |
| 16 | 406.4 | 16 | 12.70 | 0.500 | 123.30 | 82.77 |
| 18 | 457.0 | 18 | 14.27 | 0.562 | 155.80 | 104.67 |
| 2 1/2 | 73.0 | 2.875 | 5.16 | 0.203 | 8.63 | 5.79 |
| 3 | 88.9 | 3.500 | 5.49 | 0.216 | 11.29 | 7.58 |
| 3 1/2 | 101.6 | 4.000 | 5.74 | 0.226 | 13.57 | 9.11 |
| 4 | 114.3 | 4.500 | 6.02 | 0.237 | 16.07 | 10.79 |
| 5 | 141.3 | 5.563 | 6.55 | 0.258 | 21.77 | 14.62 |
| 32 | 813.0 | 32 | 17.48 | 0.688 | 342.91 | 230.08 |
ASTM A333 Gr 6 Pipe Weight Chart
Knowing the pipe weight help plan material handling, calculate loads, and estimate project costs. Weight vary by size and wall thickness.
| Nominal Dia (inch) | Nominal Dia (mm) | O.D. (inch) | O.D. (mm) | SCH 30/40 Wall Thickness (inch) | SCH 30/40 Wall Thickness (mm) | SCH 30/40 STANDARD WEIGHT (kg/mtrs) | SCH 30/40 STANDARD WEIGHT (lbs/ft) | SCH 10 Wall Thickness (inch) | SCH 10 Wall Thickness (mm) | SCH 10 STANDARD WEIGHT (kg/mtrs) | SCH 10 STANDARD WEIGHT (lbs/ft) |
| 1/2” | 15 | 0.840 | 21.30 | 0.109 | 2.77 | 1.27 | 0.85 | – | – | – | – |
| 3/4” | 20 | 1.050 | 26.70 | 0.113 | 2.87 | 1.69 | 1.13 | 0.083 | 2.11 | 1.28 | 0.96 |
| 1” | 25 | 1.315 | 33.40 | 0.133 | 3.38 | 2.50 | 1.68 | 0.109 | 2.77 | 2.09 | 1.41 |
| 1.1/4” | 32 | 1.660 | 42.20 | 0.140 | 3.56 | 3.39 | 2.27 | 0.109 | 2.77 | 2.69 | 1.81 |
| 1.1/2” | 40 | 1.900 | 48.30 | 0.145 | 3.68 | 4.05 | 2.72 | 0.109 | 2.77 | 3.11 | 2.09 |
| 2” | 50 | 2.375 | 60.30 | 0.154 | 3.91 | 5.45 | 3.66 | 0.109 | 2.77 | 3.93 | 2.64 |
| 2.1/2” | 65 | 2.875 | 73.00 | 0.203 | 5.16 | 8.64 | 5.80 | 0.120 | 3.05 | 5.26 | 3.53 |
| 3” | 80 | 3.500 | 88.90 | 0.216 | 5.49 | 11.29 | 7.58 | 0.120 | 3.05 | 6.46 | 4.34 |
| 3.1/2” | 90 | 4.000 | 101.60 | 0.226 | 5.74 | 13.58 | 9.12 | 0.120 | 3.05 | 7.41 | 4.98 |
| 4” | 100 | 4.500 | 114.30 | 0.237 | 6.02 | 16.09 | 10.80 | 0.120 | 3.05 | 8.37 | 5.62 |
| 5” | 125 | 5.563 | 141.30 | 0.258 | 6.55 | 21.79 | 14.63 | 0.134 | 3.40 | 11.58 | 7.78 |
| 6” | 150 | 6.625 | 168.30 | 0.280 | 7.11 | 28.29 | 18.99 | 0.134 | 3.40 | 13.85 | 9.30 |
| 8” | 200 | 8.625 | 219.10 | 0.277 | 7.04 | 36.82 | 24.72 | 0.188 | 4.78 | 25.26 | 16.96 |
| 10” | 250 | 10.750 | 273.10 | 0.307 | 7.08 | 51.05 | 34.27 | 0.188 | 4.78 | 31.62 | 21.23 |
Tight tolerance ensure proper fit in piping systems and help prevent leakage or stress at joints. This is key for maintaining safety in pressure applications.
| Size (inch) | OD (mm) | Wall Thickness (mm) | OD Tolerance (mm) | WT Tolerance (mm) |
| 1/2 | 21.3 | 2.77 | ±0.41 | ±0.25 |
| 3/4 | 26.7 | 2.87 | ±0.46 | ±0.25 |
| 1 | 33.4 | 3.38 | ±0.51 | ±0.30 |
| 1 1/4 | 42.2 | 3.56 | ±0.57 | ±0.30 |
| 1 1/2 | 48.3 | 3.68 | ±0.57 | ±0.30 |
| 2 | 60.3 | 3.91 | ±0.64 | ±0.35 |
| 2 1/2 | 73.0 | 5.16 | ±0.70 | ±0.35 |
| 3 | 88.9 | 5.49 | ±0.76 | ±0.40 |
| 4 | 114.3 | 6.02 | ±0.89 | ±0.40 |
Manufacturing Process of Carbon Steel ASTM A333 Grade 6 Pipe
Round Bar

Analytic

Cut to Length

Centering

Heating

Perforation

Inspection of Size

Pickling

Inspection of Surface

Lubricating

Cold Drawing (Cold Rolling)

Degreasing

Annealing

Straightening

Cut

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping
Applications and Uses of ASTM A333 Grade 6 Pipe
ASTM A333 Grade 6 Pipe Price Per Kg in India
The price of ASTM A333 Grade 6 pipe per kg in India depend on many factors. Raw material cost, order size, pipe thickness, surface finish, and delivery location all play a role. Prices can go up or down based on daily market rates. For the most accurate price, request a current quote from our team. This help you plan better and avoid additional cost in your project.
Customization Options & Stock Availability
Why Choose Midland Alloys Inc. for ASTM A333 Grade 6 Pipe
Frequently Asked Questions About ASTM A333 Grade 6 Pipe
ASTM A333 GR 6 is roughly equivalent to ASME SA333 GR 6 and EN 10216-4 Grade P265NL.
Yes. They are designed for low-temperature service and perform well in cryogenic environments.



