Chetak Steel is one of the leading manufacturers and suppliers of high-quality Carbon Steel products. Precision and reliability being a trademark for Chetak Steel, the Carbon Steel A671 Gr CC 70 Pipe offers a superior performance solution in critical applications of oil and gas, petrochemical, and power generation industries. Stronger, more rigid, and designed to withstand conditions of high pressures, these are the pipes needed for onshore and offshore sites. Chetak Steel sets a benchmark to ensure quality on time, customers first, for the steel company.
Carbon Steel A671 Gr CC 70 Pipe is a top-notch steel pipe crafted to meet ASTM A671 standards, specifically designed for high-temperature and high-pressure scenarios in boilers, heat exchangers, and pressure vessels. These pipes boast impressive mechanical strength, durability, and a sleek surface finish, making them perfect for industrial, petrochemical, and power generation settings where dependable performance under thermal and pressure stress is essential.
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Specification |
ASTM A671 /ASME SA671 |
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Material Test Certificate |
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
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Type |
EFW (ELECTRIC FUSION WELDED PIPES) |
| Material | A515 Gr 70 |
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Outer Diameter Size |
16″ NB To 100″ NB (Nominal Bore Size) |
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Wall Thickness |
Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness |
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Packaging |
Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
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Class Designation |
CLASS 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42 |
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Length |
5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
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Other Testing |
NACE MR0175, NACE TM0177, NACE TM0284, CHARPY V-NOTCH TEST, RADIOGRAPHIC EXAMINATION, XRAY, ULTRASONIC EXAMINATION, LIQUID PENETRANT, MAGNETIC PARTICLE, HIC TEST, SSC TEST, SWC, H2 SERVICE, IBR, PWHT etc. |
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Dimension |
All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API. |
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Value Added Services |
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Galavanizing / Heat Treatment |
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Coating |
Epoxy Coating / Colour Paint Coating / 3LPE Coating. |
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Shipment & Transportation |
By Road – Truck / Train, By Sea – Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air – Freighter Civil Passenger and Cargo Planes |
| Standards | CC70, JIS JPI-SB49 |
| Specification | Steel grade | Chemical composition | Remarks | |||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ti | |||
| Pipes for pressure service ASTM A671 CC70 | -/A45 | -/0.17 | – | 0.98 | 0.035 | 0.035 | – | A671/ A672 |
| -/A50 | -/0.22 | – | ||||||
| CA55/A55 | 0.28 | – | ||||||
| -/B55 | -/0.20 | 0.13 ~0.45 | ||||||
| CB60/B60 | 0.24 | |||||||
| CB65/B65 | 0.28 | |||||||
| CB70/C70 | 0.31 | 1.30 | ||||||
| -/C55 | -/0.18 | 0.55 ~0.98 | ||||||
| CC60/C60 | 0.21 | |||||||
| CC65/C65 | 0.24 | 0.79 ~1.30 | ||||||
| CC70/C70 | 0.27 | |||||||
| Products | Steel Grade | BASE METAL MECHANICAL COMPOSITION | Welding point tensile strength (N/mm2) | Remarks | |||
|---|---|---|---|---|---|---|---|
| Yield point (N/mm2) | Tensile Stregth (N/mm2) | Test Pieces | Elongation (%) | ||||
| Pipes for pressure service ASTM A671 CC70 | -/A45 | -/165 | -/310~450 | – | -/30 | -/310~450 | A671/ A672 |
| -/A50 | -/185 | -/345~485 | -/28 | -/345~485 | |||
| CA55/A55 | 205 | 380~515 | 27 | 380~515 | |||
| -/B55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
| CB60/B60 | 220 | 415~550 | 25 | 415~550 | |||
| CB65/B65 | 240 | 450~585 | 23 | 450~585 | |||
| CB70/B70 | 260 | 485~620 | 21 | 485~620 | |||
| -/C55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
| CC60/C60 | 220 | 415~550 | 25 | 415~550 | |||
| CC65/C65 | 240 | 450~585 | 23 | 450~585 | |||
| CC70/C70 | 260 | 485~620 | 21 | 485~620 | |||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Maximum Allowable Pressure (psi) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter | Schedule | ||||||||||||
| (in) | (in) | 10 | 20 | 30 | STD | 40 | 60 | XS | 80 | 100 | 120 | 140 | 160 | XXS |
| 1/4 | 0.54 | 7985 | 7985 | 10798 | 10798 | |||||||||
| 3/8 | 0.675 | 6606 | 6606 | 9147 | 9147 | |||||||||
| 1/2 | 0.84 | 6358 | 6358 | 8575 | 8575 | 10908 | 17150 | |||||||
| 3/4 | 1.05 | 5273 | 5273 | 7187 | 7187 | 10220 | 14373 | |||||||
| 1 | 1.315 | 4956 | 4956 | 6670 | 6670 | 9316 | 13340 | |||||||
| 1 1/4 | 1.66 | 4133 | 4133 | 5638 | 5638 | 7380 | 11276 | |||||||
| 1 1/2 | 1.9 | 3739 | 3739 | 5158 | 5158 | 7247 | 10316 | |||||||
| 2 | 2.375 | 3177 | 3177 | 4498 | 4498 | 7097 | 8995 | |||||||
| 2 1/2 | 2.875 | 3460 | 3460 | 4704 | 4704 | 6391 | 9408 | |||||||
| 3 | 3.5 | 3024 | 3024 | 4200 | 4200 | 6132 | 8400 | |||||||
| 3 1/2 | 4 | 2769 | 2769 | 3896 | 3896 | |||||||||
| 4 | 4.5 | 2581 | 2581 | 3670 | 3670 | 4769 | 5782 | 7339 | ||||||
| 5 | 5.563 | 2273 | 2273 | 3303 | 3303 | 4404 | 5505 | 6606 | ||||||
| 6 | 6.625 | 2071 | 2071 | 3195 | 3195 | 4157 | 5318 | 6390 | ||||||
| 8 | 8.625 | 1420 | 1574 | 1829 | 1829 | 2307 | 2841 | 2841 | 3375 | 4085 | 4613 | 5147 | 4971 | |
| 10 | 10.75 | 1140 | 1399 | 1664 | 1664 | 2279 | 2279 | 2708 | 3277 | 3847 | 4558 | 5128 | 4558 | |
| 12 | 12.75 | 961 | 1268 | 1441 | 1560 | 2160 | 1922 | 2644 | 3244 | 3843 | 4324 | 5042 | 3843 | |
| 14 | 14 | 875 | 1092 | 1313 | 1313 | 1533 | 2079 | 1750 | 2625 | 3283 | 3829 | 4375 | 4921 | |
| 16 | 16 | 766 | 956 | 1148 | 1148 | 1531 | 2009 | 1531 | 2585 | 3157 | 3733 | 4404 | 4882 | |
| 18 | 18 | 681 | 849 | 1192 | 1021 | 1530 | 2042 | 1361 | 2553 | 3147 | 3743 | 4252 | 4848 | |
| 20 | 20 | 613 | 919 | 1225 | 919 | 1455 | 1989 | 1225 | 2526 | 3138 | 3675 | 4288 | 4824 | |
| 22 | 22 | 557 | 835 | 1114 | 835 | 1949 | 1114 | 2506 | 3063 | 3619 | 4176 | 4733 | ||
| 24 | 24 | 510 | 766 | 1147 | 766 | 1405 | 1978 | 1021 | 2489 | 3126 | 3700 | 4210 | 4786 | |
| 30 | 30 | 510 | 817 | 1021 | 613 | 817 | ||||||||
| 32 | 32 | 478 | 766 | 957 | 574 | 1054 | ||||||||
| 34 | 34 | 450 | 721 | 901 | 540 | 992 | ||||||||
| 36 | 36 | 425 | 681 | 851 | 510 | 1021 | ||||||||
| 42 | 42 | 583 | 729 | 438 | 875 | |||||||||
A671 Gr CC 70 Pipes are constructed from carbon steel, with carefully controlled levels of carbon, manganese, silicon, phosphorus, and sulfur. This specific blend guarantees high tensile strength, solid yield strength, and sufficient ductility. You can find these pipes in both seamless and welded varieties, and they can be heat-treated to boost their mechanical properties, maintain consistent wall thickness, and ensure structural integrity.
You’ll often see Carbon Steel A671 Gr CC 70 Pipes in boilers, superheaters, heat exchangers, and various industrial piping systems. They’re well-suited for transporting steam, water, and other fluids under high-pressure and high-temperature conditions. Thanks to their blend of strength, heat resistance, and reliability, A671 Gr CC 70 Pipes ensure safe operation, a long service life, and steady performance in challenging industrial environments.
Chetak Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hyderabad, India.
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