Luke Steel stands out as a top-notch manufacturer and supplier of Carbon Steel A671 Gr CC 70 Pipes, proudly rooted in Houston, USA. With a focus on high-quality steel products, Luke Steel provides reliable piping solutions designed for high-pressure and high-temperature applications, especially in the power, oil, and gas sectors. Our A671 Gr CC 70 pipes are crafted using electric-fusion welding techniques with fully killed carbon steel plates, guaranteeing outstanding structural integrity and performance. Committed to quality, precision, and customer satisfaction, Luke Steel caters to both domestic and international clients, ensuring timely delivery and products that meet stringent industrial standards.
The Carbon Steel A671 Gr CC 70 Pipes are constructed from fully killed carbon steel plates, featuring controlled carbon content (around 0.20% max), manganese (0.90%–1.60%), along with trace elements of silicon, phosphorus, and sulfur. These pipes are celebrated for their impressive strength, ductility, and excellent weldability. Their mechanical properties include a minimum yield strength of 290 MPa and tensile strength ranging from 485–620 MPa. Designed to withstand moderate to high temperatures and pressures, A671 Gr CC 70 pipes offer remarkable toughness, uniformity, and resistance to stress and thermal fatigue, making them perfect for demanding service conditions.
Specification |
ASTM A671 /ASME SA671 |
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 |
Type |
EFW (ELECTRIC FUSION WELDED PIPES) |
Material | A515 Gr 70 |
Outer Diameter Size |
16″ NB To 100″ NB (Nominal Bore Size) |
Wall Thickness |
Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness |
Packaging |
Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
Class Designation |
CLASS 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42 |
Length |
5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
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. |
Dimension |
All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API. |
Value Added Services |
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Galavanizing / Heat Treatment |
Coating |
Epoxy Coating / Colour Paint Coating / 3LPE Coating. |
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 |
Luke Steel is a top manufacturer and supplier of high-quality Carbon Steel A671 Gr CC 70 Pipe products in Houstan, USA. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
You’ll find Carbon Steel A671 Gr CC 70 Pipes widely utilized in power plants, refineries, and petrochemical facilities for transporting fluids under high pressure and temperature. These pipes are particularly suited for boiler systems, heat exchangers, and pressure vessels due to their strength and thermal stability. They also play a crucial role in process piping systems where reliability and long-term performance are essential. Thanks to their electric-fusion-welded construction and rigorous quality standards, A671 Gr CC 70 pipes are ideal for both above-ground and buried applications in environments that demand superior mechanical and structural properties.
Luke 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 Houstan, USA.
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