Filiz Steel stands out as a premier manufacturer and reliable supplier located in Istanbul, Turkey, with a focus on high-quality ST 35 and ST 35.8 tubing. The company prides itself on its dedication to precision engineering, top-notch materials, and adherence to international quality standards. Filiz Steel caters to a wide array of industries, including energy, automotive, construction, and machinery. They provide both seamless and welded tubing solutions customized to meet client needs, ensuring dependable performance even in the most challenging applications. With a strong emphasis on innovation, customer satisfaction, and global distribution, Filiz Steel has earned a solid reputation as a trustworthy partner in the steel tubing market throughout Europe, the Middle East, and beyond.
ST 35 and ST 35.8 tubing are low-carbon steel grades that are frequently utilized for seamless pressure pipes. These materials typically contain up to 0.17% carbon, 0.35–0.70% manganese, along with trace amounts of phosphorus and sulfur. They are known for their excellent weldability and machinability. In terms of mechanical properties, they boast a tensile strength range of 480–640 MPa and a yield strength of around 255 MPa. With a minimum elongation of 25%, the tubing showcases impressive ductility and toughness. ST 35.8 is often normalized to boost its mechanical strength, making it suitable for high-temperature and pressure applications.
|
Length |
5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
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Type |
EFW (ELECTRIC FUSION WELDED PIPES) |
|
Packaging |
Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
|
Outer Diameter Size |
16″ NB To 100″ NB (Nominal Bore Size) |
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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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Ends |
Plain Ends / Beveled Ends / Coupling |
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Delivery Conditions |
As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered – BR / N / Q /T |
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Coating |
Epoxy Coating / Colour Paint Coating / 3LPE Coating. |
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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. |
| Standards | ASTM A672 / A672 C55 LSAW STEEL PIPES |
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Specification |
ASTM A672 /ASME SA672 |
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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 |
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Wall Thickness |
Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness |
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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 |
| Specification | Steel grade | Chemical composition | Remarks | |||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ti | |||
| Pipes for pressure service ASTM A672 grade c70 | -/A45 | -/0.17 | – | 0.98 | 0.035 | 0.035 | – | A672/ 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 | |||||||
| ASTM A672 grade c70 Steel Pipe Properties | 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 A672 grade c70 | -/A45 | -/165 | -/310~450 | – | -/30 | -/310~450 | A672/ 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/C70 | 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.
Filiz Steel is a top manufacturer and supplier of high-quality Carbon Steel A672 Gr CC 70 Pipe products in Istanbul, Turkey. 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.
| 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 | |||||||||
ST 35 and ST 35.8 tubing are low-carbon steel grades that are frequently utilized for seamless pressure pipes. These materials typically contain up to 0.17% carbon, 0.35–0.70% manganese, along with trace amounts of phosphorus and sulfur. They are known for their excellent weldability and machinability. In terms of mechanical properties, they boast a tensile strength range of 480–640 MPa and a yield strength of around 255 MPa. With a minimum elongation of 25%, the tubing showcases impressive ductility and toughness. ST 35.8 is often normalized to boost its mechanical strength, making it suitable for high-temperature and pressure applications.
Filiz 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 Istanbul, Turkey.
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