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Carbon Steel Pipes & Tubes

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Pipes & Tubes

Stainless Steel Duplex & Super Duplex Steel Inconel Monel Nickel Alloy Hastelloy Carbon Steel Alloy Steel Titanium Copper Nickel Alloy 20 Aluminium

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Carbon Steel Pipes & Tubes

ARK Stainless Inc. is a trusted supplier of high-quality Carbon Steel Pipes & Tubes, engineered to withstand rigorous industrial conditions involving high pressure and stress. Known for their excellent strength, durability, and cost efficiency, these pipes and tubes are widely used across various heavy-duty commercial and industrial applications.

Our Carbon Steel Pipes & Tubes are available in multiple grades and types, including Seamless & ERW Pipes & Tubes, SAW/LSAW/HSAW Pipes & Tubes, and API 5L Line Pipes & Tubes. These products can be customized in terms of size, thickness, and dimensions to meet specific client requirements. Designed for optimal performance in moderate to high-temperature environments, they offer excellent resistance to corrosion, oxidation, and mechanical wear.

Manufactured according to stringent international standards such as ASTM, ASME, and API, our Carbon Steel Pipes & Tubes comply with various dimensional and quality norms. They are extensively used in industries including oil and gas, petrochemicals, construction, power generation, and infrastructure development. Additional surface treatments like galvanizing, epoxy coating, and sandblasting are also available to enhance durability and corrosion resistance.

With features such as seamless construction, high tensile strength, excellent weldability, and resistance to rust and oxidation, our Carbon Steel Pipes & Tubes deliver superior performance and longevity with minimal maintenance. Their reliable mechanical and chemical properties make them the preferred choice for demanding industrial environments and critical applications.

Table of Contents

Chemical Composition of Carbon Steel Pipes & Tubes

specification Grade Chemical Composition [%]
C Mn P S Si Cr Mo Cu Ni V
Min Max. Min Max. Max. Max. Min. Max Min. Max Min. Max Max Max Max
HYDROCARBON PROCESS INDUSTRY/STRUCTURAL/PRESSURE VESSEL TUBES
ASTM A-53
 A
B		 - 0.25 0.30 - - 0.95 1.20 0.050 0.050 0.045 0.045 - - - - - - 0.40 0.40 - - 0.15 0.15 0.40 for S 0.40 for S 0.40 0.40 0.08 0.08
ASTM A-106
 A
B
C
 - 0.25 0.30
0.35
 0.27 0.29
0.29
 0.93 1.06
1.06
 0.035 0.035
0.035
 0.035 0.035
0.035
 0.10 0.10
0.10
 - - 0.40 0.40
0.40
 - 0.15 0.15
0.15
 0.40 0.40
0.40
 0.40 -

 0.08 0.08
0.08
ASTM A333 & A 334
 1
6		 -
-		 0.30 0.30
 0.40 0.29
 1.06 1.06
 0.025 0.025
 0.025 0.025
 - 0.10
 - -
 - -
 - -
 - -
 - -
 - -
 - -
 - -
SEAMLESS COLD DRAWN PRECISION STEEL TUBES FOR MECHANICAL APPLICATIONS/HYDRAULIC/PNEUMATIC POWER SYSTEMS
EN 10305-1/ EN10305-4
 E 235 E 355
   0.17 0.22
   1.2 1.6
 0.025 0.025
 0.025 0.025
    
 0.35 0.55
             0.02 0.02
EN 10216-1 P195 TR1
P235 TR1		   0.13 0.16
   0.7 1.2
 0.025 0.025
 0.02 0.02
   0.35 0.35
   0.3 0.3
   0.08 0.08
 0.3 0.3
 0.3 0.3
  
EN 10216-2 P235 GH   0.16   1.2 0.025 0.02   0.35   0.3   0.08 0.3 0.3 0.02
DIN 2391 St - 45
St - 45
St - 52		 -
-
-		 0.17 0.21
0.22
 0.40 0.40
-
 - -
1.60
 0.025 0.025
0.025
 0.025 0.025
0.025
 - 0.35 0.35
0.55
 - - - - - - -
ASTM A-519
 SAE 1010
SAE 1018
SAE 1026
SAE 1035 SAE 1040
SAE 1518
SAE 1541
SAE 4130
 0.08 0.15
0.22
0.32
0.37
0.15
0.36
0.28
 0.13 0.20 0.28
0.38
0.44
0.21
0.44
0.33
 0.30 0.60
0.60
0.60
0.60
1.10
1.35
0.40
 0.60 0.90
0.90
0.90
0.90
1.40
1.65
0.60
 0.040 0.040
0.040
0.040
0.040
0.040
0.040
0.040
 0.050 0.050
0.050
0.050
0.050
0.050
0.050
0.040
 - -
-
-
-
-
-
0.15
 - -
-
-
-
-
-
0.35
 - -
-
-
-
-
-
0.80
 - -
-
-
-
-
-
1.10
 - -
-
-
-
-
-
0.15
 - -
-
-
-
-
-
0.25		 - -
-
-
-
-
-
-
 - -
-
-
-
-
-
-
 - -
-
-
-
-
-
-
BOILER/HEAT EXCHANGER/SUPERHEATER & CONDENSER TUBES
ASTM A179 - 0.06 0.18 0.27 0.63 0.035 0.035 - - - - - - - - -
ASTM A192   0.06 0.18 0.27 0.63 0.035 0.035 - 0.25 - - - - - - -
ASTM A 210
 A-1
C		 -
-		 0.27 0.35
 - 0.29
 0.93 1.06
 0.035 0.035
 0.035 0.035
 0.10 0.10
 - -
 - -
 - -
 - -
 - -
 - -
 - -
 - -
ASTM A 213
 T-11
T-12 T-22
 0.05 0.05
0.05
 0.15 0.15
0.15
 0.30 0.30
0.30
 0.60 0.61
0.60
 0.025 0.025
0.025
 0.025 0.025
0.025
 0.50 -
-
 1.00 0.50
0.50
 1.00 0.80
1.90
 1.50 1.25
2.60
 0.44 0.44
0.87
 0.65 0.65
1.13
 - - -
ASTM
A335		 P-11
P-12 P-22
 0.05 0.05
0.05
 0.15 0.15
0.15
 0.30 0.30
0.30
 0.60 0.61
0.60
 0.025 0.025
0.025
 0.025 0.025
0.025
 0.50 -
-
 1.00 0.50
0.50
 1.00 0.80
1.90
 1.50 1.25
2.60
 0.44 0.44
0.87
 0.65 0.65
1.13
 - - -
BS 3059 Pt I 320 - 0.16 0.30 0.70 0.040 0.040 0.10 0.35 - - - - - - -
BS 3059 Pt II 622-490 0.08 0.15 0.40 0.70 0.030 0.030 - 0.50 2.00 2.50 0.90 1.20 - - -
DIN 1629 St- 37.0 St - 52
 - -
 0.17 0.22
 - -
 - -
 0.040 0.040
 0.040 0.035
 - -
 - -
 - -
 - -
 - -
 - -
 - -
 - -
 - -
DIN 17175 St - 35.8 St - 45.8
 - -
 0.17 0.21
 0.40 0.40
 0.80 1.20
 0.040 0.040
 0.040 0.040
 0.10 0.10
 0.35 0.35
 - -
 - -
 - -
 - -
 - -
 - -
 - -
RAILWAYS
IS:1239 Pt I - - - - - 0.050 0.050 - - - - - - - - -
IS:1161 YST-210 YST-240
YST-310
 - 0.12 0.16
0.25
 - -
-
 0.60 1.20
1.30
 0.040 0.040
0.040
 0.040 0.040
0.040
 - - - - - - - - -

API 5L PSL1 Line Pipe Chemical Composition

API 5L PIPE GRADE PSL1 CHECMICAL AND MECHANICAL PROPERTIES
GRADE
 Chemical Composition Mechanical Property
C (Max) Mn (Max) P (Max) S (Max) TENSILE ( Min ) YIELD ( Min )
Psi X 1000 Mpa Psi X 1000 Mpa
A25 CL     I 0.21 0.60 0.030 0.030 45 310 25 172
CL   II 0.21 0.60 0.030 0.030
A 0.22 0.90 0.030 0.030 48 335 30 210
B 0.28 1.20 0.030 0.030 60 415 35 245
X42 0.28 1.30 0.030 0.030 60 415 42 290
X46 0.28 1.40 0.030 0.030 63 435 46 320
X52 0.28 1.40 0.030 0.030 66 460 52 360
X56 0.28 1.40 0.030 0.030 71 490 56 390
X60 0.28 1.40 0.030 0.030 75 520 60 415
X65 0.28 1.45 0.030 0.030 77 535 65 450
X70 0.28 1.65 0.030 0.030 82 570 70 485

Mechanical Properties of Carbon Steel Forged Fittings

Mechnical Properties
SPECIFIC REQUIREMENT
Specification
Tensile Strength
Yield Strength
Elongation
Mpa
Mpa
50mm MIN Longitudinal
ASTM A 53/ASTM A 53/B
ASTM A 106/A
ASTM A 106/B
ASTM A 106/C
331MIN
413MIN
330MIN
415MIN
485MIN
207 MIN
240MIN
205MIN
240MIN
275MIN
36
29.5
35/28
30/22
30/22
Cr Mo Cu Ni Va
0.40 0.15 0.40 0.40 0.08
five elements not to exceed 1%
ASTM A 333/1ASTM A 333/6 ASTM A 334/1
ASTM A 334/6
380MIN
415MIN
380MIN
415MIN
205MIN
240MIN
205MIN
240MIN
25/20
30/22
35/28
30/22
Impact AS-50F
FOR 40X10J/18/14
-50F 40X10J/18/14
90 HRB MAX

API 5L PSL2 Line Pipe Mechanical Properties

API 5L PIPE GRADE PSL2 CHECMICAL AND MECHANICAL PROPERTIES
GRADE Chemical Composition Mechanical Property
C  
(Max)		 Mn  
(Max)		 P  
(Max)		 S  
(Max)		 Tensile Yield C. E.           IMPACT ENERGY
Psi x 1000 Mpa Psi x 1000 Mpa PCM IIW J FT/LB
B 0.22 1.20 0.025 0.015 60 - 110 414 - 758 35 - 65 241 - 448 0.25 0.43 T/L 27/41 T/L 20/30
X42 0.22 1.30 0.025 0.015 60 - 110 414 - 758 42 - 72 290 - 496 0.25 0.43 T/L 27/41 T/L 20/30
X46 0.22 1.40 0.025 0.015 63 - 110 434 - 758 46 - 76 317 - 524 0.25 0.43 T/L 27/41 T/L 20/30
X52 0.22 1.40 0.025 0.015 66 - 110 455 - 758 52 - 77 359 - 531 0.25 0.43 T/L 27/41 T/L 20/30
X56 0.22 1.40 0.025 0.015 71 - 110 490 - 758 56 - 79 386 - 544 0.25 0.43 T/L 27/41 T/L 20/30
X60 0.22 1.40 0.025 0.015 75 - 110 517 - 758 60 - 82 414 - 565 0.25 0.43 T/L 27/41 T/L 20/30
X65 0.22 1.45 0.025 0.015 77 - 110 531 - 758 65 - 82 448 - 565 0.25 0.43 T/L 27/41 T/L 20/30
X70 0.22 1.65 0.025 0.015 82 - 110 565 - 758 70 - 82 483 - 565 0.25 0.43 T/L 27/41 T/L 20/30
X80 0.22 1.90 0.025 0.015 90 - 120 621 - 827 80 - 102 552 - 705 0.25 0.43 T/L 27/41 T/L 20/30

Carbon Steel Pipes & Tubes

Carbon Steel Pipes & Tubes are extensively used across a wide spectrum of industries due to their exceptional strength, durability, and resistance to wear and tear. Particularly in the oil and gas industry, these pipes serve in critical applications such as pipeline transportation, subsea piping systems, refinery units, firewater systems, and offshore platforms. Their versatility also makes them a preferred choice in the fabrication of pressure vessels, boiler components, and heat exchangers.
Beyond oil and gas, Carbon Steel Pipes & Tubes are vital in sectors like desalination plants, power generation, construction, mining, metallurgy, marine operations, and pulp and paper production. Their ability to withstand aggressive chemicals, including chlorides and sulfur-based compounds, makes them highly suitable for use in chemical processing and pollution control equipment.
These pipes and tubes are known for their excellent performance under high-pressure and high-temperature conditions. They provide a reliable and cost-effective solution for long-term applications where mechanical stress and corrosion are major concerns.
Prior to dispatch, every shipment is thoroughly inspected and documented. Each consignment is labeled with detailed information including company name, batch numbers, product specifications, and inspection records to ensure precise and organized delivery. This rigorous process guarantees that clients receive high-quality, traceable products with complete transparency.


Specification of Carbon Steel Seamless / Welded Pipes & Tubes
  • Specification: ASTM A106 GR A/B, ASTM A105, ASTM A53 GR A/B, API 5L / DIN1626, DIN1629, DIN17175, DIN 2448, JIS G3452, JIS G3454, JIS G3455, JIS G3456, JIS G3457, JIS G3
  • Size: 1/2” NB to 36” NB
  • Wall Thickness: 0.5mm to 85mm
  • Type: Seamless
  • Form: Round, Square, Rectangular, Oval, Hydraulic Etc
  • Length: Single Random, Double Random & Cut Length
  • Schedules: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
  • Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports, India Boiler Regulations (IBR) Test Certificate
  • Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
  • End: Plain End, Beveled End, Treaded
  • Surface: Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE

Specification of Carbon Steel SAW/LSAW/HSAW Pipes & Tubes
  • Specification: ASTM A671/672 GR.B/CB/CC 60/65/70 CL 12/22/32, IS 3589 GR.450
  • Size: 1/2” NB to 36” NB
  • Wall Thickness: 0.5mm to 85mm
  • Type: Seamless
  • Form: Round, Square, Rectangular, Oval, Hydraulic Etc
  • Length: Single Random, Double Random & Cut Length
  • Schedules: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
  • Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports, India Boiler Regulations (IBR) Test Certificate
  • Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
  • End: Plain End, Beveled End, Treaded
  • Surface: Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE

Specification of API 5L Line Pipes & Tubes
  • API 5L Pipe Specification: API 5L / ISO 3183 Hot Rolled
  • API 5L Pipe Dimension: ASTM, ASME, API
  • API 5L Pipe Grades: API 5L GRADE B PSL1, PSL2 / API 5L X42 PSL1, PSL2 / API 5L X46 PSL1, PSL2 / API 5L X52 PSL1, PSL2 / API 5L X56 PSL1, PSL2 / API 5L X60 PSL1, PSL2 / API 5L X65 PSL1, PSL2 / API 5L X70 PSL1, PSL2 / API 5L X80 PSL1, PSL2 / ISO 3183 L245 PSL1, PSL2 / ISO 3183 L290 PSL1, PSL2 / ISO 3183 L320 PSL1, PSL2 / ISO 3183 L360 PSL1, PSL2 / ISO 3183 L390 PSL1, PSL2 / ISO 3183 L415 PSL1, PSL2 / ISO 3183 L450 PSL1, PSL2 / ISO 3183 L485 PSL1, PSL2
  • API 5L Pipe Outer Diameter Size: 3/8" NB To 30" NB (Nominal Bore Size)
  • API 5L Pipe Wall Thickness: Schedule 20 To Schedule XXS (Heavier On Request), Up to 250 mm Thickness
  • API 5L Pipe Length: 5 To 7 Meters, 9 To 13 Meters, Single Random Length, Double Random Length And Customize Size
  • API 5L Pipe Schedules: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
  • API 5L Pipe Coating: Epoxy Coating, Colour Paint Coating, 3LPE Coating
  • Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
  • API 5L Pipe End: Plain End, Beveled End, Treaded, Coupling
  • Surface: Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE