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Seamless & ERW Pipes & Tubes

Unless the carbon steel takes on the shape of a hollow tube, seamless carbon steel pipes are made by pushing, pulling, and heating round solid quarters over a structure. Additionally, the method of making the tubes is extremely difficult and involves heating massive steel billets to a high temperature, which forms shells. Shells are rolled to create tubes. Metal is rolled and then welded lengthwise along the length of the metal in the Electric Resistance Welding (ERW) process. As a result, seamless pipes have no joints over their whole length, but ERW pipes do have joints.

 

Carbon Steel Pipes Supplier, A53 Grade B Seamless Pipes, ASTM A106 Seamless Pipes, Carbon Steel Seamless Pipes & Tubes, ASTM A333 Gr.6 Low Temperature Steel Pipe & Tubes, Carbon Steel ERW Pipes & Tubes, ASTM A672 Grade C60/C65/C70 EFW Pipes & Tubes Manufacturer in India.

The high dia segment is made using Plug Mill technology, whereas the 7-inch segment is made using Pipes and Tubes CPE technology. All across the world, these pipes and tubes are frequently utilised. The two most prevalent forms of pipes and tubes are welded and seamless. Welded pipes are another name for ERW pipes. The widely used specification for ERW pipes is A53. The seamless pipe production process doesn’t require welding.The specification for seamless carbon steel pipe is A106B.

 

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The final element resistance is manufactured using seamless and ERW tubes. Drawing is the name of a performance when a tube is pulled through a die. The production procedure for tubers and pipes is distinct from one another. Grade determination is aided by the variable amount of carbon in carbon steel, which is assembled from carbon and iron. Due to its high melting point, it is an excellent heat distributor. Carbon steel seamless and ERW pipes and tubes are used in chemical processing, pipeline construction, oil and gas transportation, steam transportation, and other applications.

 

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


CHEMICAL COMPOSITION OF CARBON STEEL PIPES AND 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 - 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
B
ASTM A-106 A - 0.25 0.30 0.27 0.29 0.93 1.06 0.035 0.035 0.035 0.035 0.10 0.10 - - 0.40 0.40 - 0.15 0.15 0.40 0.40 0.40 - 0.08 0.08
B 0.35 0.29 1.06 0.035 0.035 0.1 0.4 0.15 0.4 0.08
C
ASTM A333 & A 334 1 - 0.30 0.30 0.40 0.29 1.06 1.06 0.025 0.025 0.025 0.025 -0.1 - - - - - - - - - - - - - - - -
6 -
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 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
P235 TR1
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 - 0.17 0.21 0.40 0.40 - - 0.025 0.025 0.025 0.025 - 0.35 0.35 - - - - - - -
St - 45 - 0.22 - 1.6 0.025 0.025 0.55
St - 52 -
ASTM A-519 SAE 1010 0.08 0.15 0.13 0.20 0.28 0.30 0.60 0.60 0.90 0.040 0.040 0.050 0.050 - - - - - - - - - - - - - - - - - -
SAE 1018 0.22 0.38 0.6 0.9 0.04 0.05 - - - - - - - - -
SAE 1026 0.32 0.44 0.6 0.9 0.04 0.05 - - - - - - - - -
SAE 1035 SAE 1040 0.37 0.21 0.6 0.9 0.04 0.05 - - - - - - - - -
SAE 1518 0.15 0.44 1.1 1.4 0.04 0.05 - - - - - - - - -
SAE 1541 0.36 0.33 1.35 1.65 0.04 0.05 - - - - - - - - -
SAE 4130 0.28 0.4 0.6 0.04 0.04 0.15 0.35 0.8 1.1 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 - 0.27 0.35 -0.29 0.93 1.06 0.035 0.035 0.035 0.035 0.10 0.10 - - - - - - - - - - - - - - - -
C -
ASTM A 213 T-11 0.05 0.05 0.15 0.15 0.30 0.30 0.60 0.61 0.025 0.025 0.025 0.025 0.50 - 1.00 0.50 1.00 0.80 1.50 1.25 0.44 0.44 0.65 0.65 - - -
T-12 T-22 0.05 0.15 0.3 0.6 0.025 0.025 - 0.5 1.9 2.6 0.87 1.13
ASTM P-11 0.05 0.05 0.15 0.15 0.30 0.30 0.60 0.61 0.025 0.025 0.025 0.025 0.50 - 1.00 0.50 1.00 0.80 1.50 1.25 0.44 0.44 0.65 0.65 - - -
A335 P-12 P-22 0.05 0.15 0.3 0.6 0.025 0.025 - 0.5 1.9 2.6 0.87 1.13
BS 3059 Pt I 320 - 0.16 0.3 0.7 0.04 0.04 0.1 0.35 - - - - - - -
BS 3059 Pt II 622-490 0.08 0.15 0.4 0.7 0.03 0.03 - 0.5 2 2.5 0.9 1.2 - - -
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 - - - - - 0.05 0.05 - - - - - - - - -
IS:1161 YST-210 YST-240 - 0.12 0.16 - - 0.60 1.20 0.040 0.040 0.040 0.040 - - - - - - - - -
YST-310 0.25 - 1.3 0.04 0.04

MECHANICAL PROPERTIES OF CARBON STEEL PIPES AND TUBES

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

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