Carbon Steel Pipe

Carbon Steel Pipes

The term carbon steel pipe can be used to describe a wide range of metal tubular goods whose main alloying element is carbon in a range of 0.12%-2%. Apart from carbon elements like chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium & zirconium can be added to attain respective alloying effect.

For an example A333 grade 6 pipe has high tensile strength and impact properties used at low temperatures application as compared to A106 Grade B pipe with low tensile strength and used at room temperatures or higher temperatures. This is achieved by addition of manganese above the 0.9%, which is limited to 0.65% in A106 pipe.

In general, a pipe is referred as a carbon steel pipe when the maximum specified content of Manganese – 1.65%, Silicon – 0.6% & copper 0.6 % does not exceed the limit prescribed.

Carbon steel pipe are further divided into four categories:

  • Low carbon steel pipe – Carbon content 0.55-1.05%
  • Medium carbon steel pipe- Carbon content 0.25-10.6%
  • High carbon steel pipe- Carbon content 0.9-2.5%
  • Super High carbon steel pipe- Carbon content 2.5-3.0%

As the Carbon content increases, high carbon steel pipe can become harder and stronger by quenching and tempering with lower ductility.High carbon steel pipe if not heat treated, may result into low weld ability & low melting point.Large diameter pipe used for water transportation and general transit are made of carbon steel.

Depending on the manufacturing method these pipe are divided in 3 different types.

  1. – pipe formed by passing hot steel through a die to get the shape of a pipe. Carbon are manufactured up to a range of 24-(600NB). Though this is the most expensive method due to the machinery and time involved in manufacturing, this is the most reliable method ever invented.
  2. Welded pipe– pipe formed by wrapping a steel sheet in a circular motion, which is then welded at the seam, are known as welded pipe. These pipe are highly in demand due to cheap pricing. Depending on type of requirement these pipe are welded in the following forms
    a. ERW: Electro resistance welded pipe
    b. EFW: Electro Fusion Welded pipe
    c. SAW: Submerged Arc Welded pipe
  3. Casting Mould pipe – The ancient and the oldest method of casting hot liquids.These pipe have a very less demand

Heat Treatment
Carbon Steel pipe can be heat treated in various ways as listed below.

  • Normalising
  • Annealing
  • Quenching
  • Quenching and Tempering
  • Austempering
  • Spherodizing

Sunny Steel is a stockiest and supplier of Carbon steel pipe from Mumbai, India. With a size range of ½–24- in seamless pipe and ½–72- in welded pipe, we provide length variations from 4-7 meters as single random length and 7-13 meters as double random lengths. With black varnished finish and plain or beveled ends we provide cut to length pipe are per client-s requirements.Although many of the same manufacturing principles apply to both carbon steel pipe and various similar alloy tubular goods, the focus of this narrative will be on the manufacturing process of mild carbon steel pipe goods commonly used for oil and gas as well as water transmission, structural applications, general purpose casing, piling, and components.Carbon steel pipe produced in India are widely used worldwide including crucial markets like south Africa, Australia, Indonesia, Iran, Iraq, Nigeria and Canada.


DIN 17172 Grade StE 210-7
DIN 17172 Grade StE 240-7
DIN 17172 Grade StE 290-7
DIN 17172 Grade StE 320-7
DIN 17172 Grade StE 360-7


EN 10210-1 Grade S235JRH
EN 10210-1 Grade S275JOH
EN 10210-1 Grade S275J2H
EN 10210-1 Grade S355JOH
EN 10210-1 Grade S355J2H
EN 10210-1 Grade S275NH
EN 10210-1 Grade S275NLH
EN 10210-1 Grade S355NH
EN 10210-1 Grade S355NLH
EN 10210-1 Grade S420NH
EN 10210-1 Grade S420NLH
EN 10210-1 Grade S460NH
EN 10210-1 Grade S460NLH
EN 10083-2 Grade C22R
EN 10083-2 Grade C25E
EN 10083-2 Grade C25R
EN 10083-2 Grade C30E
EN 10083-2 Grade C30R
EN 10083-2 Grade C35R
EN 10083-2 Grade C40E
EN 10083-2 Grade C40R
EN 10083-2 Grade C45R
EN 10083-2 Grade C50E
EN 10083-2 Grade C50R
EN 10083-2 Grade C55E
EN 10083-2 Grade C55R
EN 10083-2 Grade 28Mn6
EN 10083-2 Grade C22

EN 10083-2 Grade C25
EN 10083-2 Grade C30
EN 10083-2 Grade C35
EN 10083-2 Grade C40
EN 10083-2 Grade C45
EN 10083-2 Grade C50
EN 10083-2 Grade C55
EN 10084 Grade C10R
EN 10084 Grade C16E
EN 10084 Grade C16R
EN 10084 6MnCr5
EN 10253-1 Grade S235
EN 10025 Grade S355J2G3


ASME SA 53 Grade A
ASME SA 53 Grade B
ASME SA 519 Grade 440
ASME SA 519 Grade 243
ASME SA 519 Grade 620-460
ASME SA 106 Grade A
ASME SA 106 Grade B
ASME SA 106 Grade C
ASME SA 333 Grade 1
ASME SA 333 Grade 6
ASME SA 795 Grade A
ASME SA 795 Grade B
ASME SA 234 Grade WPB
ASME SA 234 Grade WPC
ASME SA 420 Grade WPL 6


ASTM A53 Grade A
ASTM A53 Grade B
Grade 440
ASTM A519 Grade 243
ASTM A519 Grade 620-460
Grade A
ASTM A106 Grade B
ASTM A106 Grade C
ASTM A333 Grade 1
ASTM A795 Grade A
ASTM A795 Grade B
ASTM A234 Grade WPB
ASTM A234 Grade WPC
Grade WPL6


BS 3601 Grade 360
BS 3601 Grade 430
BS 1965-1 Grade 360
BS 3602-1 Grade CFS 360
BS 3602-1 Grade CFS 430


JIS G3454 Grade STPG 410
JIS G3455 Grade STS 370
JIS G3455 Grade STS 410
JIS G3455 Grade STS 480
JIS G3456 Grade STPT 370
JIS G3456 Grade STPT 410
JIS G3456 Grade STPT 480


Grade B PSL1
API 5L Grade X42 PSL1
API 5L Grade X46 PSL1
API 5L Grade X52 PSL1
API 5L Grade X56 PSL1
API 5L Grade X60 PSL1
API 5L Grade X65 PSL1
API 5L Grade X70 PSL1
API 5L Grade B PSL2
API 5L Grade X42 PSL2
API 5L Grade X46 PSL2
API 5L Grade X52 PSL2
API 5L Grade X56 PSL2
API 5L Grade X60 PSL2
API 5L Grade X65 PSL2
API 5L Grade X70 PSL2
API 5L Grade L210
API 5L Grade L245
API 5L Grade L290
API 5L Grade L320
API 5L Grade L360
API 5L Grade L390
API 5L Grade L415
API 5L Grade L450
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