API & ASTM Carbon Steel Plate

As we know line pipe or casing and tubing have two different manufacturing types, seamless and welded. So pipeline steel plate is used to make welded line pipe, including ERW, LSAW, and SSAW welding processes. Furthermore, casing and tubing in API 5CT standard could also be made in welded ERW type, so pipeline steel plate and coils also cover these pipes. (But in most cases, casing and tubing are required in seamless types).

With the developed market needs for oil and gas energy, heavy and large-diameter line pipes are required more and more in the pipeline transmission systems. But seamless pipe could not be manufactured more than 40-inch diameters (generally OD is below 20”). So in this situation, pipeline steel plate is coming up and has been taken as the raw material for making API 5L line pipes. Same with pipes, There are also grades from B, X42, X46, X52, X56, X60, X70, in PSL1 and PSL2 levels of pipeline steel plate.

Through the heat analysis of API 5L pipes, we found out that the steel plate for making oil and gas line pipes belongs to the carbon steel plate.

So what is a carbon steel plate? To be simple, carbon steel plate is the steel that didn't contain any alloy steel elements. A pipeline steel plate is one of the low-carbon steel plates. The content value does not exceed 0.26%. (When referring to a pipeline steel plate for sour services the carbon is less than general pipeline steel).

• Structural plates.
• Hull structural plate.
• Vessel Plate.
• Plate for High-Pressure vessel.
• Boilerplate.
• Shipbuilding Steel Plate.
• Pipeline Steel Plate (API Steel Plate) / Pipeline Steel Coils (API Steel Coil).
• Cold Rolled plates and coils.
• Stainless Steel Plate / Stainless Steel Coil.

Karisma offers pipeline steel plate, as below:

API Steel Plate and Coils:

• API 5L Grade B to Grade 80 (PSL1 & PSL2) steel plate and coils (For manufacturing oil and gas pipes).
• API 5CT J55/K55, N80-1, and N80Q hot rolled steel plate coils.

Also, we supply steel plates for other industries and standards:

Boiler/Vessel (carbon) plates as below:

• ASTM A537 CL1 / CL2 / CL3.
• ASTM A 516 GR60 / GR70.
• ASTM A 515 GR60 / 70.
• ASTM A 204 GR.A / B / C.
• ASTM A572 GR50, ASTM A572 GR60.
• ASTM A573 GR58, ASTM A573 GR65 / GR70.
• ASTM A737 GR58 / GR65 / GR70.
• ASTM A738 GR.A / B / C / D / E.

Construction carbon Steel Plates:

• ASTM A36
• ASTM A283 GR C.