Steel is considered to be carbon steel when no minimum content is specified or required for chromium, cobalt, columbium [niobium], molybdenum, nickel, titanium, tungsten, vanadium or zirconium, or any other element to be added to obtain a desired alloying effect; when the specified minimum for copper does not exceed 0.40 per cent; or when the maximum content specified for any of the following elements does not exceed the percentages noted: manganese 1.65, silicon 0.60, copper 0.60. 

Low-temperature carbon steels have been developed chiefly for use in low-temperature equipment and especially for welded pressure vessels. They are low- to medium-carbon (0.20 to 0.30%), high-manganese (0.70 to 1.60%), silicon (0.15 to 0.60%) steels, which have a fine-grain structure with uniform carbide dispersion. They feature moderate strength with toughness down to — 50°F (—46°C)


For grain refinement and to improve formability and weldability, carbon steels may contain 0.01 to 0.04% columbium. Called columbium steels, they are used for shafts, forgings, gears, machine parts, and dies and gages. Up to 0.15% sulfur, or 0.045 phosphorus, makes them free-machining, but reduces strength.

We strive hard to bring the rich range of carbon steel seamless pipes and low temperature carbon steel seamless pipes that are made of best quality raw material. As per your present & prospective requirements you can purchase any quantity of carbon steel seamless pipes from us. These pipes are unparalleled for their proficiency & resistance. Moreover due to their multipurpose use, these pipes are high in demands not only in India but also in international sphere. Being a leading Steel Seamless Pipes Supplier from India, we have fired out the market with our phenomenal product range. 

With firm commitment to quality, we are providing a comprehensive range of Low Temperature Seamless Pipes. These products are available in variegated lengths, grades and thicknesses in order to meet the expectation of the clients. The offered range are widely appreciated for their features like durability, high performance and long service life. All our products are checked on several parameters to ensure its flawlessness, before the end delivery.

This specification covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. The pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.

A/SA-333 Grades allow for cold temperature service to minus 150°F. Material is always provided in the normalized condition at a minimum and Charpy Impact tested to a specific temperature range to assure compliance with the required service temperature.

Sizes

1/4” Nominal to 24”O.D. 

Wall Thickness – Schedule 10 through XXH

Specification


ASTM A 333 GR. 6
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