IS 4923 is an Indian Standard that specifies the requirements for hot-finished welded steel tubes for structural purposes. This standard defines different grades of carbon steel pipes, including YST 210, YST 240, and YST 310. Let's explore each grade separately.
IS 4923 YST 210 Carbon Steel Pipes:
YST 210 refers to these carbon steel pipes' minimum yield strength of 210 MPa. These pipes are designed for structural applications, providing a reliable and durable solution in various construction projects. The hot-finished welded nature of these tubes ensures that they meet the necessary specifications for strength and integrity.
Table Of Content
IS 4923 YST 240 Carbon Steel Pipes:
In the case of YST 240 carbon steel pipes, the minimum yield strength is elevated to 240 MPa. This increase in strength makes these pipes suitable for applications requiring higher structural integrity. The hot-finished welding process ensures that the pipes maintain strength and toughness, making them reliable in demanding structural scenarios.
IS 4923 YST 310 Carbon Steel Pipes:
YST 310 carbon steel pipes have a minimum yield strength of 310 MPa. These pipes are designed to offer even greater strength and durability, making them suitable for heavy-duty structural applications. The hot-finished welding process ensures that the pipes have a uniform structure, meeting the stringent requirements of structural engineering projects where high-strength materials are essential.
At Tricon Steel & Alloys, we deliver top-tier carbon steel pipes, ensuring quality control and compliance with international standards. Opt for the reliability and longevity of our IS 4923 YST 210 / 240 / 310 Pipe, providing a seamless and efficient flow in diverse industrial applications. Trust us for high-quality pipes that meet your specifications and deliver exceptional performance in corrosive environments.
IS 4923 YST 210 pipes are commonly used in structural frameworks, fencing, and furniture. IS 4923 YST 240 CS pipes find applications in constructing bridges, industrial sheds, and transmission towers due to their higher strength. IS 4923 YST 310 pipes are employed in heavy-duty machinery, pipelines, and offshore structures to withstand extreme conditions and loads.
Dimensions | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
Seamless Pipe & Tube Size | 1/2″ NB – 16″ NB |
Welded Pipe & Tube Size | 1/8″NB TO 30″NB IN |
EFW Pipe & Tube Size | 6″ NB – 24″ NB |
Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Thickness | 0.35 mm – 50 mm |
Specialized in | Large Diameter Pipe Size |
Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS |
Type | Seamless Pipes, ERW Pipes, Welded Pipe, Fabricated Pipes, Electro polished Pipe, Polished Pipe, Hollow Pipes |
Form | Round, Square, Hydraulic, U Shape, Rectangular, Pan Cake Coils, Coiled, Hex, Honed, Etc |
Length | Single Random, Double Random & Required Length. |
End | Plain End, Beveled End, Treaded End |
The Rolling and Welding Stage
To begin our process, we first need to go through the rolling and welding stage. The stainless steel is placed through a checking process and cut at the edges in this stage.
Cleaning and Warming Stage
The rolled titanium pipes thus manufactured are cut to the required lengths depending upon the industrial demand.
Cold-Drawing Stage
Sometimes, the required size isn’t obtained when the steel is brought through the mill directly. When using the cold-drawing process, the desired size is achieved when the pipes and tubing are coated with oxalic and soap solution and dragged over die plugs—the oxalic and soap solution help reduce friction when going through the cold cycle.
The Finishing Process
The final process is the finisher. Once the process of manufacturing stainless steel pipes and tubing is completed, you’ll now have to take them to a jet printer.
IS 4923 material specification & equivalent grades | ||||
IS 4923 yst 355 | IS 4923 yst 355 | Tata Structura 355 | DIN: 2440, 2441, BS: 1387, S: 3589, 1239 | ISO: 65 |
Chemical Composition (%) Max. |
Mechanical Properties |
Impact |
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Energy |
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Specification | Grade | C | Mn | P | S | Si | C.E. | Yield Strength | Tensile Strength | % Elongation | |||||||||||
J (Ft.lb) |
|||||||||||||||||||||
PCM | IIW | Min | Max | Min |
Max |
||||||||||||||||
e (min) |
(min.) |
||||||||||||||||||||
PSI | MPa | PSI | MPa | PSI |
MPa |
PSI |
MPa |
||||||||||||||
IS 4923 | YST-210 |
– |
– |
0.050 |
0.050 |
– |
– |
– |
– |
210 |
– |
– |
– |
330 |
– |
– |
upto 25.4 | above 25.4 |
– |
||
YST-240 |
– |
– |
0.050 |
0.050 |
– |
– |
– |
– |
240 |
– |
– |
– |
410 |
– |
– |
12 |
20 | ||||
YST-310 |
– |
– |
0.050 |
0.050 |
– |
– |
– |
– |
310 |
– |
– |
– |
450 |
– |
– |
10 |
15 | ||||
8 |
10 | ||||||||||||||||||||
GL= 5.65 | Area |
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