Cs RHS SHS
STANDARD: ASTM A500, JIS G3466, JIS G3101, BS1387, EN10210, EN10296, EN10025, EN10217, EN10297, EN10219, GB/T6725, GB/T3094, GB/T13793, GB/T3092, GB3640, GOST8639, GOST 8645, GOST8644
Product Introduction
Carbon steel rectangular/square hollow steel pipe is a hollow steel pipe with a rectangular or a square cross-section made of carbon steel.
Product Features
High Strength
Carbon steel rectangular/square hollow steel pipe is made of low alloy high strength steel. Its tensile strength can usually reach 400-550MPa, and its yield strength can reach 250-350MPa, which enables it to withstand greater pressure and weight and is suitable for bridge construction, oil and gas pipelines, automobile frames, etc.
Weldability
The carbon equivalent (CE) of carbon steel rectangular/square hollow steel pipe is below 0.43, which is lower than 0.50 of ordinary steel, which reduces the possibility of defects such as cracks and pores during welding. Therefore, the tensile strength of the welded joint of this product can reach more than 390MPa, which is almost equivalent to the original strength of the pipe.
Thermal Conductivity
The thermal conductivity of carbon steel rectangular/square hollow steel pipe is about 50 W/(m·K). This means that it can quickly transfer heat from high temperature area to low temperature area, which can improve the heat exchange efficiency by 15-20%.
Product specifications
RHS and SHS, can be supplied in welded or seamless.
OD: 20x20mm to 600x600mm
WT: 0.8mm to 50mm
MATERIAL: CS, LTCS
Q195, Q235, Q345, SS330, SS400, SPHC, S235JR, S235JO, S235J2, S355JOH, S355J2H, S355JRH, etc.
STANDARD: ASTM A500, JIS G3466, JIS G3101, BS1387, EN10210, EN10296, EN10025, EN10217, EN10297, EN10219, GB/T6725, GB/T3094, GB/T13793, GB/T3092, GB3640, GOST8639, GOST 8645, GOST8644
HS CODE: 7306
FAQ
What international manufacturing standards do your rectangular/square pipes meet?
Our products are strictly produced and inspected in accordance with internationally recognized manufacturing standards, including but not limited to ASTM A500 in the United States, EN 10219 / EN 10210 in Europe, JIS G3466 in Japan, etc.
What is the minimum order quantity (MOQ) for ordering these steel pipes?
The minimum order quantity is usually determined by the specific specifications, materials and current production arrangements you need. Generally, there will be certain tonnage requirements for regular-sized products. It is recommended that you contact our customer service directly to obtain the most accurate minimum order quantity information.
How long does it usually take to deliver the goods from the time we place the order to the time we receive the goods?
The delivery time mainly depends on the quantity of the order, the complexity of the specifications, the scheduling of the production line and the international shipping cycle. Generally, after confirming the order and receiving the advance payment or letter of credit, the production and stocking time takes about 30 to 60 days, and the corresponding sea transportation time needs to be added afterwards.
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