-
High Quality for 16mn Finish Rolled Steel Pipe - Quality assurance of large alloy square tube factory – Weichuan
Compared with solid steel such as round steel, steel pipe is generally light in weight when its bending and torsional strength is the same. It is an economic section steel. It is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffold used in construction. Manufacturing ring parts with steel pipes can improve material utilization, simplify manufacturing processes, and save materials and pr... -
Professional Design A335 Alloy Steel Pipe - T91 high pressure steel pipe quality assurance – Weichuan
T91 steel is a new type of martensitic heat-resistant steel developed by American National elephant ridge laboratory and Metallurgical Materials Laboratory of American combustion engineering company. On the basis of 9Cr1MoV steel, it reduces the carbon content, strictly limits the content of sulfur and phosphorus, and adds a small amount of vanadium and niobium for alloying. The steel grade of T91 seamless steel pipe corresponding to T91 steel is x10crmovnnb91 in Germany, hcm95 in Jap... -
China Supplier Q345b Cold Drawn Steel Pipe - Warranty sales of 30CrMo alloy steel pipe manufacturer – Weichuan
30CrMo alloy steel pipe has carbon content of 0.26 ~ 0.34, silicon content of 0.17 ~ 0.37, manganese content of 0.40 ~ 0.70, molybdenum content of 0.15 ~ 0.25, chromium content of 0.80 ~ 1.10. There are both relations and differences between alloy pipe and seamless pipe, which cannot be confused. Alloy pipe is defined as steel pipe according to the production material (i.e. material). As the name suggests, it is a pipe made of alloy; Seamless pipe is defined according to the production proces... -
Low price for S235jr Precision Bright Tube - Spot warranty sales of 42CrMo alloy steel pipe manufacturers – Weichuan
Purpose of 42CrMo seamless steel pipe: the special steel for bridge is “42CrMo”, the special steel for automobile girder is “42CrMo”, and the special steel for pressure vessel is “42CrMo”. This kind of steel improves the mechanical properties of steel by adjusting the carbon content (c). Therefore, according to the carbon content, this kind of steel can be divided into: low carbon steel – the carbon content is generally less than 0.25%, such as 10 and... -
OEM China Din2448 Seamless Steel Tube - Quality and quantity of stainless steel welded pipe – Weichuan
Stainless steel welded pipe, referred to as welded pipe for short, is a steel pipe made of commonly used steel or steel strip after crimping and forming by the unit and die. Welded steel pipe has the advantages of simple production process, high production efficiency, many varieties and specifications and less equipment investment, but its general strength is lower than that of seamless steel pipe. Since the 1930s, with the rapid development of high-quality strip continuous rolling production... -
2021 New Style Auto Parts Pipe - Dachang genuine 304L stainless steel pipe sales – Weichuan
The American Iron and Steel Institute uses three digits to mark various standards Quasi malleable. Of which: ① Austenitic stainless steel is indicated by numbers of 200 and 300 series, ② Ferritic and martensitic stainless steels are represented by 400 series numbers. For example, some of the more common austenitic stainless steels Marked 201, 304L, 316 and 310, ③ Ferritic stainless steel is marked with 430 and 446, and martensitic stainless steel is marked with 410, 420 and 440C Note, duplex ... -
OEM Customized Q345b Hot Rolled Seamless Steel Pipe - 45# thick wall steel pipe in stock – Weichuan
The key to the quality of thick wall steel pipe is the uniformity of wall thickness. If the wall thickness of thick wall steel pipe is not controlled, it will directly affect the quality and use of steel pipe. Thick wall steel pipe and large-diameter thick wall steel pipe are generally used in various machining and processing of thick wall parts. The uniformity of pipe wall of thick wall steel pipe will directly affect the quality of later processed parts, and the pipe wall of thick wall stee... -
Europe style for Seamless Bright Tube - Dachang genuine 304L stainless steel pipe sales – Weichuan
The American Iron and Steel Institute uses three digits to mark various standards Quasi malleable. Of which: ① Austenitic stainless steel is indicated by numbers of 200 and 300 series, ② Ferritic and martensitic stainless steels are represented by 400 series numbers. For example, some of the more common austenitic stainless steels Marked 201, 304L, 316 and 310, ③ Ferritic stainless steel is marked with 430 and 446, and martensitic stainless steel is marked with 410, 420 and 440C Note, duplex ... -
Wholesale Tiangang Machined Seamless Pipe - China thermal insulation steel pipe factory – Weichuan
Thermal insulation pipeline is widely used in liquid and gas transmission pipe network, chemical pipeline thermal insulation engineering, petroleum, chemical industry, central heating network, central air conditioning ventilation pipeline, municipal engineering, etc. Steel jacketed steel composite insulation steel pipe. The thermal insulation structure of steel jacketed steel composite thermal insulation steel pipe can be divided into two categories according to different sliding modes: 1. I... -
Wholesale Price China 20# Seamless Square Tube - A106grb seamless steel pipe manufacturer’s stock – Weichuan
Steel pipe has hollow section and its length is much larger than the diameter or circumference of steel. According to the section shape, it is divided into circular, square, rectangular and special-shaped steel pipes; According to the material, it is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe; It is divided into steel pipes for transmission pipeline, engineering structure, thermal equipment, petrochemical industry, mac... -
Good quality St37 Precision Bright Tube - High pressure stainless steel tube manufacturer – Weichuan
316L is a brand of stainless steel, AISI 316L is the corresponding American brand and Sus 316L is the corresponding Japanese brand. China’s unified digital code is s31603, the standard brand is 022cr17ni12mo2 (new standard), and the old brand is 00Cr17Ni14Mo2, which indicates that it mainly contains Cr, Ni and Mo, and the number indicates the approximate percentage. The national standard is GB / T 20878-2007 (current edition). 316L is widely used in the chemical industry because of its ... -
Big Discount Tiangang 12cr1movg High Pressure Alloy Steel Pipe - Q345B square tube manufacturer guarantees quality – Weichuan
1. According to the process – arc welding square tube, resistance welding square tube (high frequency and low frequency), gas welding square tube and furnace welding square tube. 2. According to the weld – straight welded square pipe and spiral welded square pipe. Square tubes are divided into ordinary carbon steel square tubes and low alloy square tubes according to material. 1. Ordinary carbon steel is divided into Q195, Q215, Q235, SS400, 20# steel, 45# steel, etc. 2. Low allo...
- Call Support 0086-18365819992
- Email Support sales@weichuanmetal.com
