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What are the quality features of SA573 Grade 70 angle bar

What are the quality features of SA573 Grade 70 angle bar

  • Nov 19 , 2020
The company now has SA573 Grade 70 angle bar oversea market department, sales and supply department, finance department, logistics department, technical equipment department, quality management department, production department and other departments. The

The company now has SA573 Grade 70 angle bar oversea market department, sales and supply department, finance department, logistics department, technical equipment department, quality management department, production department and other departments. The staff with college degree or above accounted for more than 80%, and there were more than SA573 Grade 70 angle bar 30 professional and technical personnel. The LSAW pipe production line can produce welded pipes with Φ350-1800mm, wall thickness 6-80mm, and length 2-12m.

Q345 is a grade of carbon structural steel. Q is the meaning of yield strength, which SA573 Grade 70 angle bar is taken from the initial of Chinese Pinyin of "Qu"; 345 is the value of yield point, in MPa. Q345 refers to carbon structural steel with yield point (σ s) of 345mpa. The following letters indicate the quality level, including A, B, C, D and E. Q345 steel has good comprehensive mechanical properties, low temperature performance, good plasticity and weldability. Q345 steel is usually in hot rolling or normalizing state.

The alloy steel plate has higher oxidation resistance and corrosion resistance, and is more suitable for use in acid and alkali environments. The surface of alloy steel plate will not be oxidized and corroded, maintaining the brightness of the steel plate. The alloy steel plate also has high material strength, its pressure bearing performance is very outstanding. It has high plasticity under the condition of long-lasting stretching. The SA573 Grade 70 angle bar, alloy steel plate is not prone to fracture, and it is more durable.

Composition characteristics of low alloy structural steel, SA573 Grade 70 angle bar: (1) Low carbon: the carbon content of low alloy structural steel is less than 0.20% due to the high requirements of toughness, weldability and cold formability. (2) The alloy elements such as manganese are added. (3) The addition of Nb, Ti or V and other auxiliary elements: a small amount of Nb, Ti or V forms fine carbides or carbonitrides in the steel, which is beneficial to obtain fine ferrite grains and improve the strength and toughness of low alloy structural steel. In addition, adding a small amount of copper (≤ 0.4%) and phosphorus (about 0.1%) can improve the corrosion resistance. The addition of a small amount of rare earth elements can remove sulfur and gas, purify the steel, and improve the toughness and process performance of low alloy structural steel.

If your record is for special steel angle size, email us your customized size when your order is equal or bigger than our minimum quantity. A588 steel angle SA573 Grade 70 angle bar description: Steel grade: A588. Specification: ASTM A588. Technology SA573 Grade 70 angle bar: hot rolled. Type: equal & unequal. Length: 6 m, 9 m, 12 m or per your request. Equal angle: Size: 20 × 20 mm - 200 × 200 mm. Thickness: 3 to 22 mm. Length: 6 m, 9 m, 12 m or per your request. Unequal angle: Size: 20 × 30 to 90 mm × 250 mm. Thickness: 3 to 15 mm. Length: 6 m, 9 m, 12 m or per your request. Note: Special angle SA573 Grade 70 angle bar steel sizes are available if your order quantity surpasses the minimum.

For ASTM A573 Grade 70/A573 Gr.70 carbon manganese silicon steel plates, our company would issue the original mill test certificate SA573 Grade 70 angle bar EN 10204 3.1 for clients when arrange delivery, so that clients can trace the A573 Gr.70 plates origin easily.

We should focus on the main problems to be solved and pay attention to efficiency. After receiving the user's quality objection report data, the possible causes, responsible units, compensation amount, etc. of the problem shall be judged based on experience. To have a clear service plan, to be clear about what your main problem is, what technical support is needed, these should be prepared.

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