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Top Quality Carbon Steel Pipe Flanges - Q345 ASTMGr.50 ISOE355CC JISSN400 low alloy high strength structural seamless steel pipe – Huayi

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Top Quality Carbon Steel Pipe Flanges - Q345 ASTMGr.50 ISOE355CC JISSN400 low alloy high strength structural seamless steel pipe – Huayi Detail:

Product Description

Q345 is a kind of low-alloy steel with good comprehensive mechanical properties, low-temperature properties, good plasticity and weldability. It is used for medium and low pressure vessels, oil tanks, vehicles, cranes, mining machinery, power stations, bridges and other structures, mechanical parts, building structures and general metal structures under dynamic load. Q345A, Q345B, Q345C, Q345D, Q345E. The main reason is that the impact temperature is different. Q345A level, is not to do impact; Q345B, 20 ℃ impact at room temperature; Q345C, 0 degree impact; Q345D is – 20 degree impact; Q345E is – 40 degree impact. At different impact temperature, the impact value is different. In the plate, it belongs to low alloy series. In the low alloy material, this material is the most common. Q345 used to be called 16Mn. Due to the implementation of the standard, this kind of steel plate is allowed to be delivered with negative tolerance.

Product Parameter

Standerd GB ASTM ISO JIS DIN
Steel pipe grade Q345 16MN E355CC E355M Gr.50 SN400 S355JR
Lengh hot rolled (extruded and expanded): 3-12m
Outer Diameter hot rolled:32-756mm
wall thickness 2.5-100mm
Processing Service Cutting or according to the customer’s demand
Packaging Details Bare packing/wooden case /waterproof cloth
Terms of Payment T/T L/C at sight
20 feet container contains dimension Length under 6000mm
40 feet container contains dimension Length under 12000mm

 

Samples Free samples are provided but the freight is paid by the buyer
Min order 1 Ton

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Processing Services

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Advantage

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Our company has a large number of inventory, can meet your needs in time.

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provide relevant information in time according to the customer’s demand to ensure the quantity and quality of products.

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Relying on the country’s largest steel market, one-stop with all the products you need to save costs for you.

Chemical Composition

Q345A:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;

Q345B:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;

Q345C:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.030,Al≥0.015;

Q345D:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.025,Al≥0.015;

Q345E:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.025,S≤0.020,Al≥0.015;

Q345A、B、C、D、E均含Nb≤0.07,V≤0.15,Ti≤0.20,Cr≤0.30,Ni≤0.012,Mo≤0.10。

Product Application

Q345 is a kind of low alloy steel with good comprehensive mechanical properties, low temperature properties, good plasticity and weldability. It is used for medium and low pressure vessels, oil tanks, vehicles, cranes, mining machinery, power stations, bridges and other structures, mechanical parts, building structures and general metal structural parts under dynamic load

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Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Top Quality Carbon Steel Pipe Flanges - Q345 ASTMGr.50 ISOE355CC JISSN400 low alloy high strength structural seamless steel pipe – Huayi, The product will supply to all over the world, such as: Croatia, UAE, Angola, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.
  • The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Judith from Slovenia - 2018.06.28 19:27
    The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Miranda from Las Vegas - 2018.12.11 11:26

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