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hot rolled checkered steel plate Q345B
Product Description
Checkered steel plate Q345B,widely used in Mechanical&manufacture,steel structure,shippingbuilding,bridging,automobile classis and so on,width from 600mm to 2500mm and thickness from 4-20mm.Length from 600mm to 2500mm.The most popular grades are Q235B(Equivalent with SS400,S235JR,ASTM A36) and Q345B(equivalent with ST523,S355JR).
| Product name |
Checkered steel plate |
| Grade |
SS400,Q235B,S235JR,A36,Q195,SPHC,Q345B |
| Technique |
Hot rolled |
| Thickness |
4-20mm |
| Width |
600-2500mm |
| Length |
Coil or as customer's request |
| Pattern |
Diomond,lentils form,round beans form |
| Package |
Bundle packed by steel strip, or as per request |
| Application |
Construction,mechine,building,container,manufacture,shipping building,bridge and other field. |
| Brands |
Shougang,HBIS,Rizhao steel,Benxi steel.etc |
| Payment terms |
TT or LC at sight |
| Deliver Conditions |
Bulk vessel or container |
| Deliver Time |
In 20 to 35 days after receipt of L/C or TT |
What is Q345B?
Q345 is a steel material. It is low-carbon steel (c <0.2%), good overall performance, good low temperature performance, the performance of cold stamping, welding performance and good cutting. Widely used in bridges, vehicles, ships, construction, pressure vessels. Q represents the yield of this material, behind the 345, the yield refers to the value of this material around the 345MPa. And will increase the thickness of the material and its yield value decreases.
By the Q + digital + quality rating symbols + deoxy method symbols. Its steel dubbed "Q", the representative of the yield point of steel, behind the numbers indicate the yield point value, the unit is MPa yield point such as Q235 (σs) of 235 MPa of carbon structural steel.
Standard: GB/T1591-2008
Advantage: Good low temperature performance, cold stamping performance
Higher grade: Q345C,Q345D,Q345E
The chemical component of hot rolled steel plate Q345B
| |
C |
Si |
Mn |
S |
P |
V |
Nb |
Ti |
| Q345B |
≤0.20 |
≤0.55 |
≤1.70 |
≤0.040 |
≤0.040 |
0.02-0.15 |
0.015-0.060 |
0.02-0.20 |
The mechanical property of hot rolled steel plate Q345B
Yield Strength
| |
≤16mm |
16-40mm |
40-63mm |
63-80mm |
80-100mm |
100-150mm |
150-200mm |
| Q345B |
≥345 |
≥335 |
≥325 |
≥315 |
≥305 |
≥285 |
≥275 |
Tensile strength: 450-630.
Impact: 20ºC:≥34
Photos of hot rolled checkered steel plate Q345B
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