- : 0086-21-61182423
- : 0086-21-61182425
- : [email protected]
- : Room 301,Unit 6,lane 2500,xiupu Road,Kangqiao Industrial Area,Pudong New District,Shanghai
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- GB/T 18248 34CrMo4
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Q345 B Structural Steel For Sale

Steel grade Q345B is the most common used as high strength low alloy structural steel in industry area. Q345 B Steel is used for a number of manufacturing purposes. Q345 B Structural Steel also used in general structure and mechanism , including construction , machinery , transportation , aviation.
Q345 B Chemical Composition
| Main chemical elements composition of Q345B | |||||||
| C | Si | Mn | P | S | V | Nb | Ti | 
| 0.20 | 0.55 | 1.00-1.60 | 0.040 | 0.040 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | 
Q345 B Structural Steel Mechanical Property
| Thickness (mm) | ||||
| Q345B | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 | 
| Yield strength (≥Mpa) | 345 | 325 | 295 | 275 | 
| Tensile strength (Mpa) | 470-630 | |||
Standard: Steel  Plate GB Q345B
Thickness:  6-100mm
Width: 1500-3600mm
Length: 6000-18000
Meanwhile, the  size can be customized.
Supply  ability: 5000M/T
Special  use: High-strength plate
As a very long history company, Shanghai Katalor Enterpriseshad enough experience about the quality, price for these goods in China Market. we are a professional grade Q345B stockist and supplier. We can supply different product type and grades of Q345 B Steel. If you want to get the price, please do not hesitate to contact us.
Company Name:  Shanghai Katalor Enterprises
Address:Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao  Industrial Area, Pu dong New District, Shanghai
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:[email protected]
Phone:0086-18317160019