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Brand Name : ASTM A588
Model Number : Q345B S355JR
Certification : SGS ,ISO
Place of Origin : China BAO STEEL
MOQ : 3 tons
Price : 800-900 USD/Ton
Payment Terms : L/C, , T/T
Supply Ability : 1000 tons
Delivery Time : 7 days
Packaging Details : Export Packing
Thickness : 4-200mm
Type : Steel Plate
Technique : Hot Rolled
Length : 10-1500mm
Application : Machinery Steel, Engineering Steel, Container Plate
Surface Treatment : Coated
1. Steel Grade: Q345
3. Product name: GB Q345 Hot Rolled Froged Low alloy Corten Steel Plate
4. Length: 3000-12000mm
5. Width: 1000-3000mm
6. Thickness: 4-200mm
Chemical Composition % of Grade Q345
C(%) | Mn(%) | P(%) | S(%) | V(%) | Nb(%) | Al(%) | Ti(%) |
0.18 | 0.55 | 0.025 | 0.025 | 0.02-0.15 | 0.015-0.060 | 0.015 | 0.02-0.20 |
Hardness and heat treatment specification of Grade Q345
Annealing hardness HBS | Cold pull hardness HBS | Preheating temperature ℃ | Quenching temperature ℃ | Holding time min | Hardening medium | Temper temperature ℃ | After tempering hardness ≥HRC | |
salt-bath furnace | controlled atmosphere furnace | |||||||
235 | 262 | 788 | 1191 | 1204 | 5~15 | air cooling | 522 | 60 |
Steel plate/Sheet thickness / mm | σb MPa | σs ≥/MPa | δ Samples from the standard for 50 mm (2 in) | 180 ° of cold bending test | |
longitudinal | horizontal | ||||
Hot-rolled/Cold rolling:5 - 150 | 520 | 415 | 16~18 | 2a | 3.5a |
Corten is a very popular steel due to the materials rustic and aesthetically pleasing appearance. It is a weather resistant steel which reacts to natural elements in the atmosphere and forms its own protective layer of rust. This layer continues to replenish itself over time and therefore the steel does not usually require any form of external treatment.
The steel is used in a variety of applications, both structural and cosmetic, including bridge construction, structural framework and building facias.
1.Production Std: ASTM,ASME,JIS,DIN,BS,EN,
2. Delivery State: HR,TMCP, Q&T, N, T, N&T,Z15,Z25,Z35, Ultrasonic test, Sharp V-notch impact test, HIC test ,etc
3. Dimension Thickness: 5mm~650mm; Width:1200~4200mm; Length:3000~18800mm
4. Trade Terms: FOB, CFR, CIF
5. Payment Terms: T/T, Irrevocable at sight L/C
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Q345B Hot Rolled Low Alloy Carbon Steel Plate S355JR 100*2500MM Hot Rolled Steel Plate Images |