(Q215,Q235,Q195,Q345) Hot rolled/forged Carbon steel round bar
Carbon Steel Q235 Round Steel
1.Grade: Round Bar Q235
2. Surface:Black surface/Ground
3. Process: EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T)
4. Chemical Composition (%):
C | Si | Mn | P≤ | S≤ | Cr≤ | Ni≤ | Cu≤ |
0.12/0.20 | 0.20/0.55 | 1.20/1.60 | 0.045 | 0.045 | 0.25 | 0.3 | 0.25 |
5.Certification: ISO9001-2000
6. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
7. Packing situation: standard seaworthy packing or as customer required
8. Delivery time: 30 days after order confirmed
9. Delivery condition: Hot-rolled or froged
10. Payment: T/T or L/C at sight.
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Features:
(1) Higher strength in a high-quality carbon steel.
(2) Mechanical properties of this steel is very good.
(3) the hardeness of this steel could be 42~46HRC by quenching.
(4) due to poor hardenability, general normalized state, high mechanical performance requirements, the use of quenched and tempered.
(5) Moderate in cold plastic deformation, the machinability by annealing and normalizing is better than quenched and tempered.
Delivery condition:
Acc. to your request—Standard steel bar(sawing)
——non-standard steel bar(sawing)
or Mill deliver condition,without sawing or cutting
Conventional or ESR, hot rolled or forged, black surface or milling
Hardness: annealed to HB≤215
Main application
(1) 45c is widely used in machinery manufacturing.
(2) For the manufacture of high strength requirements parts, such as gears, shafts, piston pin and the uneven force big machining parts, forgings, stampings and bolts, nuts, pipe joint.