Q235 Hot Rolled Carbon Steel Round Bar(Q245 Q345 A36 S235JR S355JR S275JR
1. The Description for the Goods.
| Product Name | Steel Round Bar |
| Standard | ASTM A 276, A 484, A564, A581, A582, EN10272, IS4303, JIS G 4311, JIS G 4318 |
| Grade | 304, 316L 321 310S 904L |
| Package Detail | According to the customer's demand. |
| Delivery Time | Within 30 days after receiving your deposit. |
| Payment Terms | L/C & T/T |
| Application | These products are widely supplied to areas of machine-made industry, chemical industry, spin, shipping industry, architecture, food industry, household products etc. |
| Contact | Our products are very popular because of high-quality and reasonable prices. If you are interested in any of our products, please feel free to contact us for more information |
2. Chemical Composition:
| Grade | C | Si | Mn | Cr | Mo | P | S | B |
| SCM440 | 0.4-0.45 | 0.1-0.3 | 0.65-0.80 | 0.9-1.1 | 0.15-0.25 | Max.0.025 | Max.0.025 | |
| SCM420 | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | 0.9-1.2 | 0.15-0.30 | Max. 0.03 | Max. 0.015 | |
| S45CB | 0.43-0.50 | 0.15-0.30 | 0.60-0.90 | | | Max. 0.035 | Max. 0.035 | 0.001-0.004 |
3. Aplication :
Hot rolled round steel bars are widely used in machinery making, autombile making, railway, mine machinery, petoleum machinry, agricultural machinery and civil archtectue such as all kinds of shafts, screws, connecting rods, hardware tools, gears, standard parts, spanners fasteners, structural parts for automobile and agricultural machinery, outer and iner sleeves, rollers and balls for bearing making.
4. Processing flow of hot rolled round steel bars:
| Sintering | blast furnace | RH pretreatment of hot metal | metal mixer | converter | LF refining | VD | billet continuous casting machine | heating furnace | rolling | finishing | test | finished products
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