Mild Steel Flat Bars are stocked at all depots with sizes ranging from 13mm wide up to 400mm and 3mm thick to 25mm. Standard stock lengths are 6000mm or these can be cut to your required length.
| Chemical properties of carbon steel flat bar | |||||||||
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu | N |
| Q195 | ≤0.12 | ≤0.30 | ≤0.50 | ≤0.035 | ≤0.040 | ||||
| Q235B | ≤0.20 | ≤0.35 | ≤1.40 | ≤0.045 | ≤0.045 | ||||
| Q275 | ≤0.24 | ≤0.35 | ≤1.50 | ≤0.045 | ≤0.050 | ||||
| Q345B | ≤0.24 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | ≤0.40 | ≤0.012 |
| Mechancal properties of carbon steel flat bar(1) | |||||||
| Grade | Yield Strength ReH/(N/mm2) not less than | Tensile Strength Rm/(N/mm2) | |||||
| Thickness/mm | |||||||
| ≤16 | ＞16~40 | ＞40~60 | ＞60~100 | ＞100~150 | ＞150~200 | ||
| Q195 | 195 | 185 | - | - | - | - | 315~430 |
| Q235B | 235 | 225 | 215 | 215 | 195 | 185 | 370~500 |
| Q275 | 275 | 265 | 255 | 245 | 225 | 215 | 410~540 |
| Q345B | 355 | 345 | - | - | 295 | 285 | ≤100mm：470~630 |
| Mechancal properties of carbon steel flat bar(2) | |||||||
| Grade | Elongation after break A/% | Impact test (V-notch) | |||||
| Thickness/mm | Temperature/℃ | Impact absorption energy (longitudinal)/J not less than | |||||
| ≤40 | ＞40~60 | ＞60~100 | ＞100~150 | ＞150~200 | |||
| Q195 | 33 | - | - | - | - | - | - |
| Q235B | 26 | 25 | 24 | 22 | 21 | +20 | 27 |
| Q275 | 22 | 21 | 20 | 18 | 17 | +20 | 27 |
| Q345B | 22 | 21 | 20 | 18 | 17 | +20 | 34 |
Flat steel is widely used in
shipbuilding, machinery manufacturing steel structures, steel gratings,
ladders, etc. As a finished material, it can be used for hoop irons,
tools and mechanical parts, and used for building structural parts and
escalators in construction.
| Product Name | Carbon Steel Flat Bar |
| Standard | ASTM, DIN, JIS, EN, AISI, BS, GB |
| Grade Group | SS400, Q195, Q235, Q235b, Q345, Q345b, Q355, S235JR, S275JR, S355JR, ss400, s45c, A36, 1045, 1080, 1084, 1095, etc. |
| Thickness | 4-12mm or as your request |
| Section Shape | flat bar |
| Technique | Hot Rolled/cold drawn |
| Suface Treatment | Black Painted / Oiled /Galvanized |
| Width | 8-140 mm |
| Length | 1-12m or as your request |
| MOQ | 1 ton |
| Supply Ability | 5000 tons / month |
| Lead Time | 10-15 working days after the receipt of 30% deposit |
| Payment Terms | 30%T/T Advance + 70% Balance |
| Price Terms | FOB, CFR, CIF, EXW |
| Packing | Standard sea-worthy package or as required |
| *If you do not find what you are
looking for, please call us now. If you have found it, we are happy to
answer any questions or concerns you may have about flat bar grades and assist you through the purchasing process. | |
◆ FAQ:
Q:Can you send samples?
A:Sample can be for free,freight cost collect.
Q:What product information do I need to provide?
A:Steel grade/thickness/width/quantity,these will decide the price.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q:What are the certifications for your products?
A:We have ISO 9001,CE,SGS,BV and other certifications.
Q:How about the delivery time?
A:Regularly the delivery time around 10-15 days,customized one will inform the delivery time ahead.
Q:Does the product have quality inspection before loading?
A:All the products are strictly tested before packaging,also can inspect by third party inspection.
Q:How to pack the products?
A:Standard export package with waterproof film and wooden pallet.It can effectively protect products from corrosion.
