Complaint
| composition | C | Si | Mn | P | S | Cr | Ni | Cu | Mo |
| Q195 | ≤0.12 | ≤0.3 | ≤0.5 | ≤0.035 | ≤0.04 | ≤0.3 | ≤0.3 | ≤0.3 | - |
| Q235 | ≤0.22 | ≤0.35 | ≤1.4 | ≤0.045 | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.3 | - |
| Q345 | ≤0.2 | ≤0.5 | ≤17 | ≤.035 | ≤0.0335 | ≤0.3 | ≤0.5 | ≤0.3 | - |
| Q390 | ≤0.2 | ≤0.5 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.1 |
| 10# | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.03 | ≤0.15 | ≤0.3 | ≤0.3 | - |
| 15# | 0.12-0.18 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.03 | ≤0.2 | ≤0.3 | ≤0.25 | - |
| 20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 25# | 0.22-0.29 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 30# | 0.27-0.34 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 35# | ≤0.17 | ≤0.35 | ≤1.4 | ≤0.04 | ≤0.04 | ≤0.3 | ≤0.3 | ≤0.3 | - |
| 40# | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 45# | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 55# | 0.52-0.6 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.3 | ≤0.25 | - |
| 16Mn | 0.13-0.2 | 0.2-0.6 | 1.2-1.6 | ≤0.025 | ≤0.01 | ≤0.3 | ≤0.3 | ≤0.2 | |
| 20Cr | 0.18-0.24 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.7-1 | ≤0.3 | ≤0.3 | ≤0.15 |
| 40Cr | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.3 | ≤0.3 | ≤0.15 |
| 15CrMo | 0.12-0.18 | 0.17-0.37 | 0.4-0.7 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.3 | ≤0.3 | 0.4-0.55 |
| 20CrMo | 0.17-0.24 | 0.17-0.37 | 0.4-0.7 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.3 | ≤0.3 | 0.15-0 .25 |
| 30CrMo | 0.26-0.34 | 0.17-0.37 | 0.4-0.7 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.3 | ≤0.3 | 0.15-0.25 |
| 35CrMo | 0.32-0.4 | 0.17-0.37 | 0.4-0.7 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.3 | ≤0.3 | 0.15-0.25 |
| 42CrMo/4140 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.9-1.2 | ≤0.3 | ≤0.3 | 0.15-0.25 |
| 5120 | 0.17-0.22 | 0.15-0.35 | 0.7-0.9 | ≤0.035 | ≤0.035 | 0.7-0.9 | ≤0.25 | ≤0.35 | ≤0.06 |
| product | Steel square bar/bar |
| grade | A36,SS400,Q235,Q345,1020,1045,1055 |
| standard | ASME, ASTM, EN, BS, GB, DIN, JIS, etc |
| technology | Cold drawing and hot rolling |
| surface | Annealed and pickled, bright, polished, HL, black |
| measurement | Round rod: diameter:3mm~800mm square bar: 5x5mm - 200x200mm Flat rod: 20x2mm - 200x20mm Hexagonal bar: 8mm - 200mm Angle rod: 20x20x2mm - 200x200x15mm |
| pack | Bundle packaging, export standard packaging or according to customer requirements |
| delivery time | 7-15 days or according to the order quantity or negotiation |
| Minimum order quantity | 1ton |
| Brand | Sample blank size/mm | mechanical property | Hardness of steel delivered HBSl0 / 300 ≤ | |||||||
| Normalizing/quenching/ tempering | ób/MPa | ós/MPa | δ5(%) | Ψ(%) | AKu2/J | |||||
| ≥ | Unheat-treated steel | Annealed steel | ||||||||
| 1010 | 25 | 930-/-/ | 315 | 185 | 33 | 55 | 137 | |||
| 1020 | 25 | 910/-/- | 4lO | 245 | 25 | 55 | 156 | |||
| 1025 | 25 | 900/870/600 | 450 | 275 | 23 | 50 | 170 | |||
| 1030 | 25 | 880/860/600 | 490 | 295 | 21 | 50 | 179 | |||
| 1035 | 25 | 870/850/850 | 530 | 315 | 20 | 45 | 197 | |||
| 1040 | 25 | 860/840/60D | 570 | 335 | 19 | 45 | 217 | 187 | ||
| 1045 | 25 | 850/840/600 | 600 | 355 | 16 | 40 | 229 | 197 | ||
| 1050 | 25 | 830/830/600 | 630 | 375 | 14 | 40 | 24l | 207 | ||
| 1055 | 25 | 820/820/600 | 645 | 380 | 13 | 35 | 255 | 217 | ||
| 1060 | 25 | 810/-/- | 675 | 400 | 12 | 35 | 255 | 229 | ||
| 1065 | 25 | 810/-/- | 695 | 410 | lO | 30 | 255 | 229 | ||
Packaging | 1. by bundles, each bundle weight under 3 tons, for small outer diameter steel bars, each bundle with 4 - 8 steel strips. 2. after making by bundle, covered with Polyethylene waterproof cloth. 3. make black paints painting on each bar, then make bundles |
| 20 feet container contains dimension | Length under 6000mm |
| 40 feet container contains dimension | Length under 12000mm |
| By bulk vessel | Freight charge is low by bulk cargo, and large heavy sizes can not be loaded into containers can shipping by bulk cargo |
1. Who are we?
Our headquarter is located in Shandong, China. Since 2022, we have sold to North America (60.00%), Western Europe (14.00%) and South America (6.00%). There are about 11-50 people in our office.
2. How do we guarantee quality?
Always provide pre-production samples before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Copper, aluminum, die steel, titanium, customized machine parts
4. Why should you buy from us instead of other suppliers?
The company has 25 years of production experience. It has advanced precision production equipment, modern large warehouse, 200000 tons of inventory goods and a number of long-term stable cooperative customers.
5. What services can we provide?
Accepted delivery conditions: FOB, CFR, CIF, EXW
Accepted payment currency: US dollar, Euro, Japanese yen, Canadian dollar, Australian dollar, Hong Kong dollar, British pound, RMB, Swiss franc;
Accepted payment type: T/T, L/C, D/P D/A, PayPal;
Optional ports: Tianjin, Shanghai, Guangzhou;
Spoken: English, Chinese
6. How can we get your price?
A. We need the following information to quote for you:
1). Product Name
2). standard
3). Material grade (chemical composition)
4). dimension
5). amount
6). Special part drawin
