Chinese Manufacturer Carbon Steel ASTM A29 A36 C20 C45 42CrMo S235jr Square Q235B, Q235C, Q235D Square Bar Used for Bridge and Construction Industry

A36 Steel Square Bar
Hot Rolled Steel Square Bar, used for all general structural fabrication and repairs in industrial maintenance, has a grainy finish with radius corners. It is easy to cut, weld, form, and machine. It is used in frame work, supports, shafts and axles.
1018 Cold Finished Square Bar
Cold Finish aka Cold Rolled Steel Square, a low carbon steel product, is easily machinable and easy to weld, cut, and form. A cold finish steel square has a smooth surface wish sharp corners and is more dimensionally accurate than hot rolled bars. It is frequently used in shafts, machine mounts, fixtures, and more.
6061 Aluminum Square
6061 Aluminum Square Bar, an extracted aluminum product, is used in fabrication projects when the qualities of light weight and corrosion resistance are required. It is used in framework, braces, supports, trim, and shafts. It is easy to cut, weld, and machine. Our great service allows you to get the exact measurement you need.
| (H*W) | H*B | t1 | t2 | r | cm2 | kg/m | IX | IY | ix | IY | Wx | WY |
| 100*100 | 100*100 | 6 | 8 | 10 | 21.9 | 17.2 | 383 | 134 | 4.18 | 2.47 | 76.5 | 26.7 |
| 125*125 | 125*125 | 6.5 | 9 | 10 | 30.31 | 847 | 294 | 5.29 | 3.11 | 136 | 47 | |
| 150*150 | 150*150 | 7 | 10 | 13 | 40.55 | 31.9 | 1660 | 564 | 6.39 | 3.73 | 221 | 75.1 |
| 175*175 | 175*175 | 7.5 | 11 | 13 | 51.43 | 40.3 | 2900 | 984 | 7.5 | 4.37 | 331 | 112 |
| 200*200 | 200*200 | 8 | 12 | 16 | 64.28 | 50.5 | 4770 | 1600 | 8.61 | 4.99 | 477 | 160 |
| #200*204 | 12 | 12 | 16 | 72.28 | 56.7 | 5030 | 1700 | 8.35 | 4.85 | 503 | 167 | |
| 250*250 | 250*250 | 9 | 14 | 16 | 92.18 | 72.4 | 10800 | 3650 | 10.8 | 6.29 | 867 | 292 |
| #250*255 | 14 | 14 | 16 | 104.7 | 82.2 | 11500 | 3880 | 10.5 | 6.09 | 919 | 304 | |
| 300*300 | #294*302 | 12 | 12 | 20 | 108.3 | 85 | 17000 | 5520 | 12.5 | 7.14 | 1160 | 365 |
| 300*300 | 10 | 15 | 20 | 120.4 | 94.5 | 20500 | 6760 | 13.1 | 7.49 | 1370 | 450 | |
| 300*305 | 15 | 15 | 20 | 135.4 | 106 | 21600 | 7100 | 12.6 | 7.24 | 1440 | 466 | |
| 350*350 | #344*348 | 10 | 16 | 20 | 146 | 115 | 33300 | 11200 | 15.1 | 8.78 | 1940 | 646 |
| 350*350 | 12 | 19 | 20 | 173.9 | 137 | 40300 | 13600 | 15.2 | 8.84 | 2300 | 776 | |
| 400*400 | #388*402 | 15 | 15 | 24 | 179.2 | 141 | 49200 | 16300 | 16.6 | 9.52 | 2540 | 809 |
| #394*398 | 11 | 18 | 24 | 187.6 | 147 | 56400 | 18900 | 17.3 | 10 | 2860 | 951 | |
| 400*400 | 13 | 21 | 24 | 219.5 | 172 | 66900 | 22400 | 17.5 | 10.1 | 3340 | 1120 | |
| #400*408 | 21 | 21 | 24 | 251.5 | 197 | 71100 | 23800 | 16.8 | 9.73 | 3560 | 1170 | |
| #414*405 | 18 | 28 | 24 | 296.2 | 233 | 93000 | 31000 | 17.7 | 10.2 | 4490 | 1530 | |
| #428*407 | 20 | 35 | 24 | 361.4 | 284 | 119000 | 39400 | 18.2 | 10.4 | 5580 | 1930 | |
| *458*417 | 30 | 50 | 24 | 529.3 | 415 | 187000 | 60500 | 18.8 | 10.7 | 8180 | 2900 | |
| *498*432 | 45 | 70 | 24 | 770.8 | 605 | 298000 | 94400 | 19.7 | 11.1 | 12000 | 4370 | |
| 150*100 | 148*100 | 6 | 9 | 13 | 27.25 | 21.4 | 1040 | 151 | 6.17 | 2.35 | 140 | 30.2 |
| 250*150 | 194*150 | 6 | 9 | 16 | 39.76 | 31.2 | 2740 | 508 | 8.3 | 3.57 | 283 | 67.7 |
| 250*275 | 244*175 | 7 | 11 | 16 | 5.24 | 44.1 | 6120 | 985 | 10.4 | 4.18 | 502 | 113 |
| 300*200 | 294*200 | 8 | 12 | 20 | 73.03 | 57.3 | 11400 | 1600 | 12.5 | 4.69 | 779 | 160 |
| 350*250 | 340*250 | 9 | 16 | 20 | 101.5 | 79.7 | 21700 | 3650 | 14.6 | 6 | 1280 | 292 |
| 400*300 | 390*300 | 10 | 14 | 24 | 136.7 | 107 | 38900 | 7210 | 16.9 | 7.26 | 2000 | 481 |
| 450*300 | 440*300 | 11 | 18 | 24 | 157.4 | 124 | 56100 | 8110 | 18.9 | 7.18 | 2550 | 541 |
| 500*300 | 482*300 | 11 | 15 | 28 | 146.4 | 115 | 60800 | 6770 | 20.4 | 6.8 | 2520 | 451 |
| 488*300 | 11 | 18 | 28 | 164.4 | 129 | 71400 | 8120 | 20.8 | 7.03 | 2930 | 541 | |
| 600*300 | 582*300 | 12 | 17 | 28 | 174.5 | 137 | 103000 | 7670 | 24.3 | 6.63 | 3530 | 511 |
| 588*300 | 12 | 20 | 28 | 192.5 | 151 | 118000 | 9020 | 24.8 | 6.85 | 4020 | 601 | |
| #594*302 | 14 | 23 | 28 | 222.4 | 175 | 137000 | 10600 | 24.9 | 6.9 | 4620 | 701 |









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Price advantage: discounts based on real market prices;
Transaction security: There will be no loss of customer funds;
After-sales guarantee: the customer's problem is our problem;
Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time.

1. Are you a trading company or a factory?
A: We are a direct factory with more than 30 years of production experience, a professional technical team, production team, overseas sales team, can solve various problems for you
2 .What's your advantage?
A: Great products with competitive price and professional service on export business.
3. How I believe you?
A : We consider honesty as the core of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from , your order and money will be well guaranteed.
4.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
5.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.
6.How about the delivery time?
A: We have multiple warehouses, some products are in stock, and we can ship them to you immediately!
Other products that need to be produced will be produced within 10-15 days at the earliest according to your requirements; large orders will be produced according to the specific situation.
7.what kind of payment does your company support?
A: T/T, 100% L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me.
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