◆ Size, weight and tolerance:
Dimensions and tolerances:
Carbon Steel Square Bar | Section Nominal Size (Square steel side length) | Allowable deviation | ||
Group 1 | Group 2 | Group 3 | ||
>5.5~20 | ±0.25 | ±0.35 | ±0.40 | |
>20~30 | ±0.30 | ±0.40 | ±0.50 | |
>30~50 | ±0.40 | ±0.50 | ±0.60 | |
>50~80 | ±0.60 | ±0.70 | ±0.80 | |
>80~110 | ±0.90 | ±1.00 | ±1.10 | |
>110~150 | ±1.20 | ±1.30 | ±1.40 | |
>150~200 | ±1.60 | ±1.80 | ±2.00 | |
>200~280 | ±2.00 | ±2.50 | ±3.00 | |
>280~310 | ±2.50 | ±3.00 | ±4.00 | |
>310~380 | ±3.00 | ±4.00 | ±5.00 | |
Note: The unit is mm. |
Length and tolerance:
Hot Rolled Steel Square Bar | usual length | short length | |
Section Nominal Size | Square bar length | ||
≤75 | 2000~12000 | ≥1000 | |
>75 | 1000~8000 | ≥500 | |
Note: The unit is mm. |
Diagonal length:
Carbon Steel Square Bar | Nominal side length of square bar (a) | Diagonal length ≥ |
<50mm | 1.33 times the nominal side length | |
≥50mm | 1.29 times the nominal side length |
Curvature:
Hot Rolled Steel Square Bar | Group | Curvature per meter | Total curvature (Carbon Steel Bar Length) |
Group 1 | ≤2.5mm | ≤0.25% | |
Group 2 | ≤4.0mm | ≤0.40% |
Dimensions and theoretical weight:
Carbon Steel Square Bar | Nominal side length of square bar a/mm | Theoretical weight/(kg/m) | Nominal side length of square bar a/mm | Theoretical weight/(kg/m) |
5.5 | 0.237 | 56 | 24.6 | |
6 | 0.283 | 58 | 26.4 | |
6.5 | 0.332 | 60 | 28.3 | |
7 | 0.385 | 63 | 31.2 | |
8 | 0.502 | 65 | 33.2 | |
9 | 0.636 | 68 | 36.3 | |
10 | 0.785 | 70 | 38.5 | |
11 | 0.950 | 75 | 44.2 | |
12 | 1.13 | 80 | 50.2 | |
13 | 1.33 | 85 | 56.7 | |
14 | 1.54 | 90 | 63.6 | |
15 | 1.77 | 95 | 70.8 | |
16 | 2.01 | 100 | 78.5 | |
17 | 2.27 | 105 | 86.5 | |
18 | 2.54 | 110 | 95.0 | |
19 | 2.83 | 115 | 104 | |
20 | 3.14 | 120 | 113 | |
21 | 3.46 | 125 | 123 | |
22 | 3.80 | 130 | 133 | |
23 | 4.15 | 135 | 143 | |
24 | 4.52 | 140 | 154 | |
25 | 4.91 | 145 | 165 | |
26 | 5.31 | 150 | 177 | |
27 | 5.72 | 155 | 189 | |
28 | 6.15 | 160 | 201 | |
29 | 6.60 | 165 | 214 | |
30 | 7.07 | 170 | 227 | |
31 | 7.54 | 180 | 254 | |
32 | 8.04 | 190 | 283 | |
33 | 8.55 | 200 | 314 | |
34 | 9.07 | 210 | 323 | |
35 | 9.62 | 220 | 344 | |
36 | 10.2 | 230 | 364 | |
38 | 11.3 | 240 | 385 | |
40 | 12.6 | 250 | 406 | |
42 | 13.8 | 260 | 426 | |
45 | 15.9 | 270 | 447 | |
48 | 18.1 | 280 | 468 | |
50 | 19.6 | 290 | 488 | |
53 | 22.1 | 300 | 509 | |
55 | 23.7 | |||
Note: The theoretical weight in the table is calculated according to the density of 7.85g/m3. |
◆ Purchasing Information
Product name | Carbon Steel Square Bar |
Standard: | ASTM,AISI,JIS,GB, DIN,EN |
Material | A32, AH32, A36, AH36, DH36, D32, DH32 10#, 20#, 45#, Q195, Q215, Q235, Q345, Q235B, Q355B SS490, SM400, SM490 SPHC, SPHD, SPHE, SPHF SEA1002, SEA1006, SEA1008, SEA1010 SPHT1, SHPT2, SPH3, SPH4 or customized |
Technology | Hot Rolled |
Length | 3000~12000mm or customized |
Diameter | 10~300mm or customized |
Width | 3~2000mm or customized |
Surface | natural color, black, mill, polished, brush, galvanized etc |
price terms | FOB,CRF,CIF,EXW all acceptable |
standard export packing | inside:water proof paper,outside:steel covered with strips and pallets |
Certification: | ISO, SGS,BV,Mill Certificate |
Technique | Cold/Hot rolled, Cold-Drawn, or Hot Forged |
Heat Treatment | Annealed; Quenched; Tempered |
Delivery Detail | inventory About 3-5; |
custom-made 15-20; | |
According to order's quantity. | |
*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 stainless steel
grades and assist you through the purchasing process. |