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- Size: 110
- Place of Origin: SHANDONG
- Brand Name: Shandong Le Shan Machinery
- Model Number: 10B21 1020 1045
- Weight: 80.000 kg
10B21 1020 1045 cold drawn round bar/cold finished carbon steel bars
Production Process:
Drawn Bar:
EAF LF VD concasting billets hot rolled pickling/peeling (annealing) cold drawn oiling packing
Peeling and Polishing Material :
Hot rolled steel bar rough straightening peeled straightening polished UT test oiling packaging
Package:
Plastic film wrapped outside, woven bag wrapped outside
SHANDONG LE SHAN MACHINERY CO.,LTD. Is located in Laiwu city, Shandong province with 3.000.000RMB of registered capital, The company mainly conducts various kinds of cold drawn steel bright bars, heat treated steel products and other steel bars further processing and distributing.
With rich steel knowledge, professional employee and advanced facilities, the quality is guaranteed to reach customers’ quality requirement in different applications. Besides, the company cooperates with LAIWU STEEL laboratory to test the microstructure and mechanical properties of cold drawn bars as customer’s specification.
The designed annual production capacity is about 20.000 tons.
The company aims to provide steel solution and create values for customers. The Business philosophy is to exceed customers’ expectation and to realize staff’s dream.
The company products are widely exported to South Korea, Taiwan, South East Area, India, Middle East Area, South African and European countries.
- Size: 110
- Place of Origin: SHANDONG
- Brand Name: Shandong Le Shan Machinery
- Model Number: 10B21 1020 1045
- Weight: 80.000 kg
Chemical Composition
Grade | C | Si | Mn | P | S | B |
1020 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | Max 0.030 | Max 0.030 | - |
1045 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | Max 0.030 | Max 0.030 | - |
10B21 | 0.18-0.23 | ≤0.10 | 0.70-1.00 | Max 0.030 | Max 0.035 | Max 0.0005 |
Mechanical Properties
Grade | Tensile strength | Yield strength | Reduction of area | Elongation |
1020 | 410MPA | 245MPA | 55% | 25% |
1045 | 600MPA | 355MPA | 40% | 16% |
10B21 | 500MPA | 345MPA | 73% | 27% |
Shapes and Sizes
Shapes | Sizes |
cold drawn steel round bar | 3.8mm to 150mm |
cold drawn steel square bar | 8*8mm to 100*100mm |
cold drawn steel flat bar | (6mm to 60mm)*(60mm to 100mm) |
cold drawn steel hexagonal bar | 19mm to 70mm(side to side) |
Size | Size Tolerence | |||||
8 | 9 | 10 | 11 | 12 | 13 | |
h8 | h9 | h10 | h11 | h12 | h13 | |
Size Tolerence in mm | ||||||
3 | 0/-0.014 | 0/-0.025 | 0/-0.040 | 0/-0.060 | 0/-0.15 | 0/-0.14 |
>3~6 | 0/-0.018 | 0/-0.030 | 0/-0.048 | 0/-0.075 | 0/-0.12 | 0/-0.18 |
>6~10 | 0/-0.022 | 0/-0.036 | 0/-0.058 | 0/-0.090 | 0/-0.15 | 0/-0.22 |
10~18 | 0/-0.027 | 0/-0.043 | 0/-0.070 | 0/-0.110 | 0/-0.18 | 0/-0.27 |
18~30 | 0/-0.033 | 0/-0.052 | 0/-0.084 | 0/-0.130 | 0/-0.2l | 0/-0.33 |
30-50 | 0/-0.039 | 0/-0.062 | 0/-0.100 | 0/-0.160 | 0/-0.25 | 0/-0.39 |
50~80 | 0/-0.046 | 0/-0.074 | 0/-0.120 | 0/-0.190 | 0/-0.30 | 0/-0.46 |