Share on (60357863935):
A36 1020 1045 10B21 Bright Steel Bar
Cold Drawn/Peeled/Polished
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+
oil+packaging
Main Materials:
GB | JIS | AISI/SAE/ASTM | DIN |
Q235 | SS400/SS41 | A36 | S235JR/ST37-2 |
20# | S20C | 1020 | C22 |
35# | S35C | 1035 | C35 |
45# | S45C | 1045 | C45/CK45 |
55# | S55C | 1055 | C55 |
40Cr | SCr440 | 5140 | 41Cr4 |
20CrMo | SCM420 | 4120 | 25CrMo4 |
30CrMo | SCM430 | 4130 | 25CrMo4 |
35CrMo | SCM435 | 4135 | 34CrMo4 |
42CrMo | SCM440 | 4140 | 42CrMo4 |
50CrMo | ---- | 4150 | ---- |
20CrNiMo | ---- | 8620
| 21NiCrMo2 |
40CrNiMo | ---- | 4340 | ---- |
55CrMn-60CrMn | SUP6-SUP9 | 5160 | 55Cr3 |
GCr15 | SUJ2-SUJ5 | 52100 | 100Cr6 |
Shapes and Sizes
Shapes | Sizes |
cold drawn steel round bar | 8mm to 100mm |
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 |
Established in April, 2009, under the leadership of the builder who is specialized in steel producing for 25 years, with rich steel technology and knowledge, LAIWU LE REN TRADE CO., LTD. Forges one professional steel exporting team and builds one steel further processing factory.
Supplying professional Service
Our management philosophy: To exceed customers’ expectation; To realize employees’ dream. As a processional steel exporting company, we aim to help the customers to create the commercial value by supplying steel solutions, to solve customers’ pain points and to supply efficient, thoughtful and professional service.
Focusing on high-quality goods
Our steel processing factory, SHANDONG LE SHAN MACHINERY CO., LTD aims to provide personalized demand products with good mechanical properties. Our factory is equipped with advanced machines such as cold drawing machines, peeling machines, fine straightening machines, fast cooling cutting machines, centerless grinding machines, continuous annealing furnaces, medium frequent Q&T machines, Ultra testing and Eddy current testing assembly line and complete testing equipment in Lab under the guidance of ISO9001 Quality Management System. Our products are widely used in the high strength and prestressed projects in industries of oil & gas, petrochemical, bridge, tunnel, wharf, steel structure construction etc. The annual productivity is 40,000.00 tons.

A: We have our own factory with complete production equipment and inspection facilities.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us sa bellow:
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