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cold drawn bright steel bar
Cold drawn steel bar is made from special quality hot rolled steel bar or hot rolled steel wire rod. It is drawn through a round die by reducing the cross-sectional area of the bar and giving it a smooth surface. Cold drawn steel round bars have greater size accuracy, straightness and increased tensile and yield strength as well as improved machinability. We produce cold drawn steel bars include cold drawn steel round bar, cold drawn square steel bar, cold drawn hexagonal steel bar and cold drawn flat steel bar. Except getting various steel bar shapes and profiles, precision dimensions and better surface finish, after cold drawing, we can get higher cold drawn steel bar properties especially cold drawn steel bar yield strength and tensile strength.
Cold drawn steel advantages:
1) Smooth and bright surface: No any cracks or scales
2) Good surface roughness: 0.6um min
3) Good straightness: 0.5mm/m
4) Precision size tolerance: h9, h10, h11
5) Higher mechanical properties: Yield strength is higher
6) Anti-rusty packages: Oil painting and two layers plastics wrapped or wooden box package
7) Fast delivery time: Within 30 days
8) Competitive price
Cold Drawn Steel Bar Process: EAF + LF + VD + CONCASTING BILLETS + HOT ROLLED + SHOT BLASTING +(ANNEALING) + COLD DRAWN + OILING + BUNDLING + BOTH ENDS CUTTING+ PACKING + MARKING
Cold drawn steel bar applications: hardware tools, auto parts, standard parts, fasteners common shaft, machinery manufacturing, light industry, hardware, bicycles, cars, motorcycles, textile machinery, transformers and other machinery industry
Cold drawn steel grade and material:
aisi 1018 cold drawn steel / sae 1018 cold drawn steel / aisi 1020 cold drawn steel / aisi 1030 cold drawn steel / sae 1040 cold drawn steel / aisi 1045 steel cold drawn equivalent / sae 1050 cold drawn steel / 4140 cold drawn steel ……
|
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 |
Cold drawn steel bar shapes, profiles 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) |
Cold drawn steel bar dimensional tolerances:
|
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 |
We
are a cold drawn steel manufacturer and producer with full sets of production
facilities and advanced testing equipments. We have grinding and polishing
machines to supply cold drawn bright steel bar with quite good surface
roughness. We have disc saw cutting machines to customize the special bar
length for you. We have straightening machine to guarantee the cold drawn steel
bar straightness. If you have special steel bar demands, feel free to contact
to us. We’d like to support you in technical questions and customized demands.
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Main Product:
Cold Drawn Steel Bar,
Bright Steel Bar,
Heat Treated Steel Bar and Tube,
Threaded Rods,
High Strength Steel Tie Rod ,
High Strength Steel Bolts
