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skype:reandy2000
whatsapp+86 13869524757
Varieties
Processing the form |
Cylinder diameter |
Length |
Straightness |
Dimensional accuracy |
Wall thickness |
Inner hole roughness |
cold drawn |
48~325 |
≤ 12m |
0.3~0.8mm/m |
±10% |
0.8~1.6µm |
|
honing |
48~325 |
≤10m |
0.3~0.8mm/m |
H8~H9 |
±10% |
0.3~0.8µm |
rolling |
50~250 |
≤ 9m |
0.3~0.8mm/m |
H7~H9 |
±10% |
0.01µm |
Mechanical Properties
Material |
Tensile strength |
Yield strength |
Elongation |
Hardness |
20# |
530σbN/mm2 |
505σbs/mm2 |
12σs% |
175HB |
45# |
660σbN/mm2 |
630σbs/mm2 |
6σs% |
207HB |
16Mn |
595σbN/mm2 |
570σbs/mm2 |
9σs% |
190HB |
27SiMn |
840σbN/mm2 |
805σbs/mm2 |
7.5σs% |
230HB |
Our selection of steel bars is extensive,with variations of shapes,widths and lengths.
1. Abundant production experience
Wuxi Janda Hydraulic Technology Co., Ltd., founded in 2008,focused on precision cold drawnsteel tube,honing pipe,anchor drill and hydraulic cylinder research and producing, after years of practice, has the abundant technical force and the good team.
2. Quality raw materials
In order to improve product quality and reduce production cost, we always choose carefully and reserved the quality of the material after test and used.Our raw material suppliers are Baosteel Group Co., Ltd. and Tianjin iron and Steel Group Co., Ltd..
3. The advanced processing equipment
Our Company is provided with the advanced production and processing equipment, measuring instruments and the first-rate working environment, thus making this enterprise have a stronger production capability and market competitiveness.
4. Complete specification
We have various specifications of the mold. And we have products with best quality and complete specifications to guarantee the timely service.
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