Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
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EN 10305-1 E235 E355 +N Cold Drawn Seamless Steel Tube Cold Drawn Precision Tube
Description
Product Name : EN 10305-1 E235 E355 +N cold drawn precision products seamless steel tube and pipe
Shape : Round
Outer Diameter: 5 - 250 mm
Thickness: 2 - 30 mm
Grade : 20# 45# 25Mn Q345
ID tolerance:H8 H9
Delivery Condition: BK/BKW/BKS/GBK/NBK
Technique : Cold drawn+SR
Technical specification : suitable for SK+RB/Honed or skived and telescopic hydraulic cylinder tube
Surface quality : Good quality after coating
Delivery Time: Within 20-30 days after receiving payment or as client’s request
Trade Terms: FOB Yantai, Qingdao, or as client’s request
Payment Terms: T/T or L/C or as client’s request
Supply Ability: 500 metric tons/per month
TOL:
| ID size | ID deviation (mm) | |||
| H7 | H8 | H9 | H10 | |
| 30 |
+0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
| >30~50 |
+0.025 0 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
| >50~80 |
+0.030 0 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
| >80~120 |
+0.035 0 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
| >120~180 |
+0.040 0
|
+0.063 0 |
+0.100 0 |
+0.160 0 |
| >180~250 |
+0.046 0 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
| >250~315 |
+0.052 0 |
+0.081 0 |
+0.130 0 |
+0.210 0 |
| >315~400 |
+0.0527 0 |
+0.089 0 |
+0.140 0 |
+0.230 |
Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can also offer ascustomized seamless steel tube.
Shipment:
Packing: Packed in hexagonal shape bundles wrapped with strong steel strips, 2MT/Bundle
Pipe End: Pipe end with plastic caps to protect pipe and container, Plain end below 2" , Bevelled end above 2" or as per customer’s requirements.
Application: Oil & Gas Industrial , Vessel Construction, Water Transportation
Packing: Wooden Case or Pallets
Oil-Coating, Varnish, or End-Protection by Plastic Caps to Be Confirmed.
The seamless steel tube has a hollow section, which is used as a pipeline for conveying fluids, such as pipes for oil, gas, gas, water and certain solid materials.Compared to the steel pipe and round steel solid steel bending torsional strength phase at the same time, the weight is lighter, is a kind of economic cross section steel, widely used in the manufacture of structural and mechanical parts, such as petroleum drill pipe, auto transmission shaft, bicycle frame and construction of steel scaffolding is used with steel pipe manufacturing annular parts, such as can improve material utilization, simplifying the manufacturing process, material saving and processing time, has been widely used to make steel pipe