Model No.: CX-PT
Brand: CHENGXIN
Standard: Bs, Gb, Astm, Jis, Din
Material: St35-St52, Cr-Mo Alloy, Stpg42, Q195-Q345, 10#-45#, 16mn, Stb35-Stb42
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Hydraulic Pipe, Structure Pipe
Production Process: Cold Rolled
Whether Alloy: Non-Alloy
Tolerance: ±5%
Category: Seamless Steel Pipe
OD Treatment: OD machining
ID Treatment: Honing
| Selling Units | : | Metric Ton |
| Package Type | : | Seaworthy export packing |
| Picture Example | : |
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precision tube, also named precision steel tube, is a kind of cold drawn Steel Tube or cold rolled steel tube.
Precision tube is basically a kind of steel tube with precision size tolerance or smooth surface.
Seamless Precision Tube can be classified as carbon steel precision tube and alloy steel precision tube.
Since 1998, Changzhou Chengxin Metal Products Co.,Ltd is focusing on manufacturing of steel pipes&tubes. Started as an ERW steel tube manufacturer, we have built our brands of small and medium size ERW steel tubes in Jiangsu Province. With market and demand change as well as technology improvement,we are devoting ourselves to precision tube manufacturing since 2006.
Two sections are involved here:Cold drawn steel tubes and ERW steel tubes. Till now,we have now been a manufacturers of hydraulic cold drawn steel tubes with capacity of 25000 tons and ERW steel tubes with capacity of 15000 Tons.
Covering an area of about 32000M² with building area of 22000M², we are proud to introduce ourselves as an experienced tube solution provider and reliable partner for various industrial application like hydraulic cylinder,automotive,machinery,etc.
The section of cold drawn steel tubes consists of two advanced hydraulic cold drawing benches(300 tons` power and 250 tons` power),3 heat treating furnaces,4 honing machines and 2 skiving&roller burnishing machines,we are able to manufacture and supply tubes with big size range from 50mm to 325mm in OD and various steel grades covering carbon steel, carbon-Manganese steel, and chrome-molybdenum steel.
The section of ERW steel tubes consists of 2 ERW mills including one high precision ERW steel tube mill.Here,you can find carbon steel and carbon-manganese steel ERW steel tubes with round,square,rectangular,oval shape and bright&smooth or black surface from 8mm to 70mm in OD.Especially,the 3 chain cold drawing benches enables to us to manufacture cold drawn ERW steel tubes for our customers.
Quality assurance system of ISO9001-2008 is strictly applied here and tests&inspections like tensile test,hardness test,impact test,chemical analysis,non-destructive detection are carried out strictly as per standard specification and customers` technical requirement.
We are always here and ready to supply quality tubes,good service,and firm support for customers all over the world.
Seamless precision steel tube can be classified as cold drawn precision tube and cold rolled precision tube.
Precision steel tube is always with tight tolerance of OD or ID or very smooth surface.
Precision tube is always customized.
Keyword: precision tube,cold drawn precision tube,precision steel tube,seamless precision tube,seamless precision steel tube
1. Commodity: Cold drawn seamless steel tubes
2. Size range: 12mm*2mm-325mm*35mm
3. Standard specification & steel grade:
| ASTM A519: | 1010,1020,1026,1045,1518,1524,1541,4130,4140,4145,4340,8620 |
| EN 10305-1: | E195,E235,E355,C35E,C45E,25CrMo4,42CrMo4 |
| DIN 2391-2: | ST35, ST45, ST52 |
| JIS G3445: | STKM 11A/B/C, STKM 12A/B/C, STKM 13A/B/C |
| GB/T3639: | 10#,20#,45#,16Mn,25Mn,27SiMn |
5. Delivery condition:
| BK | BKW | BKS | GBK | NBK | Q+T |
| +C | +LC | +SR | +A | +N | Q+T |
| Cold rolled | Cold drawn | Stress Relieved | Annealed | Normalized | Quenched+Tempered |
7. Ovality: controlled within OD & ID tolerance
8. Straightness: 0.8mm/1000mm max
9. Marking on each piece of tube: as pre request
10. Packing: in bundles tied with steel strips. Int & ext oil coating. External packing by PVC bags and knit bags.
product Keyword: precision tube,precision steel tube,seamless precision tube,seamless precision steel tube
Seamless precision tube is a kind of cold rolled or cold drawn seamless tube with tight size tolerance or special quality surface.
Seamless precision tube is a kind of cold rolled or cold drawn seamless tube with tight size tolerance or special quality surface.
Hydraulic cold drawing bench:
Straightening machine:
Automatic saw cutting machine:
Eddy current + ultrasonic combined NDT system:
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