Model No.: CX-HT
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
Whether Alloy: Non-Alloy
Tolerance: ±5%, ±1%, ±3%
Category: Seamless Steel Pipe
Production Process: Cold Drawn
OD Treatment: NBK
Sureface Treatment: black phophated
| Selling Units | : | Metric Ton |
| Package Type | : | Seaworthy export packing |
| Picture Example | : |
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Product:ST52.4 cold drawn Seamless Hydraulic Tubing
Keyword:ST52.4 seamless Hydraulic Tubing / ST52.4 cold drawn hydraulic tubing / ST52.4 hydraulic tubing
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.
Hydraulic tubing is a kind of cold drawn seamless steel tube used for hydraulic system and can be classified as precision steel tube.
We manufacture cold drawn seamless hydraulic tubing with grade like ST52.4, E235,E355.
1. Commodity: cold drawn seamless steel hydraulic tubing
2. Size range: 6mm*1mm-80mm*12.5mm
3. Standard specification & Steel Grade:
| EN 10305-4: | E215,E235,E355 |
| DIN 2445-2: | ST 35.4, ST 52.4 |
5. Delivery Condition: Normalized, phosphate
6. Chemical composition:
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C | Si | Mn | P | S |
| ST35.4, E235 | 0.17% max | 0.35% max | 1.20% max | 0.025% max | 0.015% max |
| ST52.4, E355 | 0.22% max | 0.55% max | 1.60% max | 0.025% max | 0.015% max |
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ST 35.4, E235 | ST 52.4, E355 |
| Tensile Strength: | 340 Mpa - 480 Mpa | 490 Mpa - 630 Mpa |
| Yield Strength: | 250 Mpa min | 355 Mpa min |
| Elongation: | 25% min | 22% min |
9. Packing: in bundles tied with steel strips.
Category Keyword: unhoned tube,unhoned tubing,cold drawn unhoned tube,cold drawn honed tubing,China unhoned tube,unhoned tube for hydraulic cylinder
Unhoned tube is a kind of cold drawn or hot rolled and deep hole bored seamless tube suitable for further honing or skiving&roller burnishing.
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