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Oil cylinder Seamless Precision Steel Tube EN10305-2 6--11.4mm

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Description

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?Oil cylinder Seamless Precision Steel Tube EN10305-2 ?6--11.4mm
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Quick?Detail:

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EN10305-2 Welded Precision steel tubes is popular in the hydraulics, being used to make hollowed chrome plated telescopic cylinders and hydraulic rods. It is also popular for large bore, heavy walled, high pressure hydraulic cylinders. Cold Drawn Seamless tubes also find uses in heavy equipment manufacturing such as cranes and garbage trucks.

Standard: EN10305-2

Grade: E155,E195,E235,E275,E355

OD. Range:6mm – 114.3mm

Wall thickness: 1mm-15mm

Length: Max length 12M

Type: Seamless

Packaging detail: Bundles with plastic paper packaged or wooden box package

Delivery date: 10-30days

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Description:
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Precision steel tubes used in hydraulic system, automobile and precision machinery parts ?for cars and cylinder.

Standard: EN10305-2

Grade: E155,E195,E235,E275,E355

OD. Range:6mm – 114.3mm

Wall thickness: 1mm-15mm

Length: Max length 12M

Type: Seamless

Packaging detail: Bundles with plastic paper packaged or wooden box package

Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)

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Applications:
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hydraulic?system
automobile
precision?machinery?parts??for?cars?and?cylinder.?
Auto?industry
Oil?cylinder?tube
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Specifications:
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Grade and Chemical Composition ( ％ )

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Grade | Chemical Composition (%) |
Steel Name | Steel Number | C(Max) | Si(Max) | Mn(Max) | P(Max) | S(Max) | Cr | NI | Cu | Mo | V | ? |
E155 | 1.0033 | 0.11 | 0.35 | 0.70 | 0.03 | 0.025 | - | - | - | - | - | ? |
E195 | 1.0034 | 0.15 | 0.35 | 0.70 | 0.03 | 0.025 | - | - | - | - | - | ? |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.03 | 0.025 | ? | ? | ? | ? | ? | ? |
E275 | 1.0225 | 0.21 | 0.35 | 1.40 | 0.03 | 0.025 | ? | ? | ? | ? | ? | ? |
E355 | 1.0580 | 0.22 | 0.35 | 1.60 | 0.03 | 0.025 | ? | ? | ? | ? | ? | ? |
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Mechanical properties

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Steel Grade | Minimum values for the delivery condition |
Steel Name | Steel Number | (+C c ) | (+LC c ) | (+SR) | (+A d ) | (+N)NBK | ? |
Rm Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH e Mpa | A% | ? |
E155 | 1.0033 | 400 | 6 | 350 | 10 | 350 | 245 | 18 | 260 | 28 | 28 | 270-410 | 155 | ? |
E195 | 1.0034 | 420 | 6 | 370 | 10 | 370 | 260 | 18 | 290 | 28 | 28 | 300-440 | 195 | ? |
E235 | 1.0308 | 490 | 6 | 440 | 10 | 440 | 325 | 14 | 315 | 25 | 25 | 340-480 | 235 | ? |
E275 | 1.0225 | 560 | 5 | 510 | 8 | 510 | 375 | 12 | 390 | 21 | 21 | 410-550 | 275 | ? |
E355 | 1.0580 | 640 | 4 | 590 | 6 | 590 | 435 | 10 | 450 | 22 | 22 | 490-630 | 355 | ? |
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A Rm: tensile strength; ReH: upper yield strength; A: elongation after fracture
B 1Mpa=1N/mm 2
C Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strength.
D For calculation purposes the following relations are recommended:
For delivery condition +C: ReH≥ 0.8Rm for delivery condition +LC: ReH≥ 0.7Rm
E For calculation purposes the following relation is recommended: ReH≥ 0.5Rm
F For tubes with outside diameter≤ 30mm and wall thickness≤ 3mm the ReH minimum values are 10Mpa lower than the values given in this table. |
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