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Din 2391 EN 10305-1 1010 1020 E355 E235 24 mm High Precision Seamless Steel Tubes

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Din 2391 EN 10305-1 1010 1020 E355 E235 24 mm High Precision Seamless Steel Tubes

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Brand Name : Torich

Model Number : Din 2391 EN 10305-1

Certification : IS09001 ISO14001 TS16949

Place of Origin : China

MOQ : 2 tons

Price : Negotiation

Payment Terms : L/C, D/A, D/P, Western Union, Western Union, MoneyGram

Supply Ability : 60000tons per year

Delivery Time : 7-15 week days

Packaging Details : In bundles or in wooden boxes packaging

Production name : Din 2391 EN 10305-1 1010 1020 E355 E235 24 Mm High Precision Seamless Steel Tubes

Material : 1010 1020 E355 E235

Length : 6m or as per custom requests

Origin : China

Feature : High precison

Maching : Yes

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Din 2391 EN 10305-1 1010 1020 E355 E235 24 Mm High Precision Seamless Steel Tubes

Characteristic:

1.Bright annealing treatment on steel tubes, have a clean in side and out size diameter,Besides, what is suitable for bending any angle for your produce your production.

2.Galvanizing on tubes can bear the Salt spray test above 72 hours.

3.Steel tubes produce by cold drawn and cold rolled many times ,With a good tolerance on OD and WT.

Hydraulic and pneumatic cylnder tube standard/size/tolerance

Working method


Tube ID

(mm)

Length

(m)
Straightness
(mm/m)

Tolerance

on ID

Tolerance

on WT


ID Roughness

(um)
Cold Draw 40-400 ≤12m 0.2-0.5 　/ ±5% ≤1.6
Cold Rolled 40-150 ≤12m 0.2-0.5 　/ ±5% ≤0.8
Cold Draw-Honed 40-400 ≤8m 0.2-0.3 H8-H9 ±5% ≤0.4
Cold Draw-Rolling 50-300 ≤8m 0.2-0.3 H8-H9 ±5% ≤0.4
Deep hole boring-Roing 250-400 ≤8m 0.2-0.3 H8-H9 ±8% ≤0.8
Deep hole boring-Honed Roing 250-400 ≤8m 0.2-0.3 H8-H9 ±8% ≤0.4

Mechancial property
　

Final supply condition

Steel grade

 Cold finished(hard)(BK) (Cold drawn and stress-relieved(BK+S)

T.S

bN/mm2

 Elogation 5% T.S bN/mm2 Y.S Bn/mm2 Elogation 5% Hardness HB Impact value(-20℃)J
20 ≥550 ≥8 ≥520 ≥400 ≥15 170 /
45 ≥680 ≥5 ≥630 ≥520 ≥12 190 /
Q345B ≥660 ≥8 ≥620 ≥520 ≥15 190 /
Q345D ≥660 ≥8 ≥620 ≥520 ≥15 190 ≥27
25Mn ≥640 ≥8 ≥620 ≥510 ≥15 190 /
27SiMn ≥780 ≥5 ≥700 ≥580 ≥10 210 /
E355 ≥700 ≥8 ≥650 ≥580 ≥15 195 ≥27

Application : Hydraulic tubes.

Material: St35 St45 St52 E355

Standard : DIN 2391 EN10305-1

Surface treatment: Galvanizing, to protect material from rust.

OD : 4- 20mm

WT :0.5-10 mm

Din 2391 EN 10305-1 1010 1020 E355 E235 24 mm High Precision Seamless Steel Tubes

Din 2391 EN 10305-1 1010 1020 E355 E235 24 mm High Precision Seamless Steel Tubes


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