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EN10305 E235 Precision Seamless Steel Tube 0.05 mm Tolernace

Categories Precision Seamless Steel Tube
Brand Name: Cosco Steel
Certification: ISO,SGS,CQC,etc.
Place of Origin: China
MOQ: 500Kgs/ one size
Price: Negotiation
Payment Terms: T/T, L/C at sight
Supply Ability: 600Tons/Month
Delivery Time: 10-15 days
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Process: cold rolled, cold draw, honing, rolled
Standard: GB/T 3639-2000,GB/T 8713,DIN 2391,DIN EN 10305,GB,DIN
Outer Diameter: 4.0 - 400 mm
Thickness: 0.5 - 18 mm
Surface: bare, varnished,oiled, anti-corrosion coating as request
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    EN10305 E235 Precision Seamless Steel Tube 0.05 mm Tolernace


    EN10305 E235 Precision Seamless Steel Tube 0.05 mm Tolernace


    Quick Detail:


    1. Grade:10#,20#,45#,15CrMo,12Cr2Mo,12Cr1MoVG,15CrMoG,St37,St52,St45,ST35,10#-45#,Cr-Mo alloy,ST35-ST52
    2. Standard:GB/T 3639-2000,GB/T 8713,DIN 2391,DIN EN 10305,GB,DIN
    3. Process:cold rolled, cold draw, honing, rolled
    4. Surface Treatment:Bared,Oiled,Paint as required
    5. Surface:bare, varnished,oiled, anti-corrosion coating as request
    6. Thickness:0.5 - 18 mm
    7. Outer Diameter: 4.0 - 400 mm
    8. Application:Hydraulic Pipe
    9. Technique:Cold Rolled
    10. Certification:ISO,SGS,CE
    11. Alloy Or Not:Non-alloy


    Description:

    1. Product Item No.: 006Precision-Cosco Steel
    2. Quality Control:
      Our quality control department consists of experienced technicians. These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.


    EN 10305 E235 precision seamless steel tube


    Introduction:

    Precision seamless steel tube en 10305 e235 precision seamless steel tube is a kind of after cold rolling processing of a kind of high precison steel tube, full name cold rolled precision seamless steel tube. Precision seamless steel tube wall inside and outside the precision seamless steel pipe seamless steel pipe without oxidation layars, under high pressure without lea, high precision, high finish, cold bending deformation, flaring, flattening without cracks,etc, it is mainly used to produce pneumatic or hydraulic components products, such as a cylinder or cylinder, are made seamless tube. the chemical composition of precision seamless steel tube with carbon sulfur C,Si, Mn, S, P, Cr.


    The difference between precision steel pipe and seamless pipe:

    1. the seamless steel tube with obvioue difference is that dimensional accuracy, can be up to 0.1mm.

    2. high precision steel pipe diameter surface finish, the customer without processing can be used directly and ordinary seamless steel tube to the customer and lather, polishing processing.


    Features:

    Precision seamless steel tube en 10305 e235 precision seamless steel tube inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface rust proffing

    1. The smaller outer diameter

    2. High precision to do small batch production

    3. Cold drawn finished products of high precision, good surface quality

    4.The steel pipe transverse area is more complex

    5. Steel pipe is superior performance, dense metal


    Specifiation:

    Standard

    DIN2391, DIN2445, EN10305, GB/T 3639, GB 8713

    Grade

    ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45#

    O.D.

    4.0MM-400MM

    W.T.

    0.5MM-18MM

    Surface Treatment

    bare, varnished,oiled, anti-corrosion coating as request

    Packing

    1. bundle packing

    2. marking as per customer's requests

    3. paint on the pipe as per customer request

    4. pipe caps as customer request

    Condirion of Delivery

    1. NBK(+N)

    after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium

    2. GBK(+A)

    after cold forming, annealing in non oxidizing medium protective gas

    3. BK(+C)

    the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee

    4. BKW(+LC)

    after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)

    5. BKS(+SR)

    have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again

    EN10305 E23 precision seamless steel tube

    Some Demension:

    OD x WT

    OD x WT

    OD x WT

    OD x WT

    4*0.5

    16*0.5

    26*1.8

    35*9.0

    4*0.8

    16*0.8

    26*2.0

    35*10

    4*1.0

    16*1.0

    26*2.2

    38*0.5

    4*1.2

    16*1.2

    26*2.5

    38*0.8

    5*0.5

    16*1.5

    26*2.8

    38*1.0

    5*0.8

    16*1.8

    26*3.0

    38*1.2

    48*5.0

    70*2.8

    90*10

    130*14

    48*5.5

    70*3.0

    90*12

    130*16

    48*6.0

    70*3.5

    90*14

    130*18

    48*7.0

    70*4.0

    90*16

    140*2.5

    48*8.0

    70*4.5

    95*2.0

    140*2.8

    48*9.0

    70*5.0

    95*2.2

    140*3.0

    Tolerance in Dimension:

    OD

    GB/T3639(GB8713)

    DIN2391(EN10305)

    Our Tolerence

    Best Quality

    4-30mm

    ±0.10mm

    ±0.08mm

    ±0.05mm

    ±0.02mm

    31-40mm

    ±0.15mm

    ±0.15mm

    ±0.05mm

    ±0.03mm

    41-50mm

    ±0.20mm

    ±0.20mm

    ±0.05mm

    ±0.03mm

    51-60mm

    ±0.25mm

    ±0.25mm

    ±0.08mm

    ±0.03mm

    61-70mm

    ±0.30mm

    ±0.30mm

    ±0.10mm

    ±0.05mm

    71-160mm

    ±0.30mm

    ±0.30mm

    ±0.10mm

    ±0.05mm

    Tolerance in WT

    ±0.12mm

    ±0.10mm

    ±0.05mm

    ±0.03mm






    Process

    Diameter

    Length

    Precision

    Inner Hole Roughness

    Cold Rolled

    30-100mm

    ≤12 m

    H8-H10

    0.4-1.6

    Cold Draw

    30-250mm

    ≤12 m

    H8-H10

    0.8-1.6

    Honing

    40-500mm

    ≤12 m

    H8-H9

    0.4-0.8

    Rolling

    40-400mm

    ≤7 m

    H8

    0.4






    Inner Diameter

    H8

    H9

    H10


    30mm

    ±0.033

    ±0.052

    ±0.084

    5-30mm

    30-50mm

    ±0.039

    ±0.062

    ±0.100

    ±0.080

    50-80mm

    ±0.046

    ±0.074

    ±0.120


    80-120mm

    ±0.054

    ±0.087

    ±0.140


    120-180mm

    ±0.063

    ±0.100

    ±0.160


    180-250mm

    ±0.072

    ±0.115

    ±0.185


    250-315mm

    ±0.081

    ±0.130

    ±0.210


    315-400mm

    ±0.089

    ±0.140

    ±0.230



    EN10305 E23 precision seamless steel tube

    Mechanical Properties:

    Condition

    Materail Grade

    T.S (MPa)

    Y.S (MPa)

    Elongation(%)

    BKS

    ST35 (10#)

    ≥420

    ≥315

    ≥14

    BKS

    ST45(20#)

    ≥520

    ≥375

    ≥12

    BKS

    ST52(16Mn)

    ≥580

    ≥420

    ≥10

    GBK

    ST35 (10#)

    ≥315


    ≥35

    GBK

    ST45(20#)

    ≥390


    ≥32

    GBK

    ST52(16Mn)

    ≥490


    ≥30

    NBK

    ST35 (10#)

    340-470

    ≥235

    ≥32

    NBK

    ST45(20#)

    440-570

    ≥255

    ≥30

    NBK

    ST52(16Mn)

    490-630

    ≥335

    ≥28


    Application:


    Precision pipe en 10305 e235 precision seamless steel tube widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.



    Our advantage

    We owned special equipment for manufacturing various high precision products

    1. High-precision cold drawing unit
    2. Bright annealing oven
    3. Straighter
    4. 100% UT inspection if buyer requested
    5. 100% ET inspection if buyer requested
    Quality EN10305 E235 Precision Seamless Steel Tube 0.05 mm Tolernace for sale
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