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JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

Categories Precision Seamless Steel Tube
Brand Name: Cosco Steel
Model Number: STKM11A,STKM12A ,STKM12B ,STKM12C ,STKM13A ,STKM13B ,STKM13C ,STKM14A ,STKM14B ,STKM14C
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: 25-30 days
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Outside Diameter: 4mm-90mm
Steel Grade: Carbon steels,alloy steels
Wall Thickness: 1mm-10mm
Pipe Standard: ASTM , DIN, GB, EN, JIS etc
Usage: Bicycle,motorcycle,automobile etc
Tolerance: OD+/- 0.05, WT: +/-5%*S, or by agreement
Technique: Cold Drawn
Surface Treatment: Galvanized
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    JIS G3445 DIN2391 High precision stainless steel tubing for Automobile


    JIS G3445 DIN2391 High precision stainless steel tubing for Automobile


    Description:

    1. Product Item No.: 004Precision-Cosco Steel
    2. OD:6-80mm, WT:1-10mm, Length: 3000mm or 6000mm/pc
    3. Tolerances: OD+/- 0.05, WT: +/-5%*S, or by agreement
    4. Steel Grade: St30Al, St35, St37, St37.4, St44, St45, St52.4, E195, E235, E255, E355
    5. Delivery conditions: BK, BKS, BKW, NBK, GBK
    6. Tube ends: tubes are delivered with plain ends without burrs at the ends of the tube. Upon request, ends could be plugged with plastic caps
    7. Testing : Testing is performed in accordance with corresponding standards or by agreement
      • flattening test , drift expanding test, flaring test, bending test
      • mechanical properties test
      • NDT for detection of transverse imperfections and wall imperfections
    8. Packing and Protective coating:
      Finished tubes are heat treated in protetive atmosphere, and light oiled, packed in round or hexagonal bundles with weight max.2000 kg. Other possibilities by agreement
    9. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
    10. H.S Code: 7304.9000
    11. Material: A/SA179, A/SA192,

    20Cr / AISI5120/ Scr420/ 20Cr4; 30CrMo/ AISI4130/ SCM430/ 25CrMo4

    40Cr/ AISI5140/ Scr440/ 41Cr

    ST35/ 1.0308; ST37.4/1.0255;ST45/1.0408 etc.


    Standard:

    American Standard ASTM A106, ASTM A519, ASTM A513,ASTM A179

    Germany Standard DIN2391, DIN2445

    Japanese Standard JIS G3445 etc

    European Standard EN10305


    Applications:


    We,this type seamless steel pipe be widely used in kinds of industries:

    1. Bicycle spindle, hub, carriage, handle of children cart
    2. Automobile oil duct, oil, duct connector, shock absorb-er,sun visor,level joy stick
    3. Sports equipment,electric roller
    4. Sewing machine, medical equipment

    Specifications


    Standard:JIS G3445
    USES:Applicable to machinery, automobile, bicycle, furniture, appliances and other mechanical parts with carbon steel pipe


    The main production steel grades:
    STKM11A, STKM12 (A, B, C), STKM13 (A, B, C), STKM14 (A, B, C)


    StandardChemical Composition(%)
    Steel GradeCSiMnPS
    JIS G3445STKM11A≤0.12≤0.35≤0.60≤0.040≤0.040
    STKM12A≤0.20≤0.35≤0.6≤0.040≤0.040
    STKM12B
    STKM12C
    STKM13A≤0.25≤0.350.30-0.90≤0.040≤0.040
    STKM13B
    STKM13C
    STKM14A≤0.30≤0.350.30-1.00≤0.040≤0.040
    STKM14B
    STKM14C

    Mechanical Properties
    Steel Grade(Mpa)Tensile Strength(Mpa)Yield Strength(%)Elongation
    JIS G3445STKM11A≥295≥35
    STKM12A≥345≥175≥35
    STKM12B≥390≥275≥25
    STKM12C≥470≥355≥20
    STKM13A≥375≥215≥30
    STKM13B≥440≥305≥20
    STKM13C≥510≥380≥15
    STKM14A≥410≥245≥25
    STKM14B≥500≥355≥15
    STKM14C≥550≥410≥15

    Process



    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 JIS G3445 DIN2391 High precision stainless steel tubing for Automobile for sale
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