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GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm

    • GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
    • GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
    • GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
    • GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
  • GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm

    Product Details:

    Place of Origin: China
    Brand Name: Torich
    Certification: ISO9001 TS16949 ISO14001
    Model Number: GB/T18704

    Payment & Shipping Terms:

    Minimum Order Quantity: 5tons
    Price: 900-3000USD
    Packaging Details: In bundles
    Delivery Time: 5-8weeks
    Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability: 50000tons per year
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    Detailed Product Description
    Material: Carbon Steel+Stianless Steel Size: 12.7mm - 325mm
    Length: 0-12m Characteristic: Clad Pipes
    End Protector: Plain

    Product Name:TORICH GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes for Structural Purposes
    Standard: GB/T18704
    OD: 12.7 - 325 mm
    WT: 0.8 - 12 mm
    Length: 1-8m or according to customers' actual application and production.
    Application:public facilities. Vehicle and ship manufacturing. Road guardrail. Furniture. Medical apparatus and instruments
    Steel Grade:Q195 Q235 06Cr19Ni10 12Cr18Ni9 12Cr18Mn9Ni5N 12Cr17Mn6Ni5N
    Technology: Continuous welding molding

    Tolerance of OD

    Surface delivery condition Nominal outside diameter Tolerance
    Polishing,Polish
    (SB,SP)
    ≤25 ±0.25
    >25~40 ±0.30
    >40~50 ±0.35
    >50~60 ±0.40
    >60~70 ±0.50
    >70~80 ±0.60
    >80 ±1%D
    Unpolished,Sand blasting(SNB,SS) ≤25 ±0.30
    >25~50 ±0.40
    >50 ±1.0%D


    Tolerance of WT

    Wall thickness(S) Tolerance(high-grade) Tolerance(medium grade)
    ≥0.8~2.0 ±0.10 ±0.20
    >2.0~3.0 ±0.15 ±0.30
    >3.0 ±5%S ±10%S


    Chemical composition

    No. Unified digital code New steel grade Old steel grade Chemical composition
    C Si Mn P S Ni Cr N
    1 S35350 12Cr17Mn6Ni5N 1Cr17Mn6Ni5N ≤0.15 ≤1.00 5.50~7.50 ≤0.050 ≤0.030 3.50~5.50 16.00~18.00 0.05~0.25
    2 S35450 12Cr18Mn9Ni5N 1Cr18Mn8Ni5N ≤0.15 ≤1.00 7.50~10.0 ≤0.050 ≤0.030 4.00~6.00 17.00~19.00 0.05~0.25
    3 S30210 12Cr18Ni9 1Cr18Ni9 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.030 8.00~10.00 17.00~19.00 ≤0.10
    4 S30408 06Cr19Ni10 0Cr18Ni9 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 8.00~11.00 18.00~20.00 -


    Mechanical property

    No. Unified digital code New steel grade Old steel grade Yield strength
    Rp0.2/MPa
    Tensile
    Strength
    Rm/MPa
    Elongation A/
    1 S35350 12Cr17MnNi5N 1Cr17Mn6Ni5N 245 520 25
    2 S35450 12Cr18Mn9Ni5N 1Cr18Mn8Ni5N 245 520
    3 S30210 12Cr18Ni9 1Cr18Ni9 210 520 30
    4 S30408 06Cr19Ni10 0Cr18Ni9 210 520

     

    QUALITY CONTROL

    1~ Incoming Raw Material Inspection
    2~ Raw Material Segregation to avoid steel grade mix-up
    3~ Heating and Hammering End for Cold Drawing
    4~ Cold Drawing and Cold Rolling, on line inspection
    5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
    6~ Straightening-Cutting to specified length-Finished Measuring Inspection
    7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
    8~ Packing and Stocking.

    100% of our steel tubes are dimensionally checked
    100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
    100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.


    GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
    GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm

    Contact Details
    Torich International Co.,Ltd

    Contact Person: Mr. Richard

    Tel: 86-574-88086983

    Fax: 86-574-88086983

    Send your inquiry directly to us (0 / 3000)