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Cusomized seamless cold drawn steel tube with black annealed out surface 27SiMn

Categories Hydraulic Cylinder Steel Tube
Brand Name: UST
Model Number: OD: 30-450mm; WT: 2-40mm
Certification: ISO 9001
Place of Origin: China
MOQ: 5 tons.
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 3000 ton/month
Delivery Time: Within 15-35 days
Packaging Details: Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Price: USD 800- 3000/ton
Application: Hydraulic equipment
Process: Cold drawn, honed, skived, scraping rolling
Inner tolerance: H7-H10
Length: Random length or fixed length
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    Cusomized seamless cold drawn steel tube with black annealed out surface 27SiMn

    Cusomized Seamless Cold Drawn Steel Tube with Black Annealed Out Surface 27SiMn


    OVERVIEW


    The material 27SiMn has high hardenability. 27SiMn teel’s toughness decreases not much as heat treatment, but material 27SiMn has very high strength and abrasion resistance, especially when water quench, grade 27SiMn still has high toughness. However 27SiMn steel is sensitivity to the white dots very much and 27SiMn is sensitivity to temper brittleness tendency and overheating when heat treatment.
    27SiMn is mainly used under tempering condition and used in the manufacture of high toughness and wear resistance of hot stamping.27SiMn can also used under fire or hot rolling using supply condition, such as the tractor caterpillar pin, etc.

    APPERANCE


    Tube shall have a smooth internal and external surface consistent with cold working process, tube inner surface should be free from rust, scratches and other surface irregularities.


    USAGE SCOPE


    Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application


    STANDARD SPECIFICATIONS


    ProcessSeamless, cold drawn, honing tube
    ShapeRound
    Size Range

    Cold Drawn: 6-426mm OD; 1-40mm WT

    Hot Finished: 32-1200mm OD; 3.5-200mm WT

    ThicknessUpto 200mm
    Pipe EndPlain ends with square cuts, free of burrs, bevelled ends with plastic caps proteced.
    SurfaceBare, varnished,oiled, or polised as request.
    Length15 Mtr max Cut to Length available
    Heat TreatmentSpheroidizing / Full Annealing / Process Annealing / Isothermal Annealing / Normalizing / Quenching / Martempering (Marquenching) / Quench And Tempering / Austempering
    ApplicationOil & Gas / Hydro Carbon Process / Automotive / Boiler, Heat Exchanger / Plumbing, HVAC & Firefighting / Structural / General Engineering / Railways / Sewage & Waterwell
    Quality InspectionThird Party inspection is acceptable (SGS, BV etc.)

    TOLERANCE FOR SEAMLESS TUBING


    I.D tolerance (mm)O.D tolerance (mm)Straightness (mm)
    H9-H12-/+0.5%0.20-0.80

    CHEMICAL COMPOSITION


    GradeCSiMnPS
    27SiMn0.24-0.321.1-1.401.10-1.400.035 max0.035 max

    DELIVERY CONDITIONS


    +ARBKSGBKNBKQ+T
    As rolledStress relievedAnnealedNormalizedQuenched+tempered
    Hot rolled+SR+A+NQ+T

    Delivery conditionCold finished (hard) (BK)Cold drawn and stress-relieved (BK+S)
    Steel GradeTensile Strength (Mpa)Elongation (%)Tensile Strength (Mpa)Yield Strength (Mpa)Elongation (%)
    27SiMn≥800≥5≥760≥610≥10


    Our Services


    What we can offer?


    -We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

    -Machining and heat treatment are available.

    -Also, we advise you in choosing the right materials.


    Quality Assurance


    Below inspection will be done in the production.
    (1) ray detection---RT;
    (2) ultrasonic testing---UT;
    (3) Magnetic Particle Testing-MT;
    (4) penetration testing-PT;
    (5) eddy current flaw detection-ET



    Package


    In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

    Payment & Delivery


    1. Both T/T and L/C will be acceptable

    2. Trade Terms: FOB, CIF, CFR

    3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

    4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples


    Company Information

    Shanghai Unite Steel Trading Co., Ltd

    We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

    In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

    What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!

    FAQ

    Q: Are you a manufacturer or merely a trader?
    A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.

    Q: How do you guarantee the quality of your product?
    A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.

    Q: Delivery time?
    A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.

    Q: What is the payment term?
    A: T/T or L/C.

    Q: Can we visit your company and factory?
    A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

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