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Home ProductsDuplex Stainless Steel Pipe

Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube

Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube

    • Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube
    • Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube
    • Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube
  • Welded Seamless Pipe Steel , 0.1mm - 60mm Thickness Mild Steel Seamless Tube

    Product Details:

    Place of Origin: China
    Brand Name: RT Welding Metal
    Certification: ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

    Payment & Shipping Terms:

    Minimum Order Quantity: Negotiation
    Price: Negotiation
    Packaging Details: product specifications
    Delivery Time: 5-7 working days
    Payment Terms: T/T, L/C
    Supply Ability: 1500 tons per month
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    Detailed Product Description
    Welding Line Type: Seamless Steel Grade: 300 Series
    Type: Seamless Thickness: 0.1mm-60mm
    Material: 200 Series/300 Series/400series Product Name: Welded Schedule 40 Pipe
    High Light:

    heavy wall seamless pipe


    galvanized carbon steel pipe

    Super Duplex Stainless Steel Pipe, A789/A790  S32205, S31803, S32750, S32760 , S32304,S31500


    Super Duplex Stainless Steel Pipe / Tube , UNS S32304 / 1.4362 / X2 Cr Ni 23.4



    Chemical Analysis
    Typical values (Weight %)

    C Cr Ni Mo N Others
    0.020 23 4 0.2 0.1 S = 0.001
    PREN (Cr%) + 3.3 (Mo%) = 16 (N%) ≥ 24



    Mechanical Properties
    Tensile Properties (Minimum Values)


    °C Rp 0.2
    Rp 1.0


    400 440 600
    100 330 365 570
    200 280 310 530
    300 230 260 490


    °F YS 0.2%
    YS 1.0%
    68 58 64 87   25
    212 48 53 83   25
    392 41 45 77   20
    572 33 38 71   20


    Values obtained for hot rolled plates (th ≤ 2”). Alloy 2304 must not be used for a long time at temperatures higher than 300°C (572°F), where precipitation hardening phenomenon occurs.

    Toughness Values (KCV Minimum Values)


    Temp.   -50°C +20°C   -60°F +70°F
    Single   75 J/cm 90 J/cm   54 ft.lbs 65 ft. lbs
    Average (5)   90 J/cm 150 J/cm   65 ft.lbs 87 ft.lbs


    Hardness (Typical Values)


    Average (5) HV10 180-230 HB : 180-230 HRC _ 20



    Specification:O.D.6-530mm W.T.0.5-40mm  L max 24000mm
    ASTM/ASME:A213/SA213 A249/SA249 A268 A312/SA312 A269 A270 A358 A376 A409 A511 A688 A789 A790 A803 A928 

    A544 A409 A632 A688 

    A778 A908
    SB161 SB163 SB167 SB338 SB407 SB423 SB444 SB619 SB622 SB626 SB668 SB677 SB829
    JIS:G3459 G3446 G3447 G3448 G3459 G3463 G3468
    DIN:17455 17456 17457 17458 17459 2391 2462
    EN:10216-5 10217-7
    GOST9941 GOST9940

    Materials:304/304L/304H;321/321H;316/316L/316H;316TI;317L;347H;310S;UNS31803;UNS32750/U NS08904L,


    Delivery condition: Normal annealing+Tempered;Brighting annealing;BK;Pickled;

    Packing: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;wooden case packing 

    with steel frame;
    Test:Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), 

    Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), 

    Exterior Size Inspection.
    Mill Test Certificate:EN 10204/3.1B

    Classification Society Criterion:CSS,DNV,GL,LR,NK,KR,ABS,BV


    Some of the quality tests carried out by us includes:

    Corrosion Test Conducted only when specially requested by the client
    Chemical Analysis Test done as per required quality standards
    Destructive / Mechanical Testing Tensile | Hardness | Flattening | Flare | Flange
    Reverse-bend and Re. flat tests Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
    Eddy Current Testing Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
    Hydrostatic Testing 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
    Air Under Pressure Test To check any evidence of air leakage
    Visual Inspection After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections

    Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

    • Eddy Current Testing
    • O.P Testing
    • Radiography Testing
    • Corrosion Testing
    • Micro Testing
    • Macro Testing
    • IGC Testing
    • Ultrasonic testing
    • Liquid Penetrate testing


    Contact Details
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