ERW/LSAW Welded Steel Pipe  

Breve Descrición:

Product name: straight seam steel pipe

Materials: Q235, Q355, S195T, GR.B, X42, X52, X60, CC60, CC70, ST35, ST52, S235JR, S355JR, SGP, STP G370, STP

G410, GR12, GR2 etc.

Standard: GB 3091, API 5L, ASTM A53, A515, A672, A500, A252, BS1387, EN10255, EN10217, JIS G3454 etc.

Specification:

Outer diameter: 1/4”-48” (13.7mm-1219.2mm).

Wall thickness: 1.2mm-60mm.

Length: 2m-14m.


Detalles do produto

Datos técnicos

produción

paquete

Etiquetas de produtos

1. Welding type of welded pipe: ERW, SAWL, EFW, HFW.

2. Materials: Q235, Q355, S195T, GR.B, X42, X52, X60, CC60, CC70,ST35, ST52, S235JR, S355JR, SGP, STP G370,

STP G410, GR12, GR2 etc.

3. Standard: GB 3091, API 5L,ASTM A53, A515, A672, A500,A252,,BS1387, EN10255, EN10217,JIS G3454 etc.

4. Especificación:

Outer diameter: 1/4”-48” (13.7mm-1219.2mm).

Wall thickness: 1.2mm-60mm.

Length: 2m-14m.

5. End: plain end, beveled end, thread, coupling, plastic cap in the both end, pipe clamp.

6. Surface: oiled, black painted or varnish, galvanized, 3PE, FBE, or other epoxy coating.

7. Inspection: hydrostatic testing, ultrasonic testing, eddy current testing, magnetic particle testing, impact testing, hardness

testing, etc.

8. Application: petroleum, chemical, electric power, water, construction, pipelines, etc.


  • Anterior:
  • seguinte:

  • especificación de tubo de aceiro 1. Liso costura

    20200114164015618.webp

     

    2. Tubo de tolerancia xeométrica

    elementos de contido de código predeterminado SY / T5037 -2000 T9711 -1997 (Un tubo de clase) 5L API (43 version)
    aplicacións Gas, auga, aceite, acondicionado, de calefacción, vapor de auga e outros líquidos tubos xerais con tubos de aceiro tubo de transmisión industria de petróleo e gas tubo de transmisión industria de petróleo e gas
    aceiro Q195, Q215, Q235 L175 -L483 A, B, X42 ~ X70
    tamaño corpo OD D<508  ±0.75%DD≥508  ±1.00%D D<508  ±0.75%DD≥508  ±1.00%D D<508  ±0.75%D508≤D≤914   -0.25%D ~ +0.75%DD>914  -0.32%D ~ +6.35%D
    final OD D<508  ±0.75%D or ±2.5  be minimumD≥508  ±0.50%D or ±45   be minimum D≤273.1    -0.40 ~ +1.59D>323.9  -0.79 ~ +2.38 D≤273.1    -0.40 ~ +1.59D>323.9  -0.79 ~ +2.38
    tolerancia WT <508 ± 12,5% t -12,5% t ~ + 12,5% t -12,5% t ~ + 12,5% t
    ≥508 ± 10,0% t L175 ~ L245 -10.0%t ~ +17.15%tL290 ~ L555  -8.0%t ~ +19.5%t Not beyond B class -12.5%t ~ +17.5%tNot lower than X42 -8.0%t ~ +19.5%t
    tubo oval gama interior da extremidade do tubo 100 ± 1% de D D> 508 aceiro na gama de 101,6 máximo OD da extremidade do tubo non pode ser maior que o DN do 1% de D; menor que o diámetro externo DN será do 1% D D> 508 aceiro na gama de 101,6 máximo OD da extremidade do tubo non pode ser maior que o DN do 1% de D; menor que o diámetro externo DN será do 1% D
    grao de curvatura (retilinidade) Non superar 0,2% da lonxitude do tubo Non superar 0,2% da lonxitude do tubo Non superar 0,2% da lonxitude do tubo
    extremo do tubo de chanfradura Bevel degree 30° -35°  blunt edge1.6±0.8 Bevel degree 30° -35°  blunt edge 1.59±0.79 Bevel degree 30° -35°  blunt edge 1.59±0.79
    inclinarse 1.6≤D <813 <1,59 <1,59
    desalinhamento t≤12.7 0.35t e non máis que 3,0 <1,59 <1,59
    t> 12,7 0.25T 0.1251 and 3.18  take the minimum value 0.1251 and 3.18  take the minimum value
    reforzo de soldados t≤13…<3.2t>13  <4.8 t≤12.7…<3.18t>12.7  <4.76 t≤12.7…<3.18t>12.7  <4.76
    análise química Tomar unha mostra de cada lote Tomar dúas mostras de cada lote Tomar dúas mostras de cada lote
    ensaio de tracción Tomar unha mostra xunta soldada de cada lote Base matel: take one sample from each smelting batchSpiral weld:take one sample from each smelting batch  butt weld: not more than 50 to take one sample Base matel: take one sample from each smelting batchSpiral weld:take one sample from each smelting batch  butt weld: not more than 50 to take one sample
    Proba de dobramento guiada non Each batch take a positive test sample and an anti-bend bend sample,   butt weld no more than 50 to take a positive bend and an anti-bend sample. Each batch take a positive test sample and an anti-bend bend sample,   butt weld no more than 50 to take a positive bend and an anti-bend sample.
    probas de resistencia á fractura non When the contract requirements,smelting complex batch takes three samples; D≥508, the drop hammer impact each smelting batch take two. When the contract requirements,smelting complex batch takes three samples; D≥508, the drop hammer impact each smelting batch take two.

    Straight seam steel pipe production process

    20200304165431857 (1)

    474a217d

    We have two kinds of packaging:

    1. Package suitable for every kind of transport;

    2. According to customer’s requirement.

    20200306151340436

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