ERW/LSAW Welded Steel Pipe  

Short Description:

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.


Product Detail

Technical tahirin-kevitra

Production

Package

Product Tags

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. famaritana:

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.


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  • 1. Straight seam vy sodina famaritana

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    2. Sodina voafaritra fandeferana

    Standard fehezan-dalàna votoaty entana SY / T5037 -2000 T9711 -1997 (A kilasy sodina) API 5L (43 version)
    Applications Gas, ny rano, solitany, rivotra, fanafanana, etona sy ny tsiranoka hafa ankapobeny fantsona amin'ny fantsona vy Solika sy ny entona fifindran'ny orinasa sodina Solika sy ny entona fifindran'ny orinasa sodina
    Steel Q195, Q215, Q235 L175 -L483 A, B, X42 ~ X70
    Size tena 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
    OD farany 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
    fandeferana W. <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
    Oval Tube Inner farany Tube isan-karazany 100 ± 1% D D> 508 vy ao amin'ny isan-karazany avy amin'ny 101,6 Max OD ny sodina farany tsy afaka ny ho lehibe kokoa noho ny DN ny 1% D; OD kely indrindra noho ny DN no ho 1% D D> 508 vy ao amin'ny isan-karazany avy amin'ny 101,6 Max OD ny sodina farany tsy afaka ny ho lehibe kokoa noho ny DN ny 1% D; OD kely indrindra noho ny DN no ho 1% D
    Curvature diplaoma (straightness) Tsy mihoatra ny 0,2% ny sodina halavan'ny Tsy mihoatra ny 0,2% ny sodina halavan'ny Tsy mihoatra ny 0,2% ny sodina halavan'ny
    Sodina beveling farany 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
    Jery ​​mitongilana 1.6≤D <813 <1,59 <1,59
    Misalignment t≤12.7 0.35t fa tsy mihoatra ny 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
    Weld fanamafisana 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
    simika famakafakana Raiso santionany iray avy isaky ny batch Raiso santionany roa avy isaky ny batch Raiso santionany roa avy isaky ny batch
    Tensile fitsapana Mandritra ny iray mpiara welded santionany avy amin'ny tsirairay batch 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
    Nitarika Bend fitsapana No 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.
    Fitiliana mikasika ny Fahasarotana tapaka No 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

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    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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