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.


Detail Product

agahiyên teknîkî

Çêkerî

Pakêt

Tags Product

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. Specification:

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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  • Piştî:

  • 1. kûpekî û Rast specification boriyeke pola

    20200114164015618.webp

     

    2. Pipe xweşbîniya geometrîk

    tomar naveroka code Standard SY / T5037 -2000 T9711 -1997 (A boriyeke class) 5L API (43 version)
    Applications Gazê, avê, gaz, hewa, germkirin, hilm û din lûleyên herkoyî giştî bi lûleyên ji pola pîşesaziya neft û boriya veguhestina di pîşesaziya neft û boriya veguhestina di
    Pola Q195, Q215, Q235 L175 -L483 A, B, X42 ~ X70
    Mezinayî bedena 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
    dawiya 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
    Bêhne 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
    tube oval range dawiya tube 1 ± 100% D D> 508 pola di range ji 101,6 max OD ji dawiya boriyeke de ne dikarin bibin mezintir e DN ji 1% D; biçûk OD ji DN, wê bên 1% D D> 508 pola di range ji 101,6 max OD ji dawiya boriyeke de ne dikarin bibin mezintir e DN ji 1% D; biçûk OD ji DN, wê bên 1% D
    degree Curvature (rastiyê) mideyeka ne bêtir ji sedî 0.2 length boriyeke de mideyeka ne bêtir ji sedî 0.2 length boriyeke de mideyeka ne bêtir ji sedî 0.2 length boriyeke de
    dawiya Pipe beveling 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
    Tilt 1.6≤D <813 <1.59 <1.59
    Misalignment t≤12.7 0.35t û ne zêdetir ji 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
    qewînkirina Weld 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
    analysis Kîmyawî Take yek test ji hev hevîrê Take du test ji hev hevîrê Take du test ji hev hevîrê
    test zeliqînê Take yek test hevbeş mesh ji hev hevîrê 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
    test bend hîdayet Na 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.
    testkirina hişkbûna Fracture Na 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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