Main steel tube grade: a53-a, a53-b etc. Other grade can also be provided after consulting with acustomers.
Permissible variations in weight and dimensions:
Weight -- the weight of the pipe as calculated from the relevant equation in asme b36.10m shall not vary by more than 10%.
Diameter -- for pipe nps 1 1/2(dn40) and under, the outside diameter at any point shall not vary more than 1/64 in.(0.4mm) from the standard specified. For pipe nps 2 (dn 50) and over, the outside diamter shall not vary more than 1% from the standard specified.
Thickness -- the minimum wall thickness at any point shall not more than 12.5% under the nominal wall thickness specified. The minimum wall thickness on inspection shall comform to the requirement.
Seamless implementation of the standard material: api 5l/5ct gr.B astm a106/a53 gr.B st35.8 st42 st45 st52 st52.4 20 # 45 # q345b x42-x65. Specifications: 1 / 2 "-36" * sch10-xxs. Our factory has api 5l/5ct iso9001 seamless lloyd's certification, in straight seam, spiral pipe plant for sale at all have api qualification
Certication:iso 9001:2000 api 5l
Standard:astm, api, din, en, bs, ect.
Specification: od(outside diameter):12.7mm-711mm
Wt(wall thickness):2.5mm-50mm
Material:low carbon steel(moq 100ton), medium carbon steel, high carbon steel
Qulity goods in stock :astm a106 gr.B, astm a53 gr.B, api 5l gr.B
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
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, nondestructive test (ultrasonic flaw detector, eddy current flaw detector), hydrostatic test.,
Mill test certificate: en 10204/3.1b
1.Seamless steel pipe :od 1/4 inch-30inch w.T 1.25mm to 50mm,
2.Erw steel pipe/lsaw steel pipe: od 1/2inch-52inch w.T 1.65mm to 25mm
3.Spirally welded steel pipe: 219mm to 3120mm .W.T 3mm to 25mm
Stm a53 asme sa53 bs1387 gb/t13793 din2440 din2444
Astm a 106 \asme sa106
Astm a 161
Astm a 179
Astm a 192
Astm a199
Astm a200
Astm a210
Astm a213
Astm a500
Astm a 519
Astm a556
2.
Din 17175
Din 2391
Din 2393
Din1629
Din 17121
Api 5l (psl1)
Api 5ct
Bs970
Bs3059
3.
Jis g3441
Jis g 3444
Jis g 3445
Jis g3454
Jis g3455
Jis g3456
Jis g3458
Jis g3460
Jis g 3461
Jis g3462
Jis g3464
Jis g3465
Jis g3467
Jis g3473
4.
Api 5ct& api 5l. Gr b, j55, k55, n80, l80, c95 , p110, x42, x46, x52, x70, x80.
Bundled in weight of about 1.5 tonne, wrapped in watertight layers and packed in plastic woven cloth.
