GB9947-88 Electric resistance welded steel pipes from China manufacturer - Cangzhou Ruisheng Pipe Manufactering Co.,Ltd.

Product Detail

Model No.: 1/2''*3~20mm*2m~12m

Production Capacity: 500000

Delivery Date: 15 ~30 days after contract

Steel Grades: ST37,ST44,ST52,Gr.b,X42 or ...

Surface treatment: Galvanized or customized

Wall thickness: 2mm~30mm

Shape type: Round or squared

Technique: hot rolles,cold draw

Means of Transport: Ocean,Land,

Packing: In bundle or customized

Standard: GB9947-88 YB/T5209-2000

Welded alternatives: Welded or Seamless

OD: 1/2''~12''

End finished: LTC ,STC,BTC

Place of origin: Hebei China

Size:1/2 ~12 inches,
OD:DN25 ~DN300.
WT:2mm~12mm

Welded Alternative: ERW, LSAW, SSAW

Outer Diameter :ERW: 21.3mm to 300mm. (1/2'' to 12'’)

Wall Thickness:ERW:3.2mm to 22mm

Lengths: Single random

Double random

Fix length :1~16m

Surface treatment :Black painting,varnish coating,PE,2PE,3PE,black oil coating,rust-proof painting ,galvanized or as customer’s request.

End finished:Beveled,square cut,threaded&coupled.

Additional service:Internal coating.

Test:Chemical Analysis,Mechanical Properties,Technical Properties,Exterior Size Inspection,Hydrostatic,X-ray,Test,NDT test.

Mill Test Certification:EN10204/3.1B

Item	Standard		Range				Allowable deviation
Outer diameter	DIN17175		Hot pipe	D ≤ 100mm		± 0.75%( minimum± 0.5mm )
D > 100~ 320mm		± 0.9%
Cold pipe: D ≤ 120mm				± 0.6%( minimum± 0.25mm )
ASME SA -192M \ ASME SA -209M \ ASME SA -210M \ ASME SA -213M \ ASME SA -335M \ JIS G 3461		Hot pipe	D < 100mm			+0.4~ -0.8mm
D ≥ 100~ < 160mm			+0.4~ -1.2mm
D ≥ 160~ < 200mm			+0.4~ -1.8mm
D ≥ 200 mm			+0.4~ -2.4mm
Cold pipe	D < 25mm			± 0.10 mm
D ≥ 25~ < 40mm			± 0.15 mm
D ≥ 40~ < 50mm			± 0.20 mm
D ≥ 50~ < 60mm			± 0.25 mm
D ≥ 60 ~ < 80mm			± 0.30 mm
ASME SA-106		D 10.3~ 48.3mm				± 0.40 mm
D > 48.3~ 114.3mm				± 0.79 mm
D > 114.3~ 219.1mm				+1.59~ -0.79mm
D > 219.1~ 457mm				+2.38~ -0.79mm
Wall thickness	DIN17175	D ≤ 130mm	S ≤ 2Sn				+15%~-10%
S > 2Sn~4Sn				+12.5%~-10%
S > 4Sn				± 9%
130 < D ≤ 320mm	S ≤ 0.05D				+17.5%~-12.5%
0.05D < S ≤ 0.11D				± 12.5%
S > 0.11D				± 10%
ASME SA -192M \ ASME SA -209M \ ASME SA -210M \ ASME SA -213M \ ASME SA -335M \ JIS G 3461		Hot pipe	S ≥ 2~ < 2.4mm , D < 100			+40~0%
S ≥ 2.4~ < 3.8mm			+35~0%
S ≥ 3.8~ < 4.6mm			+33~0%
S ≥ 4.6mm			+28~0%
Cold pipe	D < 40	S < 2mm		+0.4~ 0mm
S ≥ 2mm		+20~0%
D ≥ 40			+22~0%
ASME SA-106		-12.5%