rectangular welded tubes

Standard: ASTM A513
Application: For machinery, mechanical engineer
Size(mm): O. D.: 6.0-168.0 W. T.: 1.0-15.0mm L: Max 12000mm

Size:DN100~DN800
Wall thickness pressure:Sch20,Sch40,Sch60,Sch80,Sch160,STD,XXS.
Surface treatment:customized

Q235B, Q345B, S235, S355, ST37, ST52 Welded ERW Steel Pipes, Structural Steel Pipe ASTM A53, A106, DIN16

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25.)
Surface Lightly oiled Hot dip galvanize

seamless welded steel pipe
alloy steel pipe for low-temperature service
API 5L Certificate
Petroleum industry
large amount of stock

SUPPLEMENTARY REQUIREMENTS
S1:Stress-Relieved Annealed Tubes
S2:Minimum Wall Tubes
S3:Air Underwater Pressure Test
S4:Stabilizing Heat Treatment

 
Q195,Q235,Q345 Rectangular Welded Stee

Plus copper alloy from the Reduction of fracture and maximum tension with temperature changes in the relationship we can see, with the copper content

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235

1.O.D:114.3MM-914MM
2.W.T:3.05MM-12.7MM
3.LENGTH:5.8M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5l

ERW black welded steel pipe
1)Thickness:1.2-20mm
2)OD:15-610mm
3)Application:Fluid Pipe
4)Certification:ISO9001:2000 ...

ASTM A312
Grades:304/L and 316/L
Sizes:1/4" Thru 36"
Schedules:10s, 20, 40s, 80s
Surface treatment: Pickling, annealing, polishing.

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25.)
Surface Lightly oiled Hot dip galvanize

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235

1) Thickness : 5-25mm
2) OD : 219-3000mm
3) Technique : SAW
4) Special pipe : API pipe
5) Certification : API

In General, 10.5% iron - based alloys known as chromium content greater than stainless steel, chromium content and the products of its far lower than

1) Grade:SUS 304\ 304L\ 316\ 316L
2) Standard:ASTM A312/ A249 / A269 / A778,ASME B36.19M,ASME B36.10M
3) Size: OD 8mm to 2020mm

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25.)
Surface Lightly oiled Hot dip galvanize

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235

1) Thickness : 4-16mm
2) OD : 101.6-457.2mm
3) Technique :ERW
4) Special pipe : API pipe
5) Certification : CE

Annealing
Working temperature:1832 ºF to 2012 ºF
Explanation report:duration 5 min; width 5 mm
Processing informations:cool down: water;air

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25.)
Surface Lightly oiled Hot dip galvanize

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235

1) Thickness : 4-18mm
2) OD : 60-520mm
3) Technique : ERW
4) Special pipe : EMT pipe
5) Certification : CE

Terms:
1)Loading Port: SHANGHAI,NINGBO or as your requirements.
2)Delivery term: FOB, CFR, CIF, EXW.
3)Quality assurance: CO, Mill Test Certificate

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25.)
Surface Lightly oiled Hot dip galvanize

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235

ASTM A 53 cold roll welded steel pipe
1)Application:Structure
2)Standard:BS,ASTM,GB
3)Thickness:0.8-6.0mm
4)Certification:CE ...

- Higher creep resistance
- Excellent formability.
- Rupture and tensile strength at high temperatures
- Corrosion and pitting resistance

welded tube
thickness:2.0-12mm
outer diameter:20-600mm
material:Q195-235