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- API 5L X42 L245 API 5L Pipe /API Steel Pipe Round For Oil Pipeline
- API Line Pipe Black Painted
- API 5L API Line Pipe
- A53 Grade B API Line Pipe
- Round Seamless Oil Casing Pipe Fluid Pipe API SPEC 5L X80 60mm - 630mm
- OCTG API J55 Oil Casing Pipe With Black Painting 5m - 12m Heat Extrusion
- Round K55 / 16Mn Oil Casing Pipe For Oil Industry , GB Seamless Steel Pipe
- OCTG P110 J55 Oil Casing Pipe With API 5CT Fluid Pipeline Anti Rust Oil
- API 7-1 Oil Casing Pipe / Heavy Weight HWDP Drill Pipe For Petroleum
- Round API 5CT C90 Oil Casing Pipe Seamless Cold Drawn , 5m - 12m
- API 5CT L80 20# Welded Carbon Steel Pipe With EUE High Tensile Strength
- API 5DP HWDP Heavyweight Drill Pipe / S235JR 16Mn Varnish Paint Tube
- Round Q125 H40 Seamless Oil Casing Pipe Hot Rolled With API Certificate
- Gr.A B X70 API 5L Line Pipe For Gas Transportation , DIN Steel Pipe
- API 5CT X60 L415 Oil Casing Pipe / API 5L Line Pipe Q235 Round
- API 5CT X52 Oil Casing Pipe For Chemical Industry , Steel Pipe Q345
- Petroleum Round Oil Casing Pipe API 5L L245 Seamless Steel 60mm - 630mm
- API 5CT C95 T95 Oil Casing Pipe / Oil Well Pipe ASTM Hot Galvanized
- API SPEC 5L Oil And Gas Pipes / Steel Pipe L390 API 5L Line Pipe Black Coating
- L320 Seamless Oil Casing Pipeline Round API SPEC 5L X46 , Anti Rust Oil
- API Oil Casing Pipe
- 16Mn Oil Casing Pipe
- OCTG Oil Casing Pipe
- SGS Q345B 20# Cold Drawn Seamless Steel Tube Black Painting For Chemical
- Round Cold Drawn Seamless Steel Tube GB T3639 BS JIS With PE Coated
- Q345B P110 Round Cold Drawn Seamless Steel Tube , Straight API Pipe
- ASTM A106 Cold Drawn Seamless Steel Tube G3454 DIN1626 For Black Painted
- A106 A53 Cold Drawn Seamless Steel Tube Carbon Heat Exchange , AISI
- 45# 16Mn Carbon Cold Drawn Seamless Steel Tube PE Coated For Petroleum
- 20# 35# Cold Drawn Seamless Steel Tube Galvanized , High Pressure Pipe
- Cold Rolled Q345 Cold Drawn Seamless Steel Pipe With P110 N80 , Thick Wall Pipe
- 10# P110 Galvanized Cold Drawn Seamless Steel Tube ASTM A106 GR.B
- Cold Drawn Q345B Seamless Carbon Steel Pipe ASTM With SGS API
- ASTM Cold Drawn Seamless Steel Tube
- 20# Cold Drawn Seamless Steel Tube
- Round Cold Drawn Seamless Steel Tube
- Cold Drawn Q345B Seamless Carbon Steel Pipe ASTM With SGS API
- Hot Rolled Q345 Seamless Carbon Steel Pipe ISO With P110 N80 , 48 - 377 mm
- ISO API A53 Seamless Carbon Steel Pipe Cold Rolled , High Pressure Pipe
- 35# A210 N80 Seamless Carbon Steel Pipe Black Painted For Petroleum
- 45# Seamless Carbon Steel Pipe PE Coated 600Mpa Tensile Strength
- ASTM A106 Grade B Seamless Carbon Steel Pipe Galvanized High Pressure
- API 10# 16Mn Round Welded Carbon Steel Pipe , 5m - 12m API Pipe
- High Precision Carbon Steel Seamless Pipe GB T3639 BS JIS With PE Coated
- SGS Q345B 20# Seamless Carbon Steel Pipe Black Painting For Chemical
- 10# P110 Seamless Galvanized Steel Pipe Cold Drawn ASTM A106 GR.B
- 45# 16Mn Seamless Carbon Steel Pipe PE Coated Cold Drawn Heat Exchange
- Petroleum Seamless Carbon Steel Pipe / API Pipe 35# N80 Round API Pipe
- Cold Drawn Seamless Carbon Steel Pipe
- Hot Rolled Seamless Carbon Steel Pipe
- 35# N80 Seamless Carbon Steel Pipe
- 3 Polyethylene Q215 Spiral Welded Steel Pipe Steel Structure Anti-Corrosion
- SSAW Q195 Spiral Welded Steel Pipe API Hot Rolled With Large Diameter
- API 5L ASTM A53 Spiral Welded Steel Pipe , 235MPa-660MPa Sprial Steel Pipe
- High Yield Strength Spiral Welded Steel Pipe Q345 ST52 Round Hot Rolled
- 16Mn L360 Spiral Steel Round Tubing Steel Structure With API Standard
- BS S235JR SSAW Spiral Welded Steel Pipe For Water Engineering
- Q235 ASTM A53 ST52 Spirally Welded Steel Pipes , Carbon Steel Tube
- API 5L Gr.B Spiral Welded Steel Pipe / Tube High Tensile Strength
- PE Coated Spiral Welded Steel Pipe , ASTM A210 API 5l X70 Steel Pipe
- ASME B36.10 Spirally Welded Steel Pipes Hot Rolled 3-12m High Quality
- Q215 Spiral Welded Steel Pipe 3 Polyethylene Steel Structure Dipping
- Hot Rolled Spiral Welded Steel Pipes
- 16Mn L360 Spiral Welded Steel Pipe
- 3 Polyethylene Spiral Welded Steel Pipe
- API 5L Gr.B Spiral Welded Steel Pipe / Tube For Water Engineering
- API 5L Gr.B Spiral Welded Steel Pipe / Thick Wall Pipe Steel Structure
- Round Straight Welded Carbon Steel Pipe / LSAW Welded Pipe API 5LX42
- EN10217 ERW Welded Carbon Steel Pipe Low Temperature ASTM A210-C For Pipeline
- Q345 Welded Carbon Steel Pipe Hot Rolled , ASTM A 53 Welded Steel Tubing
- Galvanized ST52 Welded Carbon Steel Pipe / Q235 ERW Welded Tube
- Q345 Round ERW Welded Steel Pipe Anti-Corrosion Oil With API 48 - 377 mm
- High Strength Welded Carbon Steel Pipe Dipping For Water Transportation
- ASTM A210-C Welded Carbon Steel Pipe LSAW , 12M Gas / API Pipe Line
- ASTM A53 Gr B Carbon Steel Tubing / Tube Hot Rolled Q345 LSAW
- API 5LX42 Welded Carbon Steel Pipe , Longitudinal Submerged Arc Welding
- Spiral Welded Carbon Steel Pipe Black Painting , Electrical Resistance Weld
- Longitudinal Welded Carbon Steel Pipes / Pipeline Spiral API5L X52 Q345
- Q345 Q235 Welded Carbon Steel Pipe Low Resistance Cold Drawn Round
- ASTM A53 Gr B Round Welded Carbon Steel Pipe / Tube Q345 Cold Rolled
- ASTM A210 Welded Carbon Steel Pipe
- Straight Welded Carbon Steel Pipe
- ASTM A53 Gr B Welded Carbon Steel Pipe
- API 5L X42 LSAW Welded Steel Pipes / Pipeline High Tensile Strength
- API 5L X42 12M Welded Steel Pipes LSAW For Water Low Resistance
- ASTM A53 Gr B Round Welded Steel Pipes / Tube Large Diameter Q345
- 508mm Round Welded Steel Pipes / Longitudinal Submerged Arc Welding ASTM A 53
- ASTM A53 ST52 Longitudinal Submerged Arc Welding High Pressure
- EN10219 / EN10217 ERW Welded Steel Pipes High Pressure ASTM A53
- ASTM A53 ST52 ERW Welded Steel Pipes , Hot Rolled Black Welded Steel Tubing
- Electrical Resistance Weld / ERW Welded Pipe High Tensile Strength
- ASTM A53 ERW Welded Steel Pipes Galvanized ST52 , ERW Welded Pipe
- 219mm ERW Spiral Welded Steel Pipe Anti-Corrosion Oil, API Certification
- 12M Cold Rolled Welded Steel Pipes Straight Seam Low Resistance , ASTM A53
- Hot Rolled Welded Steel Pipes / Tube Carbon ST52 ASTM A53 Grade B
- API 5L X42 Welded Steel Pipes , Longitudinal Submerged Arc Welding
- EN10219 Welded Steel Pipes ASTM A53 235MPa-500MPa For Water Transportation
- ERW Welded Steel Pipes
- LSAW Welded Steel Pipes
- API 5L X42 Welded Steel Pipes