Square Steel Pipes Business Directory

Quick Brief: Thickness: 0.5 - 100 mm, Section Shape: Square, Place of Origin: Guangdong China (Mainland)

Quick Brief: Thickness: 0.24 - 2.0 mm, Section Shape: Square, Outer Diameter: 10*10-100*100, Place of Origin: Guangdong China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: ERW, Certification: ISO, Surface Treatment: polish, hairline, satin finish, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, shape: oval,round,squre,rectangular, material: 201,304 grade, Grade: Cr17Ni8,1Cr13Mn9Ni1N,CrNi alloy, Standard: GB/T 3091-2001,GB/T 12770-2002,GB/T 14975-2002,ASTM A312M-2001,GB,ASTM

Quick Brief: Thickness: 1 - 40 mm, Section Shape: Square, Outer Diameter: according to your need, Place of Origin: Shandong China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Cold Drawn, Certification: API, Surface Treatment: according to you, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Grade: 10#,20#,45#,A106(B,C),A333,A369,API J55,API K55,STPG42,Q235,Q345,Q195,Q215,10#-45#,A53-A369,API J55-API P110,Q195-Q345, Standard: BS EN10296,BS 6323,JIS G3452-2004,JIS G3456-2004,GB 3087-1999,GB/T 8163-1999,DIN EN 10216-1-2004,DIN EN 10208-1-1998,ASTM A213-2001,ASTM A789-2001,API 5L,BS,JIS,GB,DIN,ASTM,API

Quick Brief: Thickness: 0.5 - 25 mm, Section Shape: Square, Outer Diameter: 10X10mm--600X600mm, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Fluid Pipe, Technique: Hot Rolled, Certification: ISO/SGS, Surface Treatment: Galvanized, Alloy Or Not: Non-alloy, Grade: 10#,20#,45#,A53(A,B),A106(B,C),St37,St52,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345, Standard: BS 1387,BS EN 39,BS 31,JIS G3444-2006,GB/T3901,DIN 1626,DIN 2444,ASTM A53-2007,ASTM A335-2006,ASTM A53M-2007,API 5L,BS,JIS,GB,DIN,ASTM,API

Quick Brief: Thickness: 2.0 - 30.0 mm, Section Shape: Square, Outer Diameter: 30-600, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Boiler Pipe,Oil Pipe,Structure Pipe, Technique: Hot Rolled, Certification: ABS, Surface Treatment: Galvanized or black according to your order, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Standard: DIN EN 10210/ ASTMA500, Grade: Q235,Q345,Q195-Q345

Quick Brief: Thickness: 3.68 - 12.7 mm, Section Shape: Square, Outer Diameter: 48.3-273.0, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Gas Pipe, Technique: Hot Rolled, Certification: ASTM, Surface Treatment: Galvanized, Special Pipe: API Pipe, Alloy Or Not: Is Alloy, Grade: 20#,16Mn,A53(A,B),St37,St52,St42,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345, Standard: BS 1387,BS EN 39,GB/T 3091-2001,BS,GB

Quick Brief: Thickness: 1.5 - 8 mm, Section Shape: Square, Grade: 10#,20#,45#,15NiCuMoNb5,API J55,API N80,St37,St37-2,STBA22,STBA24,Q235,Q345,Q195,10#-45#,API J55-API P110,ST35-ST52,STBA20-STBA26,Q195-Q345, Standard: BS 1387,BS EN 10297,JIS G3463-2006,JIS G3459-2004,JIS G3444-2006,GB 5310-1995,GB/T 9711.1-1997,GB/T 3090-2000,DIN 1629/3,DIN EN 10216-1-2004,DIN 1629/4,ASTM A106-2006,ASTM A312-2001,API 5CT,API 5L,BS,JIS,GB,DIN,ASTM,API

Quick Brief: Thickness: 1 - 30 mm, Section Shape: Square, Outer Diameter: 30, Place of Origin: Maharashtra India, Standard: ASTM A106-2006,ASTM A53-2007,ASTM A210-1996,ASTM A182-2001,ASTM A312-2007,ASTM A234-2007,ANSI A182-2001,ASTM A53M-2007,ASTM, Grade: A53(A,B),A333,A335 P11,A335 P5,A335 P91,A335 P9,A335 P1,A335 P12,A335 P92,A335 P23,A53-A369

Quick Brief: Thickness: 1.2 - 30 mm, Section Shape: Square, Outer Diameter: 20*20-219*219, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Hot Rolled, Certification: BV ISO SGS, Surface Treatment: Galvanized, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, price: reasonable, color: silvery white, zinc coating: 200-500g/m2, Grade: Q235,Q345,Q195,Q215,Q195-Q345, Standard: BS 1387,BS

Quick Brief: Thickness: 3 - 22 mm, Section Shape: Square, Place of Origin: Hubei China (Mainland), Secondary Or Not: Non-secondary, Application: Other, Technique: Cold Rolled, Certification: CE, Alloy Or Not: Non-alloy, Type: Welded, Welded Line Type: Spiral, Grade: Q235,Q345,Q195-Q345,Q235, Q345, Standard: BS EN10025,BS EN10219,JIS G3444-2006,JIS G3446-2004,BS,JIS

Quick Brief: Thickness: 1 - 30 mm,SCH10- SCH160/ (1.00-70.00)mm etc., Section Shape: Square, Place of Origin: Shandong China (Mainland), Secondary Or Not: Non-secondary, Application: Fluid Pipe, Technique: Cold Drawn,Seamless, Certification: CE, Surface Treatment: Other, Special Pipe: API Pipe, Alloy Or Not: Non-alloy, ASTM: seamless steel pipe, Out Diameter: (1/2"-24")In/ (21.30- 609.60)mm,, Length: 1- 12 m or above, MOQ: 5MT, Delivery time: One month, Production capacity: 10, 000 metric tons per month, Middle East: Asia; Africa, Europe, North Ametrica, Grade: 20#,16Mn,A53(A,B),A106(B,C),API J55,API K55,API N80,API L80,API P110,St37,St52,Q235,Q345,Q195,Q215,10#-45#,A53-A369,API J55-API P110,ST35-ST52,Q195-Q345,ASTM A106/ A53 Gr. B etc., Standard: BS 1387,BS EN10296,BS EN 10297,JIS G3463-2006,JIS G3459-2004,JIS G3455-2005,GB 5310-1995,GB 3087-1999,DIN 1626,ASTM A106-2006,ASTM A213-2001,ASTM A210-1996,API 5CT,API 5L,API 5DP,BS,JIS,GB,DIN,ASTM,API

Quick Brief: Thickness: 0.5 - 14 mm,0.5MM-14MM, Section Shape: Square, Outer Diameter: 13*13-400*400, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: ERW, Certification: ISO9001, Surface Treatment: oil coating/varnish coating/anti-rust coating/galvanized, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Material: carbon steel, Diameter: 13x15MM-400X400MM, Length: 6M or as customers' requirement, MOQ: 25tons, Package: export package, Payment term: TT/LC, Manager Ms. Kayla: Cell 0086-15822478551, Grade: St37,St52,St42,St45,St35.8,ST35,STPA25,STPA22,STPA23,STPA24,STPA26,Q235,Q345,Q195,Q215,ST35-ST52,STPA22-STPA26,Q195-Q345,Q195/Q215/Q235/Q345, Standard: BS 1387,BS EN10217,JIS G3463-2006,JIS G3459-2004,JIS G3445-2006,JIS G3444-2006,GB/T 17396-1998,GB/T 13793-1992,DIN 1626,DIN 2448,DIN 2444,DIN EN 10025,ASTM A53-2007,ASTM A513-2007,ASTM A199,BS,JIS,GB,DIN,ASTM,GB/T13793-92, ASTM A53, DIN2448, DIN2440, BS1387, JIS G3445

Quick Brief: Thickness: 1.5 - 16 mm, Section Shape: Square, Outer Diameter: 20*20mm-400*400mm, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Hot Rolled, Certification: SGS BV, Surface Treatment: Galvanized, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Structural Steel: Other Metals & Metal Products, Metal Building Materials: Steel tube, Brand Name: Square Hollow Section or Rectangular, Material: Steel, Model Number: 16*16--500*300mm, Grade: Q235,Q345,Q195,Q195-Q345, Standard: BS EN10217,GB/T 13793-1992,GB/T3901,ASTM A53-2007,BS,GB,ASTM

Quick Brief: Thickness: 0.7 - 10 mm, Section Shape: Square, Outer Diameter: 15mm*15mm-300mm*300mm, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: ERW, Certification: SGS,ISO 9001, BV, Surface Treatment: black, Special Pipe: EMT Pipe, Alloy Or Not: Non-alloy, colour: black, manufacturing technique: hot rolled, process: punching, Quality: First grade, Price: directly from factory, Samples: offered for cusomers' reference, Factory: visiting any time, Delivery: quick, Grade: 20#,16Mn,A53(A,B),Q235,Q345,Q195,Q215,10#-45#,A53-A369,Q195-Q345, Standard: BS 1387,BS EN10296,BS EN 39,BS EN10219,GB/T 3094-2000,ASTM A312-2001,ASTM A53-2007,ANSI A312-2001,BS,GB,ASTM

Quick Brief: Thickness: 0.5 - 30 mm,0.5-30mm, Section Shape: Square, Outer Diameter: 15*15mm-1000*1000mm, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe,Mechanical & manufacture,Steel Structure, Certification: API,ISO:9001,API,SGS,BV, Surface Treatment: Galvanized, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Length: 2-12m, Technique: ERW,welded, Grade: 10#,20#,45#,16Mn,A53(A,B),A106(B,C),A269,A369,API K55,STPA22,STPA23,Q235,Q345,Q195,Q215,10#-45#,A53-A369,API J55-API P110,STPA22-STPA26,Q195-Q345, Standard: BS 1387,BS EN10296,BS 1139,BS EN10025,BS EN10219,JIS G3458-2005,JIS G3445-2006,JIS G3444-2006,GB/T 3094-2000,DIN EN 10217-1-2005,ASTM A106-2006,ASTM A53-2007,BS,JIS,GB,DIN,ASTM

Quick Brief: Thickness: 1 - 18 mm, Section Shape: Square, Outer Diameter: 20*20-400*400mm, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: ERW, Certification: SGS/BV, Surface Treatment: Galvanized, Alloy Or Not: Non-alloy, OD: 20*20-400*400mm, WT: 1.0-18.0mm, Length: 5.8-11.8m, Steel material: Q235,Q195,Q215,Q345B, Usage: Structure, Accessorize And Construction etc., Package: Waterproof cloth, MOQ: 25Tons, Price Terms: FOB,CIF,CFR, Payment: L/C T/T, Grade: 16Mn,A53(A,B),Q235,Q345,Q195,Q215,A53-A369,Q195-Q345, Standard: BS 1387,BS EN 39,GB/T 3091-2001,DIN 2444,DIN EN 10025,ASTM A53-2007,BS,GB,DIN,ASTM,GB/T3091,BS1387,ASMTA53

Quick Brief: Thickness: 1.8 - 15 mm, Section Shape: Square, Outer Diameter: 15*15-300*300, Place of Origin: Hebei China (Mainland), Secondary Or Not: Non-secondary, Application: Chemical Fertilizer Pipe, Technique: ERW, Certification: ISO, Surface Treatment: Galvanized, Special Pipe: API Pipe, Alloy Or Not: Non-alloy, Product: Square steel pipe, Grade: 10#,20#,45#,16Mn,A53(A,B),A106(B,C),API J55,API K55,API N80,Q235,Q345,Q195,Q215,10#-45#,A53-A369,API J55-API P110,Q195-Q345, Standard: BS 1387,JIS G3463-2006,JIS G3459-2004,JIS G3461-2005,JIS G3454-2007,GB/T 8163-1999,GB/T 8162-1999,DIN EN 10216-1-2004,DIN EN 10217-1-2005,ASTM A106-2006,ASTM A53-2007,BS,JIS,GB,DIN,ASTM

Quick Brief: Thickness: 0.5 - 15 mm, Section Shape: Square, Outer Diameter: 500mm, Place of Origin: Shandong China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Hot Rolled, Certification: CE, Surface Treatment: Galvanized,oiled, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Grade: 10#,20#,45#,A53(A,B),A333,A369,Q345,Q195,Q215,10#-45#,A53-A369,Q195-Q345, Standard: BS 1387,BS EN10296,BS 1139,BS EN 39,JIS G3445-2006,GB 3087-1999,GB/T 3091-2001,GB/T 3094-2000,GB/T 9711.3-2005,DIN 2391,ASTM A106-2006,ASTM A53-2007,BS,JIS,GB,DIN,ASTM

Quick Brief: Thickness: 1.2 - 30 mm, Section Shape: Square, Outer Diameter: 20*20-600*600, Place of Origin: Tianjin China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Hot Rolled, Certification: API, Surface Treatment: Galvanized, Special Pipe: Thick Wall Pipe, Alloy Or Not: Non-alloy, Grade: A53(A,B),St37,St52,St42,St45,Q235,Q345,Q195,Q215,A53-A369,ST35-ST52,Q195-Q345, Standard: BS 1387,BS EN10296,BS EN10217,GB/T 3094-2000,ASTM A53-2007,API 5L,BS,GB,ASTM,API

Quick Brief: Thickness: 0.25 - 2.5 mm, Section Shape: Square, Outer Diameter: 10*10mm~100*150mm, Place of Origin: Guangdong China (Mainland), Secondary Or Not: Non-secondary, Application: Structure Pipe, Technique: Cold Rolled, Certification: ISO, Surface Treatment: Copper Coated, Alloy Or Not: Is Alloy, Thickness tolerance: 0.03, Length tolerance: 0.05, Grade: Cr17Ni8,1Cr13Mn9Ni1N,CrNi alloy