Ningbo Hesen Steel Tube Co., Ltd .

We deals in the following products of India, China, Taiwan and Korea Origin:- 1)Hot Rolled Steel (Hot Rolled Sheets, Hot Rolled Coils, Hot Rolled Plates, Hot Rolled Bars etc) 2)Galvanized Steel (Galvanized Steel Tapes, Galvanized Steel Wires, Galvanized Steel Strips, Galvanized Steel Coils, Galvanized tubes etc) 3)Cold Rolled Steel (Cold Rolled Steel Strips, Cold Rolled Steel Coils, Cold Rolled Sheets etc) 4)Stainless Steel (Stainless Steel Strips, Stainless Steel Coils, Stainless Steel Wire, Hardened and Tempered Spring Steel, Stainless Spring Steel, Spring Steel Wires etc) 5)Steel Tube and Pipes ( ERW, CRW, CRS, Black, Galvanized, Stainless ) 6)Forged Column Clamps, Girder Clamps, Pressed Clamps, Rapid Clamps, Support Clamps & Wedge Clamps. 7)Heavy Duty Props & Light Duty Props. 8)Nuts, Bolts, Nails & Fastners 9)System Scaffolding, Base Plate & Adjustable Base. 10)Steel Tie Rod, Waller Plates and Wing Nuts. 11)Drop Forged and Pressed Sheet Metal Couplers of all types. 12)Steel Billets, Steel Angle & Steel Channels.

Material ASTM A53, A106, A210, A252, A333 Grade Q195 SS330,ST37,ST42 Q235 SS400,S235JR Q345 S355JR,SS500,ST52

We deals in the following products of India, China, Taiwan and Korea Origin:- 1)Hot Rolled Steel (Hot Rolled Sheets, Hot Rolled Coils, Hot Rolled Plates, Hot Rolled Bars etc) 2)Galvanized Steel (Galvanized Steel Tapes, Galvanized Steel Wires, Galvanized Steel Strips, Galvanized Steel Coils, Galvanized tubes etc) 3)Cold Rolled Steel (Cold Rolled Steel Strips, Cold Rolled Steel Coils, Cold Rolled Sheets etc) 4)Stainless Steel (Stainless Steel Strips, Stainless Steel Coils, Stainless Steel Wire, Hardened and Tempered Spring Steel, Stainless Spring Steel, Spring Steel Wires etc) 5)Steel Tube and Pipes ( ERW, CRW, CRS, Black, Galvanized, Stainless ) 6)Forged Column Clamps, Girder Clamps, Pressed Clamps, Rapid Clamps, Support Clamps & Wedge Clamps. 7)Heavy Duty Props & Light Duty Props. 8)Nuts, Bolts, Nails & Fastners 9)System Scaffolding, Base Plate & Adjustable Base. 10)Steel Tie Rod, Waller Plates and Wing Nuts. 11)Drop Forged and Pressed Sheet Metal Couplers of all types. 12)Steel Billets, Steel Angle & Steel Channels.

Product Name Seamless Carton Steel Pipe Grade Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST422 Q345 = S355JR / A500 Grade B Grade C Q355,45#ï¼?40# Length 5.8~12.0 m or as customized Surface Treatment Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment) Inspection With Chemical Composition and Mechanical Properties AnalysisDimensional and Visual Inspection, also with Nondestructive Inspection.

Product Name Precision Steel Pipe Standard DIN2391 EN10305-1 ASTMA179 ASTM A192 ASTM A519 Material SAE1010,SAE1020,#10,#20,#45,304,316 Outer diameter 8MM-50MM Wall thickness 0.5-50.0MM Length fixed(3-12m) or customized Technology High precision Cold drawn/ Cold rolled Heat treatment BK/BKS/NBK Advantages Short delivery time Quality assurance Competitive price

High Precision Steel Pipe for Gas spring Cylinder Type:Seamless and Welded Steel Tube Roughness 0.1-0.8ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020 Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101 Size :OD 3mm-140mm Thickness 0.5-20mm Processing :Cold rolled /cold drawn 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. Usage: Gas Spring Cylinder

High Precision Steel Pipe for Gas spring Cylinder Type:Seamless and Welded Steel Tube Roughness 0.1-0.8ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020 Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101 Size :OD 3mm-140mm Thickness 0.5-20mm Processing :Cold rolled /cold drawn 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. Usage: Gas Spring Cylinder

High Precision Steel Pipe for Gas spring Cylinder Type:Seamless and Welded Steel Tube Roughness 0.1-0.8ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020 Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101 Size :OD 3mm-140mm Thickness 0.5-20mm Processing :Cold rolled /cold drawn 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. Usage: Gas Spring Cylinder