Outer Diameter | 12mm-720mm |
Wall Thickness | 0.6mm-20mm |
Length | 1m-5.8m/6m/11.8m/12m, or random length as client's requests |
Tolerence | ±5% |
Surface Treatment | Galvanized(hot dip and pre-gal.); Color painted; Electroplating; Oiled |
Standards | ASTM A53,BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255 |
Material | Q195, Q215, Q235, Q345 |
Certificate | IS0 9001:2000 |
End Treatment | Plain end; Beveled; Threaded with sockets/coupling and plastic caps |
Packaging | In bundles; PVC export packing; or as client's requests |
Usage | Scaffolding pipe; Structure pipe; Fence/Door pipe; Furniture;Â |
Low pressure fluid pipe for water, oil or gas; Boiler pipe | |
Delivery Time | 10days from stock; 20-30days produced according to the qty |
Payment Term | T/T; L/C |
Price Term | CIF; CFR;Â Â FOB Tianjin, China; EXW |
Loading Port | Tianjin, China |
MOQ | One container |
Others | 1.All the pipes is high-frequency welded. |
2.Both inner and outer welded stab can be removed. | |
3.Special design available according to requirement. | |
4.Pipe can be necked down and punched holes. | |
5.Supplying BV or SGS Inspection if client need. |
2.Product  Chemical Composition & Mechanical Properties : Â
Grade | Chemical Composition | Mechanical Properties | ||||||
C | Mn | Si | S | P | Yield | Tensile | Elongati | |
Strength Mpa | Strenth Mpa | -on % | ||||||
Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥215 | 335-450 | ≥27 |
Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
3: Technological Process
Process flow of Rectangular and Square steel pipe:

                                       Hot Rolling                                                                                 Annealing


                      Pickled


-------------------------------------------------------------------------------------------------------------------------------------------
4:WHY CHOOSE US ???

Dear Customers, If you have any questions, Pls give me a call or send me email, Welcome to my factory anytime!!!
HENAN UNION STEEL IMPORT&EXPORT CO.,LTD
UNION STEEL GROUP CO.,LIMITED
TEL:0371-85510799Â Â Â Â FAX: 0371-85510788
MOBILE/: +86-13612105379
Â
Â
 1.. Product basic info:
Outer Diameter | 12mm-720mm |
Wall Thickness | 0.6mm-20mm |
Length | 1m-5.8m/6m/11.8m/12m, or random length as client's requests |
Tolerence | ±5% |
Surface Treatment | Galvanized(hot dip and pre-gal.); Color painted; Electroplating; Oiled |
Standards | ASTM A53,BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255 |
Material | Q195, Q215, Q235, Q345 |
Certificate | IS0 9001:2000 |
End Treatment | Plain end; Beveled; Threaded with sockets/coupling and plastic caps |
Packaging | In bundles; PVC export packing; or as client's requests |
Usage | Scaffolding pipe; Structure pipe; Fence/Door pipe; Furniture;Â |
Low pressure fluid pipe for water, oil or gas; Boiler pipe | |
Delivery Time | 10days from stock; 20-30days produced according to the qty |
Payment Term | T/T; L/C |
Price Term | CIF; CFR;Â Â FOB Tianjin, China; EXW |
Loading Port | Tianjin, China |
MOQ | One container |
Others | 1.All the pipes is high-frequency welded. |
2.Both inner and outer welded stab can be removed. | |
3.Special design available according to requirement. | |
4.Pipe can be necked down and punched holes. | |
5.Supplying BV or SGS Inspection if client need. |
2.Product  Chemical Composition & Mechanical Properties : Â
Grade | Chemical Composition | Mechanical Properties | ||||||
C | Mn | Si | S | P | Yield | Tensile | Elongati | |
Strength Mpa | Strenth Mpa | -on % | ||||||
Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥215 | 335-450 | ≥27 |
Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
3: Technological Process
Process flow of Rectangular and Square steel pipe:

                                       Hot Rolling                                                                                 Annealing


                      Pickled


-------------------------------------------------------------------------------------------------------------------------------------------
4:WHY CHOOSE US ???

Dear Customers, If you have any questions, Pls give me a call or send me email, Welcome to my factory anytime!!!
HENAN UNION STEEL IMPORT&EXPORT CO.,LTD
UNION STEEL GROUP CO.,LIMITED
TEL:0371-85510799Â Â Â Â FAX: 0371-85510788
MOBILE/: +86-13612105379
Â
Â
Â
We carry high quality Speed Governor as below
Passenger Elevator Speed Governors, Panoramic Elevator Speed Governors, Home Elevator Speed Governors, Hospital Bed Elevator Speed Governors, Freight Elevator Speed Governors, Car Elevator Speed Governors, Service Elevator Speed Governors, Goods Elevator Speed Governors, MRL Elevator Speed Governors
for all major elevator and escalator brands as below
OTIS Elevators, ThyssenKrupp Elevators, Sch****** Elevators, KONE Elevators, Mitsubishi Elevators, Fujitec Elevators, Hitachi Elevators, Toshiba Elevators, Fuji Elevators, Express Elevators, Sigma Elevators, LG Elevators, Hyundai Elevators, BLT Elevators, CANNY Elevators, SJEC Elevators, KOYO Elevators, IFE Elevators, Thyssen Elevators, GiantKONE Elevators, XJ Sch****** Elevators, Xizi OTIS Elevators, Shanghai Mitsubishi Elevators, GUANGRI Elevators
OTIS Elevator Overspeed Governor, Thyssen Elevator Overspeed Governor, KONE Elevator Overspeed Governor, GiantKONE Elevator Overspeed Governor, ThyssenKrupp Elevator Overspeed Governor, Sch****** Elevator Overspeed Governor, XJ Sch****** Elevator Overspeed Governor, Xizi OTIS Elevator Overspeed Governor, Mitsubishi Elevator Overspeed Governor, Shanghai Mitsubishi Elevator Overspeed Governor, Fujitec Elevator Overspeed Governor, Hitachi Elevator Overspeed Governor, Toshiba Elevator Overspeed Governor, Hyundai Elevator Overspeed Governor, LG Elevator Overspeed Governor, Sigma Elevator Overspeed Governor, Express Elevator Overspeed Governor, GUANGRI Elevator Overspeed Governor, FUJI Elevator Overspeed Governor, BLT Elevator Overspeed Governor, CANNY Elevator Overspeed Governor, SJEC Elevator Overspeed Governor, KOYO Elevator Overspeed Governor, IFE Elevator Overspeed Governor
We also offer multinational corporation with different overspeed governor as below trip speed governor, bail type governor, horizontal shaft governor, pull through governor, centrifugal governor, centrifugal type governor, flyball governor, tail rope governor, displacement governor, displacement type governor, governor safety fence, governor overspeed switch, governor tripping speed, governor catch, governor bracket,
governor rope grip jaw, governor switch, governor rope, governor cable, rope retaining guard, governor sheave, governor rope tension sheave, governor tension sheave, governor rope releasing carrier, governor tension weights, wedge type governor, disk type speed governor, escalator overspeed governor, Elevator Speed Governor, Elevator Overspeed Governor, Elevator Governor
Elevator Speed Governor,Elevator Overspeed Governor,Over Speed Control Governor,Passenger Elevator Overspeed Governor, Elevator Governors
CEP Elevator Products ( China ) Co., Ltd. , https://www.zjelevatorcontrolsystem.com