TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 20000 T/Year |
| Delivery Time | 35days |
| Packaging Details | packing in wooden boxes or in hexagonal bundles |
| Name | GB/T14291 Q235A Q295B Q345A Welded Steel Pipes for ore pulp transportation |
| Grade Group | Q195-Q345 |
| Surface | normalized |
| Material | Q215/Q295/Q235/Q345 A/B |
| Shape | Round Shape |
| Technique | EFW |
| WT | 0.5-50mm |
| OD | 5-600mm |
| Brand Name | TORICH |
| Model Number | GB/T14291 |
| Certification | ISO9001:2008,ISO14001:2008,TS16949,CE PED,TUV,APIABS,BV,Lloyd's,CCS,DNV,CCS,KR,RINA,SON,GL |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 20000 T/Year |
| Delivery Time | 35days | Packaging Details | packing in wooden boxes or in hexagonal bundles |
| Name | GB/T14291 Q235A Q295B Q345A Welded Steel Pipes for ore pulp transportation | Grade Group | Q195-Q345 |
| Surface | normalized | Material | Q215/Q295/Q235/Q345 A/B |
| Shape | Round Shape | Technique | EFW |
| WT | 0.5-50mm | OD | 5-600mm |
| Brand Name | TORICH | Model Number | GB/T14291 |
| Certification | ISO9001:2008,ISO14001:2008,TS16949,CE PED,TUV,APIABS,BV,Lloyd's,CCS,DNV,CCS,KR,RINA,SON,GL | Place of Origin | CHINA |
| High Light | welding steel tubing ，electric resistance welded steel tube | ||
Product Name:TORICH GB/T14291 Q235A Q295B Q345A Welded Steel Pipes for ore pulp transportation
Standard: GB/T14291
OD: 5-600mm
WT: 0.5-50mm
Length: 1-12mm or according to customers' actual application and production.
Application:for ore pulp transportation
Steel Grade:Q235A Q235B Q295A Q345B Q295B Q345A
Technology:High frequency straight seam welding(HFW)
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Table 1 Outer Diameter,Wall Thicknes,Theoretical Weight and Test Pressure
| Norminal Outer Diameter(D)/mm | Norminal Wall Thickness(S)/mm | Theoretical Weight/(kg/m) | Test Pressure/MPa | ||
| Q235A,Q235B | Q295A,Q295B | Q345A,Q345B | |||
| 21.3 | 2.5 | 1.16 | 15 | 15 | 15 |
| 21.3 | 3 | 1.35 | 15 | 15 | 15 |
| 21.3 | 3.5 | 1.54 | 15 | 15 | 15 |
| 25 | 2.5 | 1.39 | 15 | 15 | 15 |
| 25 | 3 | 1.63 | 15 | 15 | 15 |
| 25 | 3.5 | 1.86 | 15 | 15 | 15 |
| 25 | 4 | 2.07 | 15 | 15 | 15 |
| 26.9 | 2.5 | 1.50 | 15 | 15 | 15 |
| 26.9 | 3 | 1.77 | 15 | 15 | 15 |
| 26.9 | 3.5 | 2.02 | 15 | 15 | 15 |
| 26.9 | 4 | 2.26 | 15 | 15 | 15 |
| 31.8 | 2.5 | 1.81 | 15 | 15 | 15 |
| 31.8 | 3 | 2.13 | 15 | 15 | 15 |
| 31.8 | 3.5 | 2.44 | 15 | 15 | 15 |
| 31.8 | 4 | 2.74 | 15 | 15 | 15 |
| 33.7 | 2.5 | 1.92 | 15 | 15 | 15 |
| 33.7 | 3 | 2.27 | 15 | 15 | 15 |
| 33.7 | 3.5 | 2.61 | 15 | 15 | 15 |
| 33.7 | 4 | 2.93 | 15 | 15 | 15 |
| 38 | 2.5 | 2.19 | 15 | 15 | 15 |
| 38 | 3 | 2.59 | 15 | 15 | 15 |
| 38 | 3.5 | 2.98 | 15 | 15 | 15 |
| 38 | 4 | 3.35 | 15 | 15 | 15 |
| 40 | 2.5 | 2.31 | 15 | 15 | 15 |
| 40 | 3 | 2.74 | 15 | 15 | 15 |
| 40 | 3.5 | 3.15 | 15 | 15 | 15 |
| 40 | 4 | 3.55 | 15 | 15 | 15 |
| 42.4 | 2.5 | 2.46 | 15 | 15 | 15 |
| 42.4 | 3 | 2.91 | 15 | 15 | 15 |
| 42.4 | 3.5 | 3.36 | 15 | 15 | 15 |
| 42.4 | 4 | 3.79 | 15 | 15 | 15 |
| 48.3 | 2.5 | 2.82 | 14.6 | 15 | 15 |
| 48.3 | 3 | 3.35 | 15 | 15 | 15 |
| 48.3 | 3.5 | 3.87 | 15 | 15 | 15 |
| 48.3 | 4 | 4.37 | 15 | 15 | 15 |
| 51 | 2.5 | 2.99 | 13.8 | 15 | 15 |
TABLE 2 Allowable deviation of outer diameter and wall thickness
Unit: millimeter
| Nominal outside diameter D | Allowable deviation of outer diameter | Permissible deviation of wall thickness |
| D≤48.3 | ±0.50 | ±10%S |
| 48.3＜D≤273 | ±1%D | |
| D＞273 | ±0.75%D |
TABLE 3 Mechanical Property
| Grade | Tensile strength N/m | Lower yield strength N/m | Elongation A% Not less than | |
| D≤168.3 | D＞168.3 | |||
| Q235A,Q235B | 375 | 235 | 15 | 20 |
| Q295A,Q295B | 390 | 295 | 13 | 18 |
| Q345A,Q345B | 470 | 345 | 13 | 18 |
| Note : Tensile test arbitration time is based on longitudinal sample. | ||||
TABLE 4 Inspection items, test methods and sampling number of steel pipes
| NO | Inspection project | Sampling method and test method | Sampling quantity |
| 1 | chemical composition | GB/T 20066,GB/T 223,GB/T 4336 | One each furnace(canister) |
| 2 | Tensile test | GB/T 228,GB/T 2975 | One each batch |
| 3 | Tensile test | GB/T 241 | One by one |
| 4 | Ultrasonic examination | GB/T18256 | One by one |
| 5 | Eddy current flaw detection | GB/T 7735 | One by one |
| 6 | Bending test | GB/T 244 | Two per batch |
| 7 | Flattening test | GB/T 246 | Four each roll |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Who We are ？ -------A professional steel pipes materials inventor, manufacturer and solution provider Torich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which hol... Who We are ？ -------A professional steel pipes materials inventor, manufacturer and solution provider Torich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which hol...
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