Torich International Limited
| Packaging Details | IN BUNDLES OR WOODEN BOX |
| Delivery Time | 45-60 DAYS |
| Payment Terms | T/T L/C |
| Supply Ability | 20000 TONS PER YEAR |
| Production Method | Cold Drawn |
| Size range | O.D.:6-95mm W.T.:1-10mm L:max12000mm |
| Place of Origin | China |
| Brand Name | Torich |
| Model Number | Geological Drilling Tube |
| Certification | ISO9001,ISO14001,TS16949,DNV |
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Product Specification
| Packaging Details | IN BUNDLES OR WOODEN BOX | Delivery Time | 45-60 DAYS |
| Payment Terms | T/T L/C | Supply Ability | 20000 TONS PER YEAR |
| Production Method | Cold Drawn | Size range | O.D.:6-95mm W.T.:1-10mm L:max12000mm |
| Place of Origin | China | Brand Name | Torich |
| Model Number | Geological Drilling Tube | Certification | ISO9001,ISO14001,TS16949,DNV |
| High Light | Drilling tube ，drilling pipe ，mining tube | ||
Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)T600 T750 T800
Applications: For Geological Drill underground for Oil and mineral, for mining High TS value
Size Range:O.D.:6-95mm W.T.:1-10mm L:max12000mm
| Standard | Producton Method | Tube Size | Tolerance | |
| GB/T 9808-2008 | Hot rolled | OD | (+1.0%D) +0.65 (-0.5%D) -0.35 | |
| WT | ≤10 | (+15%S) +0.45 (-10%S) -0.35 | ||
| ＞10 | (+12.5%S, -10%S) | |||
| Cold drawn | OD | ±0.50%D or ±0.20 | ||
| WT | ±8%S or ±0.15 | |||
| Q(N)/ T118-2010 | Cold drawn | OD | OD | ±0.40%D or ±0.20 |
| WT | WT | ±7%S or ±0.15 | ||
Normal Dimension:
| Designation | Outside Diameter (mm) | Inside Diameter (mm) | ||
| Min | Max | Min | Max | |
| A Wireline | 44.45 | 44.70 | 34.82 | 35.07 |
| B Wireline | 55.55 | 55.90 | 45.95 | 46.30 |
| N Wireline | 69.95 | 70.30 | 60.05 | 60.30 |
| H Wireline | 88.90 | 89.38 | 77.62 | 78.10 |
| P Wireline | 114.30 | 114.78 | 102.79 | 103.27 |
Mechanical Properties:
| Stee Grade | Tensile Strength Mpa min | Yield Strength Mpa min | Elongation % min | HRC | Heat Treatment |
| T600 | 790 | 600 | 14 | ~ | N |
| T750 | 850 | 750 | 14 | 26-31 | QT |
| T850 | 950 | 850 | 14 | 28-33 | QT |
Chemical composition
| Stee Grade | C | Si | Mn | P max | S max | Cu max | Cr | Mo | B |
| T600 (45MnMoB) | 0.43-0.48 | 0.17-0.37 | 1.05-1.35 | 0.02 | 0.015 | 0.20 | ~ | 0.20-0.25 | 0.001- 0.005 |
| T750 (30CrMnSiA) | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | 0.02 | 0.015 | 0.20 | 0.8-1.1 | ~ | ~ |
| T850 4140 | 0.38-0.43 | 0.17-0.35 | 0.70-0.90 | 0.02 | 0.015 | 0.20 | 0.9-1.1 | 0.15- 0.25 | ~ |
Mechanical Properties:
| Steel | Tensile Strength Mpa | Yield Point Mpa | Elongation % | Heat treatment |
| Grade | min | |||
| ZT380 | 640 | 380 | 14 | Normlized |
| ZT490 | 690 | 490 | 12 | Normlized |
| ZT540 | 740 | 590 | 12 | Normlized |
| ZT590 | 770 | 590 | 12 | Normlized |
| ZT640 | 790 | 640 | 12 | QT |
| ZT740 | 840 | 740 | 10 | QT |
| T850 | 950 | 850 | 15 | QT |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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