TORICH INTERNATIONAL LIMITED
| Supply Ability | 10000 tons per year |
| Delivery Time | 5-8 weeks |
| Packaging Details | In hexagonal bundles |
| Material | Alloy Steel Grade |
| Type | DCDMA (USA), BS4019 (UK), METRIC (SWEDEN) |
| Production | Cold Drawn |
| Heat Treatment | +N, Q+T |
| Application | Wire Line,Drill Rod, Core Barrel |
| Standard | GB/T9808-2008 |
| Brand Name | TORICH |
| Model Number | DCDMA (USA), BS4019 (UK), METRIC (SWEDEN) |
| Certification | ISO9001:2008, ISO14001:2008, TS16949 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 10000 tons per year | Delivery Time | 5-8 weeks |
| Packaging Details | In hexagonal bundles | Material | Alloy Steel Grade |
| Type | DCDMA (USA), BS4019 (UK), METRIC (SWEDEN) | Production | Cold Drawn |
| Heat Treatment | +N, Q+T | Application | Wire Line,Drill Rod, Core Barrel |
| Standard | GB/T9808-2008 | Brand Name | TORICH |
| Model Number | DCDMA (USA), BS4019 (UK), METRIC (SWEDEN) | Certification | ISO9001:2008, ISO14001:2008, TS16949 |
| Place of Origin | China | ||
| High Light | oil drill pipe ，cold drawn steel pipe | ||
Drill Pipes for Oil and Mineral Mining
Applications: For Geological Drill underground for Oil and Mineral, for Mining Exploration
Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)
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 Sizes:
| 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,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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