Torich International Limited
| Payment Terms | L/C, T/T |
| Supply Ability | 1000tons per year |
| Delivery Time | 5-8 weeks |
| Packaging Details | In bundles or in wooden boxes package |
| Material | 45MnMoB DZ40 DZ60 |
| Length | Random Length |
| Machining | Cut |
| Origin | China |
| End | Plain |
| Certificate | EN10304.3.1 |
| Brand Name | Torich |
| Model Number | 40crni2mo |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000tons per year |
| Delivery Time | 5-8 weeks | Packaging Details | In bundles or in wooden boxes package |
| Material | 45MnMoB DZ40 DZ60 | Length | Random Length |
| Machining | Cut | Origin | China |
| End | Plain | Certificate | EN10304.3.1 |
| Brand Name | Torich | Model Number | 40crni2mo |
| Certification | ISO9001 | Place of Origin | China |
42.4*6.8 45MnMoB DZ40 DZ60 Geological Drill Pipes
| Key Word | 45MnMoB Seamless Drill Tubes |
| Material | 45MnMoB, 10#, 20#, 45#, 4130, 4140, 16Mn etc |
| Size | OD: 5-420mm; WT: 0.5-50mm; Length: 3450mm, 3500mm, max12000mm |
| Technique | Cold Drawn Seamless |
| Application | For wire-line drill rods,core barel tubes,drill rods coupling casing |
| Chemical composition of 45MnMoB C: 0.41-0.49, Si: 0.17-0.37, Mn: 0.9-1.2, S: 0.04max, P: 0.04max, Mo: 0.2-0.3, B: 0.001-0.005 | |
Tolerance of Outer Diameter and Wall Thickness
| Standard | Production Method | Tube Size | Tolerance | |
| GB/T9808-2008 | Hot Rolled | OD | (+1.0%D) or +0.65 (-0.5%D) -0.35 | |
| WT | ≤10 | (+15%S)or +0.45 (-10%S) -0.35 | ||
| >10 | (+12.5%S, -10%S) | |||
| Cold Drawn(rolled) | OD | ±0.50%D or ±0.20 | ||
| WT | ±8%S or ±0.15 | |||
| Q(N)/T118-2010 | Cold Drawn | OD | ±0.40%D or ±0.20 | |
| WT | ±7%S or ±0.15 | |||
Mechanical Property
| Steel Grade | Tensile Strangth Rm/MPa | Specifies the non-proportional extension strength Rp0.2/MPa | Percentage elongation after fracture A/% |
| No less than | |||
| ZT380 | 640 | 380 | 14 |
| ZT490 | 690 | 490 | 12 |
| ZT520 | 780 | 520a | 15b |
| ZT540 | 740 | 540 | 12 |
| ZT590 | 770 | 590 | 12 |
| ZT640 | 790 | 640 | 12 |
| ZT740 | 840 | 740 | 10 |
Product Show
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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