ROSCHEN GROUP
| Supply Ability | 100000000 pcs |
| Packaging Details | Steel bundle |
| Brand Name | ROSCHEN |
| Model Number | 3 3 1/2 4 4 1/4 4 1/2 5 inch |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 100000000 pcs | Packaging Details | Steel bundle |
| Brand Name | ROSCHEN | Model Number | 3 3 1/2 4 4 1/4 4 1/2 5 inch |
| Certification | ISO | Place of Origin | CHINA |
| High Light | DTH drilling ，DTH drill pipe ，DTH Hammer Drilling Machine | ||
3m 76mm 2 3/8 Reg Water Well Drill Pipe for DTH Hammer Drilling Machine
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DTH drill pipe is mainly used in the drilling blasting hole, guardrail hole, mountain reinfrcement, anchoring and other engineering holes in mines, tunnels, high ways, railways and so on.
Roschen group limited is a professional manufacturer of drill pipe, drilling rig and other drilling tools. We have good export conditions to Shanghai port. Our factory covers an area of 50,000 square meters.
| Drill Pipe Raw Material performances | ||||
| Steel Grade | Yield Strength | Tensile Strength | ||
| Min(Mpa) | Max(Mpa) | Min(Mpa) | Max(Mpa) | |
| E-75 | 517 | 724 | 100 | 689 |
| G105 | 724 | 931 | 793 | 750 |
| S135 | 931 | 1138 | 1000 | 850 |
| R780 | 520 | 666 | 780 | 876 |
| Drill Pipe Specifications | ||||||
| Drill Pipe Outer Diameter | Thread Type | Steel Grade | Wall Thickness | End-Upset type | Length | |
| inch | mm | (mm) | (mm) | |||
| 3 | 76 | 2-3/8" REG | R780, G105, S135 | 6, 8 | IU | 1000--5000 |
| 3 1/2 | 89 | 2 3/8'' IF NC26 | R780, G105, S135 | 6.5, 8 | IU | 1000--5000 |
| 4 | 102 | 2 7/8'' IF NC31 | R780, G105, S135 | 8, 9.19 | IU | 1000--5000 |
| 4 1/4 | 108 | 2 7/8'' IF NC31 | R780, G105, S135 | 8, 9.19 | IU | 1000--5000 |
| 4 1/2 | 114 | 2 7/8'' IF NC31 | R780, G105, S135 | 8, 10 | IU | 1500--6000 |
| 5 | 127 | 3 1/2'' IF NC38 | R780, G105, S135 | 8, 10, 12 | IU | 1500--6000 |
Features:
- Stable raw material purchasing
- Favorable orders follow-up management
- Laudable lead-time & shipment control
- Traceable quality evaluation
- Flexible payment terms
- Remarkable after-sale service
Our Advantages
1. Production quality and standards meet and exceed the Comprehensive requirements of API5D, API7G, APIQ1. achieve the international first-class.
2. World-class raw materials and advanced heat treatment process,fully reflects the high strength and toughness,especially with high temperature toughness.
3. Sleek long tube thickening transition zone and a solid abrasion-proof increase the service life of drill pipe and the degree of safety.
4. Pipe body material: High quality alloy seamless pipe of R780, E75, X95, G105, S135
5. Top-notch technical team
6. Perfect quality management
7. Advanced and first-class equipment
8. Professional experience of 45 years
9. Comprehensive international standard
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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