TORICH INTERNATIONAL LIMITED
| Model Number | GB/T9808-2008, JIS G3465-2006, ASTM A519 |
View Detail Information
Explore similar products
Cold Drawn 3mm/5mm/8mm/10mm Polished Tool Joint Drill Pipe Construction And
12CrMo 15CrMo St37 St42 Seamless Steel Tubes For Petroleum Cracking GB 9948
Mineral Mining Seamless Steel Tubes
1541G105 S135 Thread Types Coupling Drill Steel Pipe DZ60 DZ50
Product Specification
| Model Number | GB/T9808-2008, JIS G3465-2006, ASTM A519 | ||
| High Light | oil drill pipe ，cold drawn steel pipe | ||
Mining tubes with Alloy steel grade
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)/ XJY118-2010 | 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 Grade | Tensile Strength Mpa | Yield Point Mpa | Elongation % | Heat treatment | |||||
| 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 | |||||
Applications:For Geological Drill underground for Oil and mineral, for mining
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
#torich-about-brief, #torich-about-brief * { box-sizing: border-box; } #torich-about-brief { --torich-red: #d71920; --torich-dark: #222a31; --torich-text: #4f5962; --torich-muted: #77818a; --torich-line: #e7eaed; --torich-soft: #f6f7f8; width: 100%; color: var(--torich-text); ... #torich-about-brief, #torich-about-brief * { box-sizing: border-box; } #torich-about-brief { --torich-red: #d71920; --torich-dark: #222a31; --torich-text: #4f5962; --torich-muted: #77818a; --torich-line: #e7eaed; --torich-soft: #f6f7f8; width: 100%; color: var(--torich-text); ...
Get in touch with us
Leave a Message, we will call you back quickly!