مته لوله های فولادی

GB/T9808-2008Q / XJY118-2010 Mining & Drill Tubes With Alloy Steel Grade GB/T9808-2008Q / XJY118-2010 Mining & Drill Tubes With Alloy Steel Grade O.D 5-420mm W.T 0.5-50mm L Max 12000mm Application For wire-line drill rods,core barel tubes ,drill rods coupling casing Steel Grade and Chemical ...

GB/T9808 ZT380 Good OD and ID tolerance Seamless Steel Tubes Size: OD:33-340mm WT:2-28mm L:4000mm-12500mm Steel Grade: ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740 The Production method: Hot rolling(extrusion) or cold drawing(rolling) seamless method. Delivery State: Hot rolling(extrusion)steel tubes ...

Seamless Steel Tubes for Petroleum Cracking GB 9948 Spec: Material:10# 20# 12CrMo 15CrMo st37 st42 Size Range: OD:4-1200mm WT:0.3-200mm General Length:4-12m Tolerance: According to the following tables or customers’ request. Table1 The Tolerances of Outer Diameter and Wall Thickness Unit:mm Sort ...

Product Name: JIS G3465 Alloy Steel Grade Oil Drill Mineral Mining Seamless Steel Tubes Size range: O.D.:6-420mm W.T.:0.5-50mm L:4000-12500mm according to customers' actual application and production. Application : For Geological Drill underground for Oil and Mineral, for Mining Exploration,for Wire ...

ASTM A519 4130 4140 +N Q+T Seamless Drilling Steel Pipe for Geological Exploration Standard: ASTM A519 ASTM A519 4130 4140 +N Q+T Seamless Drilling Steel Pipe for Geological Exploration Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm Applications: for Machinery, Mechanical Engineer Raw Material: ...

JIS G 3465 STMC-C-540 , STMC-C-640 , STM-R-590 , STM-R-690 , STM-R-780 , STM-R-830 Seamless Steel Tubes for Drilling JIS G 3465 Seamless Steel Tubes for Drilling Steel Grade: STMC-C-540, STMC-C-640, STM-R-590, STM-R-690, STM-R-780, STM-R-830 Dimension: OD *WT according to customers' actual ...

JIS G 3465 Seamless Drill Steel Pipes and Tubes for Drilling for mineral exploration JIS G 3465 Seamless Steel Tubes for Drilling Dimension:OD 30-150mm, WT: 3-20mm Application :for Drill rod, Casing tube, Core tube CHEMICAL COMPOSITION % max C Si 0.04 0.04 MECHANICAL PROPERTIES min Steel grade ...

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 ...