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{"title":"90MM Outer Diameter Gr 4130 Chromium-Molybdenum Alloy Seamless Steel Pipe for","imgUrl":"https:\/\/img.chinax.com\/nimg\/58\/3a\/9a6ba1157dc89c0e53fd6f368dc1-200x200-1\/90mm_outer_diameter_gr_4130_chromium_molybdenum_alloy_seamless_steel_pipe_for_oil_well_drill_pipe_and_casing_tubing.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-1","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"4130 Steel Oil Well Pipe - Corrosion Resistant High Tensile Strength Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/56\/266932f39f054cdb6dc750775efc-200x200-1\/4130_steel_oil_well_pipe_corrosion_resistant_high_tensile_strength_precision_engineered_for_oil_drilling.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO900, DNV","Place of Origin":"China"}}
{"title":"DIN2391 Standard 42CrMo Steel Grade High-Tensile Strength Drill Rod Tube for Oil","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/09\/cb9bf38b0771957a67c4eedf2aa7-200x200-1\/din2391_standard_42crmo_steel_grade_high_tensile_strength_drill_rod_tube_for_oil_drilling_pipe_and_core_barrel.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001,DNV","Place of Origin":"China"}}
Round Shape Carbon Steel Pipe for Geothermal Well Drilling
Product Overview
This Grade 4130 thick-wall drill pipe represents advanced carbon steel engineering specifically designed for challenging geothermal well drilling applications. Manufactured as seamless round tubing with enhanced wall thickness, it delivers exceptional torsional strength and pressure integrity in high-temperature geothermal environments.
The heavy-wall construction provides superior resistance to compression loading and deformation when drilling through abrasive volcanic formations typical in geothermal fields. Its chromium-molybdenum alloy composition offers reliable performance in corrosive geothermal fluids containing H₂S and CO₂, while maintaining structural stability at elevated temperatures up to 400°C.
Precision-engineered with controlled heat treatment, this drill pipe achieves optimal mechanical properties for extended-reach drilling operations. The thick-walled design ensures extended service life in both drilling and casing applications, reducing operational downtime in extreme geothermal conditions where conventional drill pipes would fail prematurely.
Specifications
Specifications
Standards
Size
O.D.: 4 to 219mm W.T.: 0.5 to 20mm
Specialized in
Large Diameter Size
Length
Within 13500mm
Type
Seamless
Shape
Round
End
Plain End, Beveled End, Threaded
Chemical Composition
Element
Content (%)
Iron, Fe
97.03 - 98.22
Chromium, Cr
0.80 - 1.10
Manganese, Mn
0.40 - 0.60
Carbon, C
0.280 - 0.330
Silicon, Si
0.15 - 0.30
Molybdenum, Mo
0.15 - 0.25
Sulfur, S
0.040
Phosphorous, P
0.035
Mechanical Properties
Properties
Metric
Imperial
Tensile strength, ultimate
560 MPa
81200 psi
Tensile strength, yield
460 MPa
66700 psi
Modulus of elasticity
190-210 GPa
27557-30458 ksi
Bulk modulus
140 GPa
20300 ksi
Shear modulus
80 GPa
11600 ksi
Poissons ratio
0.27-0.30
0.27-0.30
Elongation at break (in 50 mm)
21.50%
21.50%
Reduction of area
59.6
59.60%
Hardness, Brinell
217
217
Hardness, Knoop
240
240
Hardness, Rockwell B
95
95
Hardness, Rockwell C
17
17
Hardness, Vickers
228
228
Machinability
70
70
Key Features and Benefits
Enhanced Mechanical Strength: Superior yield and tensile strength for deep well applications
Improved Fatigue Life: Excellent resistance to cyclic loading and vibration stresses
Optimized Drilling Performance: Maintains wellbore stability and drilling accuracy
Corrosion Resistance: Chromium-molybdenum composition provides better corrosion resistance than standard carbon steel
Typical Applications
Mine blasting
Water well drilling
Geothermal wells drilling
Fore poling
Coal
Nonferrous metal mining projects
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
