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{"title":"ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for","imgUrl":"https:\/\/img.chinax.com\/nimg\/50\/bc\/79f6fb48531570dd28aa21630b1a-200x200-1\/astm_a519_alloy_steel_oil_well_drill_pipe_with_seamless_construction_for.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-1","Certification":"ISO9001","Place of Origin":"China"}}
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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"}}
ASTM A519 Alloy Steel Oil Well Drill Pipe, Seamless Chromoly Tubing for Nonferrous Metal Mining Projects
This ASTM A519 alloy steel drill pipe represents premium-grade seamless mechanical tubing engineered for demanding applications in both oilfield drilling and nonferrous mining operations. Manufactured from chromium-molybdenum steel (typically 4130/4140 grades), it delivers exceptional mechanical properties including high tensile strength, superior torsional resistance, and enhanced fatigue durability.
In oil well drilling applications, the pipe's seamless construction ensures reliable performance under high internal pressure and cyclic loading conditions. Its optimized strength-to-weight ratio enables deeper drilling capabilities while maintaining structural integrity in challenging downhole environments.
For nonferrous mining projects involving copper, lithium, nickel and other metals, this chromoly tubing demonstrates outstanding abrasion resistance against abrasive slurries and corrosive media. It serves excellently in critical roles including high-pressure hydraulic systems, mineral slurry transport lines, and drill rods for blast hole drilling.
The cold-drawn manufacturing process ensures precise dimensional tolerances and improved surface finish while enhancing yield strength through strain hardening. All materials are certified to ASTM A519 standards with complete traceability, guaranteeing consistent performance and reliability in the most demanding operating conditions.
Specifications
Specifications
ASTM, ASME and API
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, Treaded
Grade 4130 Pipe 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
Grade 4130 Pipe 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 (Typical for steel)
140 GPa
20300 ksi
Shear modulus (Typical for steel)
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 (Converted from Brinell hardness)
240
240
Hardness, Rockwell B (Converted from Brinell hardness)
95
95
Hardness, Rockwell C (Converted from Brinell hardness)
17
17
Hardness, Vickers (Converted from Brinell hardness)
228
228
Machinability
70
70
Key Features and Benefits
NACE MR0175/ISO 15156 Compliance: Certified for sour service applications with controlled hardness
Superior SSC/HIC Resistance: Specialized manufacturing prevents sulfide stress cracking
Enhanced Mechanical Properties: High yield strength (550-750 MPa) with excellent impact toughness
Seamless Reliability: Homogeneous structure ensures consistent performance in critical applications
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...
