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Jiangsu Hongbao Group Co., Ltd.

  • China ,Jiangsu
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China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for
China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for

  1. China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for
  2. China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for
  3. China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for
  4. China ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for

ASTM A519 Alloy Steel Oil Well Drill Pipe with Seamless Construction for

  1. MOQ: 1 ton
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,L/C
Supply Ability 2000 tons/month
Delivery Time 45 - 60 days
Packaging Details Plywood case, wooden box
Standard ASTM, ASME, API
Grade 4130, 4140, 4145
OD Size 4-219mm
WT Size 0.5-20mm
Shape Round
Application Oil Well Drilling
Production Process Cold Rolling
Brand Name Hongbao
Model Number HBOWD-1
Certification ISO9001
Place of Origin China

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  1. Product Details
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Product Specification

Payment Terms T/T,L/C Supply Ability 2000 tons/month
Delivery Time 45 - 60 days Packaging Details Plywood case, wooden box
Standard ASTM, ASME, API Grade 4130, 4140, 4145
OD Size 4-219mm WT Size 0.5-20mm
Shape Round Application Oil Well Drilling
Production Process Cold Rolling Brand Name Hongbao
Model Number HBOWD-1 Certification ISO9001
Place of Origin China
High Light ASTM A519 alloy steel drill pipeseamless chromoly tubing for sour serviceoil well drill pipe with warranty
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
  • Corrosion Resistance: Chromium-molybdenum composition provides improved corrosion resistance
Typical Applications
  • Mine blasting
  • Water well drilling
  • Geothermal wells drilling
  • Fore poling
  • Coal
  • Nonferrous metal mining projects
Quality Assurance
  • Full traceability and material certification
  • Comprehensive non-destructive testing (UT, MPI)
  • Hardness verification throughout length
  • SSC testing per NACE TM0177 methods
  • Dimensional inspection to API specifications
Packing
In plywood case and wooden box
ASTM A519 Alloy Steel Oil Well Drill Pipe product photo

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...

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  • Jiangsu Hongbao Group Co., Ltd.
  • DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
  • https://www.weldedsteel-tube.com/

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