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{"title":"4130 Chromoly Oil Well Drilling Pipe with Seamless Construction and API 5D","imgUrl":"https:\/\/img.chinax.com\/nimg\/1b\/96\/57cf2b829caa1f5f48027cf3225e-200x200-1\/4130_chromoly_oil_well_drilling_pipe_with_seamless_construction_and_api_5d.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-10","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"ASTM A519 Grade 4130 Seamless Cold Drawn Oil Drilling Pipe for Drill Rod","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/df\/5d1b3d834458e11174a41e54a4c0-200x200-1\/astm_a519_grade_4130_seamless_cold_drawn_oil_drilling_pipe_for_drill_rod_applications.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-1","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"DIN2391 Standard 1541 Steel Grade Seamless Steel Tube Drill Rod for Oil Well","imgUrl":"https:\/\/img.chinax.com\/nimg\/b1\/3e\/245e211a71e5af9f12f380e17a74-200x200-1\/din2391_standard_1541_steel_grade_seamless_steel_tube_drill_rod_for_oil_well_drilling_with_cold_rolling_processing.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001, DNV","Place of Origin":"China"}}
{"title":"EN10305-1 Standard 45MnMoB Grade Seamless Steel Oil Well Drill Pipe with 30-139","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/6e\/367b84f703eb04aa7894bf699915-200x200-1\/en10305_1_standard_45mnmob_grade_seamless_steel_oil_well_drill_pipe_with_30_139_7mm_od_range.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001, DNV","Place of Origin":"China"}}
{"title":"ASTM A519 4130 Oil Well Drilling Pipe with High Strength-to-Weight Ratio and","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/76\/f1a2c208d2ab47244015529fb980-200x200-1\/astm_a519_4130_oil_well_drilling_pipe_with_high_strength_to_weight_ratio_and_exceptional_toughness.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-7","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"30CrMo Seamless Oil Well Drilling Pipe with Superior Mechanical Properties, High","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/c9\/206b44da91df218f7efa56602400-200x200-1\/30crmo_seamless_oil_well_drilling_pipe_with_superior_mechanical_properties_2c_high_tensile_strength_2c_and_corrosion_resistance.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-2","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"4140 Seamless Steel Oil Well Drilling Pipe with High Straightness and Quenched &","imgUrl":"https:\/\/img.chinax.com\/nimg\/63\/9e\/2056f4f095d39d45637e2fb2993a-200x200-1\/4140_seamless_steel_oil_well_drilling_pipe_with_high_straightness_and_quenched_26_tempered_for_durability.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001,DNV","Place of Origin":"China"}}
4130 Chromoly Oil Well Drilling Pipe, Carbon Steel Pipe for Casing and Drill Rod Tubing
Our 4130 Chromoly Oil Well Drilling Pipe is a high-performance solution tailored for the demanding oil and gas exploration industry, also serving as reliable carbon steel pipe for casing and drill rod tubing. Crafted from premium 4130 chromoly alloy steel, it boasts exceptional strength, excellent toughness, and superior wear resistance—critical properties for withstanding the high pressure, torque, and harsh downhole conditions of oil well drilling.
Compliant with industry standards like API 5D and ASTM A519, this pipe ensures consistent quality and dimensional accuracy. As casing pipe, it provides robust wellbore protection, preventing collapse and isolating formation fluids. When used as drill rod tubing, it efficiently transmits drilling torque and delivers drilling fluids, enhancing operational efficiency.
Its seamless construction eliminates weld seams, reducing the risk of leakage or failure under extreme stress. Suitable for both onshore and offshore drilling projects, it performs reliably in high-temperature, high-pressure, and even mild sour service environments. Whether for shallow or deep well operations, our 4130 chromoly oil well drilling pipe and carbon steel casing/drill rod tubing offer long service life, minimizing maintenance costs and maximizing uptime for oilfield operators.
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 / ERW / Welded / Fabricated
Shape
Round
End
Plain End, Beveled End, Threaded
AISI 4130 Steel 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
AISI 4130 Steel 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 (Annealed and cold drawn)
70
70
AISI 4130 Steel Pipe Equivalent Standards
STANDARD
UNS
CN
WERKSTOFF NR.
AFNOR
EN
JIS
BS
GOST
AISI 4130
G41300
30CrMo
1.7218
-
25CrMo4
JIS G4105
BS 970
-
Packing
Bundles with plastic end caps, wooden box package
Applications
Drill Pipes & Tool Joints: Core material for high-strength drill string components
Casing Tubing: Used in sections requiring enhanced mechanical performance
Couplings & Subs: Critical connections in downhole assemblies
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...