Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"30CrMnSiA Grade Corrosion Resistant High Strength Oil Well Pipe and Seamless","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/cc\/12a28b9f38ec46e6d52dce2f0130-200x200-1\/30crmnsia_grade_corrosion_resistant_high_strength_oil_well_pipe_and_seamless.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001,DNV","Place of Origin":"China"}}
{"title":"30CrMnSiA Steel Seamless Oil Well Pipe with Low Residual Hoop Stresses and High","imgUrl":"https:\/\/img.chinax.com\/nimg\/e1\/37\/b99460d191260300ebfc40e147f3-200x200-1\/30crmnsia_steel_seamless_oil_well_pipe_with_low_residual_hoop_stresses_and_high_strength_for_demanding_wells.jpg","attrs":{"Brand Name":"HONGBAO","Model Number":"HG-OP","Certification":"PED, ISO9001,DNV","Place of Origin":"China"}}
{"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"}}
Engineered for medium-high pressure, weakly corrosive, and dynamically loaded well conditions, the 30CrMnSiA-grade drilling pipe combines chromium-manganese alloy reinforcement, superior weldability, and balanced toughness to deliver reliable performance in complex oilfield applications.
Core Advantages
High-Strength Corrosion Resistance - Tensile strength ≥850 MPa; chromium (0.80-1.10%) forms a passive oxide layer to resist brine/weak acid fluids, outperforming standard carbon steels.
Lightweight Yet Tough - Lighter than 4140 steel, reducing tripping loads while maintaining high strength (comparable to 4130), ideal for deep well structural demands.
Worry-Free Weldability - Low carbon equivalent design enables low-preheat field welding, ensuring reliable wellbore connections and repairs.
Dynamic Adaptability - Elongation ≥14% absorbs vibrations/pressure pulses, minimizing crack risks and extending service life.
Why Choose 30CrMnSiA?
Beats 1541 - Superior corrosion resistance for water injection wells, offshore wells, and moderately corrosive environments.
Cost-Effective Balance - Lower alloy investment than 4140/4130, with performance matching premium grades.
Ideal Choice - The perfect solution when your well demands strength, corrosion resistance, and weld-friendly performance.
Applications
Includes fore poling (advance support), mine blasting, water well drilling, geothermal well drilling, and coal/nonferrous metal mining.
Chemical Composition
Steel Grade
C
Si
Mn
P
S
Cr
Mo
B
4130
0.28-0.33
0.15-0.35
0.40-0.60
≤0.040
≤0.040
0.80-1.10
0.15-0.25
4140
0.38-0.43
0.15-0.35
0.75-1.00
≤0.040
≤0.040
0.80-1.10
0.15-0.25
45MnMoB
0.43-0.48
0.17-0.37
1.05-1.35
≤0.020
≤0.015
0.20-0.25
0.001-0.005
1541
0.36-0.44
-
1.35-1.65
≤0.040
≤0.050
30CrMnSiA
0.28-0.34
0.90-1.20
0.80-1.10
≤0.020
≤0.015
0.80-1.10
Mechanical Properties
Steel Grade
Deliver Condition
Tensile Strength (Mpa)
Yield Strength (Mpa)
Elongation (%)
Hardness (HRC)
4130
+ SR
≥813
≥690
≥15%
≥24
4140
QT
≥950
≥850
≥14%
28 - 33
45MnMoB
+ N
≥790
≥600
≥14%
-
1541
+ SR
≥813
≥690
≥15%
≥24
30CrMnSiA
QT
≥850
≥750
≥14%
26 - 31
Delivery Condition
Stress Relief Annealing after Cold Working (+SR) (BKS)
Normalizing (+N) (NBK)
Quenching & Tempering (QT)
Frequently Asked Questions
Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality. You need to in charge of Express costs.
How about your production capacity?
3000 tons/Month.
What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
Where is your factory?
Zhangjiagang city, 1.5 hours away from Shanghai.
How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following, quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements
How about the minimum order quantity?
Normally for one size above 1 ton.
Welcome to contact us! Thanks.
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...
