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.
{"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"}}
Toughness meets strength for the harshest drilling conditions. The 45MnMoB-grade pipe delivers unmatched load capacity, superior wear resistance, and rugged durability where standard pipes fail.
Perfect for ultra-deep, high-wear, or HPHT wells. Upgrade when 1541/4130 can't keep up. Applications include 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
1. 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.
2. How about your production capacity?
3000 tons/Month.
3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
4. Where is your factory?
Zhangjiagang city, 1.5 hours away from Shanghai.
5. 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
6. 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...
