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EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
Specifications
Brand Name :
HONGBAO
Model Number :
HG-OP
Certification :
PED, ISO9001, DNV
Place of Origin :
China
MOQ :
1MT
Price :
Negotiable
Payment Terms :
L/C, T/T
Supply Ability :
3000MT/Month
Delivery Time :
Negotiable
Packaging Details :
As required
Material :
30CrMo（4130/34CrMo4）, 42CrMo（4140/42CrMo4）, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541
Standard :
GB/T 9808, ASTM A519, DIN2391, EN10305-1,
OD Range :
30-139.7mm
WT Range :
3-19mm
Processing :
Cold Rolling
Color :
Black
Description

​45MnMoB Grade Drilling Pipe: Unmatched Strength & Specialized Performance for Demanding Oilfield Applications​​
The ​​45MnMoB-grade drilling pipe​​ is a ​​high-performance alloy steel solution​​ engineered for oilfield operations that demand ​​exceptional strength, superior wear resistance, and enhanced impact toughness​​. With its unique chemical composition (notably ​​high manganese and molybdenum content​​) and tailored mechanical properties, this grade stands out as an optimal choice for ​​extreme drilling environments​​ where standard grades fall short.

Why Choose 45MnMoB-Grade Drilling Pipes?​​
1. Built for Extremes​​ – Delivers ​​unmatched strength and wear resistance​​ for ​​high-load, high-wear drilling scenarios​​ where standard grades fail.

2. Alloy-Optimized​​ – Manganese and molybdenum enhance ​​hardenability, high-temperature stability, and fatigue life​​ – critical for modern deep drilling.

3. ​​Tailored Hardness​​ – Optional ​​QT treatment​​ pushes surface hardness to ​​32 HRC​​, combating abrasion and extending service intervals.

4. Reliable in Harsh Fluids​​ – Low sulfur/phosphorus and fine microstructure resist ​​corrosion and erosion​​ in aggressive well environments.

​​45MnMoB-Grade Drilling Pipes – When your well demands more than ordinary steel can handle.​

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:

1. Stress Relief Annealing after Cold Working (+SR) (BKS)

2. Normalizing (+N) (NBK)

3. Quenching & Tempering (QT)

EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube

FAQ:

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.

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EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube

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Product Detail
Brand Name :
HONGBAO
Model Number :
HG-OP
Certification :
PED, ISO9001, DNV
Place of Origin :
China
MOQ :
1MT
Price :
Negotiable
Contact Supplier
video
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube
EN10305-1 Steel Drilling Rod 45MnMoB Grade Seamless Steel Oil Well Drilling Pipe With Coupling Tube

Jiangsu Hongbao Group Co., Ltd.

Verified Supplier
8 Years
jiangsu
Since 1958
Business Type :
Manufacturer
Main Products :
Welded Steel Tube, Precision Steel Tube, Hollow Steel Tube
Total Annual :
60000000-80000000
Employee Number :
700~1000
Certification Level :
Verified Supplier
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