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45MnMoB High Tensile Strength Corrosion Resistant Precision Engineered Oil Well Drilling Pipe

Name: 45MnMoB High Tensile Strength Corrosion Resistant Precision Engineered Oil Well Drilling Pipe
Brand: Jiangsu Hongbao Group Co., Ltd.
SKU: HG-OP
Price: 22.00 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: HONGBAO

Certification: PED, ISO9001, DNV

Model Number: HG-OP

Payment & Shipping Terms

Minimum Order Quantity: 1MT

Price: Negotiable

Packaging Details: As required

Delivery Time: Negotiable

Payment Terms: L/C,T/T

Supply Ability: 3000MT/Month

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                ASTM A519 oil well drilling pipe, 45MnMoB seamless steel tubing, core barrel inner tube tight tolerance
                              

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

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

45MnMoB High Tensile Strength Corrosion Resistant Precision Engineered Oil Well Drilling Pipe

ASTM A519 Core Barrel Inner Tube & Outer Tube 45MnMoB Seamless Steel Oil Well Drilling Pipe With Tight Tolerances

45MnMoB Grade Drilling Pipe: The Hard-Core Solution for Extreme Conditions

Engineered specifically for ultra-deep wells, high-pressure reservoirs, and highly abrasive formations, the 45MnMoB-grade drilling pipe combines a high-manganese-molybdenum alloy composition with enhanced mechanical properties to deliver unmatched reliability in challenging drilling environments.

Core Advantages

Extreme Load-Bearing: Tensile strength ≥790 MPa, hardness up to 28-32 HRC (after quenching & tempering), ensuring reliable performance in ultra-deep wells (>3,000m) and high-pressure formations (≥50 MPa).
Wear & Corrosion Resistance: High manganese (1.05-1.35%) and molybdenum (0.20-0.25%) content enhance abrasion resistance, while a refined microstructure improves fracture toughness for extended service life in harsh conditions.
Balanced Toughness: Elongation ≥14% balances strength and ductility, effectively absorbing sudden impacts (e.g., stuck pipe, vibration) to prevent brittle failure.
Specialized Adaptability: Optimized for hard rock, high-sand content, and complex formations. Optional quenching & tempering (QT) treatment further increases surface hardness (up to 32 HRC) for enhanced durability.

Why Choose 45MnMoB?

Tougher and more wear-resistant than conventional carbon steels (e.g., 1541), yet more cost-targeted than 4130/4140—designed specifically for high-demand drilling scenarios.

Mn-Mo alloy formula + precision engineering ensures high-temperature stability and fatigue resistance, meeting modern deep-well requirements.

Applications

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:

Tube Standard
Steel Grade
Tube Size and Size Tolerance
Tube length
Quantity
If any special requirements

6. How about the minimum order quantity?

Normally for one size above 1 ton.

Welcome to contact us! Thanks.

Tags:

30CrMo Seamless Oil Well Drilling Pipe with Superior Mechanical Properties, High Tensile Strength, and Corrosion Resistance

Get Best Price

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