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30CrMnSiA Grade Seamless Steel Oil Well Pipe for High-Pressure Drilling with Corrosion Resistance

Name: 30CrMnSiA Grade Seamless Steel Oil Well Pipe for High-Pressure Drilling with Corrosion Resistance
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: 
                                                                                                                                                                                                                                                30CrMnSiA seamless steel oil well pipe, high-pressure drilling steel tube, DIN2391 standard oil well pipe
                              

Steel Grade:	30CrMo, 42CrMo, 30CrMnSiA, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541	Execution Standard:	ASTM A519, DIN2391, EN10305-1, GB/T 9808
OD Range:	30-139.7mm	WT Range:	3-19mm
Processing:	Cold Roll, Cold Drawn	Color:	Black

Steel Grade:	30CrMo, 42CrMo, 30CrMnSiA, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541
Execution Standard:	ASTM A519, DIN2391, EN10305-1, GB/T 9808
OD Range:	30-139.7mm
WT Range:	3-19mm
Processing:	Cold Roll, Cold Drawn
Color:	Black

30CrMnSiA Grade Seamless Steel Oil Well Pipe for High-Pressure Drilling with Corrosion Resistance

30CrMnSiA Seamless Steel Oil Well Pipe DIN2391 Standard Drilling Rod Tube for High-Pressure Drilling

Premium Low-Alloy High-Strength Steel for Demanding Oilfield Applications

The 30CrMnSiA-grade drilling pipe is engineered for oilfield operations that demand exceptional strength-to-weight ratio, superior corrosion resistance, and reliable weldability. With optimized chromium and manganese content, precise heat treatment, and balanced mechanical properties, this grade is ideal for high-pressure environments, corrosive formations, and applications requiring structural integrity under dynamic loads.

Key Advantages

Corrosion-Resistant Strength - Outperforms standard carbon steels in mildly aggressive fluids (brine, CO₂), ideal for water injection, coastal, or gas wells with corrosion risks.
Weld-Friendly Design - Simplifies field welding and on-site modifications without sacrificing structural integrity, reducing operational costs.
High-Strength & Lightweight - Delivers 850+ MPa tensile strength with lower weight than 4140, optimizing hoisting efficiency in deep wells.
Balanced Cost & Performance - More affordable than 4140/4130 while providing superior corrosion resistance and weldability for mid-range drilling challenges.

Applications

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 Conditions

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:

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

How about the minimum order quantity?

Normally for one size above 1 ton.

Welcome to contact us! Thanks.

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