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

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Jiangsu Hongbao Group Co., Ltd.

Province/State:jiangsu

Country/Region:china

Tel:86-512-58715276

Contact Person:
Ms.Angela View Contact Details

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

Brand Name	HONGBAO
Model Number	HG-OP
Certification	PED, ISO9001,DNV
Place of Origin	China
Minimum Order Quantity	1MT
Price	Negotiable
Payment Terms	L/C,T/T
Supply Ability	3000MT/Month
Delivery Time	Negotiable
Packaging Details	As required
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

Detailed Product Description

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.

Product Tags: 30CrMnSiA seamless steel oil well pipe high-pressure drilling steel tube DIN2391 standard oil well pipe

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