Vurgulamak:
ASTM A519 seamless casing tube
, 1541 steel grade drilling pipe
, low residual hoop stress oil pipe
ASTM A519 Seamless Casing Steel Tube 1541 Steel Grade Oil Well Drilling Pipe With Low Residual Hoop Stresses
1541 Grade Drilling Pipe Product Advantages – Technical Performance Overview
The 1541-grade drilling pipe is engineered for oilfield applications requiring a balance of strength, toughness, and cost-effectiveness. Based on its key material parameters (carbon-manganese steel composition) and performance characteristics, here are its distinct product advantages compared to conventional grades (e.g., 4130/4140 for high-end scenarios or lower-grade carbon steels):
Core Material Composition & Performance Basis
1541 grade is a high-quality carbon-manganese (C-Mn) steel, typically containing:
1. Carbon (C): 0.38–0.43% (higher than standard carbon steels, enhancing strength);
2. Manganese (Mn): 1.30–1.60% (improves hardenability and toughness);
3. Low alloy content (no chromium/molybdenum as in 4140, but optimized for cost-sensitive drilling).
Why Choose 1541-Grade Drilling Pipes?
1. Balanced Performance: Delivers “just enough” strength and toughness for most common drilling needs without over-engineering;
2. Cost Savings: Lower material and processing costs translate to reduced total drilling expenses;
3. Field-Friendly: Easy welding, machining, and connection handling for faster operations;
4. Proven Reliability: Widely used in mature oilfields and routine drilling projects with decades of field validation.
1541-Grade Drilling Pipes – The Practical Choice for Efficient, Cost-Effective Oilfield Operations.
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)
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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