Precision Stainless Steel Seamless Pipe is a high-accuracy pipe manufactured through advanced seamless processes, offering excellent dimensional precision and superior surface quality. It is widely used in precision machinery, automotive components, instrumentation systems, and high-end industrial applications.
Material Type :
Precision Stainless SteelOuter Diameter Range :
4mm – 219mmWall Thickness Range :
0.5mm – 20mmCustomizable :
YesOrder(MOQ) :
2TSpecifications
Precision stainless steel seamless pipes are produced using advanced seamless manufacturing and precision finishing processes, which ensure tight dimensional tolerances, uniform wall thickness, and smooth surface finish. The seamless structure eliminates weld seams, providing improved strength and reliability.
These pipes are typically made from high-quality stainless steel grades such as 304 and 316, offering excellent corrosion resistance, oxidation resistance, and stable performance in various working environments. The precision manufacturing process also enhances straightness and consistency.
Precision stainless steel seamless pipes are widely used in instrumentation systems, hydraulic and pneumatic systems, automotive components, medical equipment, and precision engineering applications, where high dimensional accuracy, clean surface finish, and reliable performance are essential.
Precision Stainless Steel Seamless Pipe is one of our core strength products. We maintain substantial inventory to ensure rapid delivery and can also customize extra-large diameter seamless pipes according to your specific requirements. Additionally, we provide comprehensive services including spectroscopic analysis, mechanical property testing, pressure testing, and non-destructive testing (NDT).
| Grade | Grade Equivalent | Mechanical Properties | Size Range | Chemical Composition (Typical, %) |
|---|---|---|---|---|
| TP304 | UNS S30400
|
Tensile ≥515 MPa
|
OD 2–114 mm
|
C≤0.08, Cr 18.0–20.0
|
| TP304L | UNS S30403
|
Tensile ≥485 MPa
|
OD 2–114 mm
|
C≤0.03, Cr 18.0–20.0
|
| TP316 | UNS S31600
|
Tensile ≥515 MPa
|
OD 2–114 mm
|
C≤0.08, Cr 16.0–18.5
|
| TP316L | UNS S31603
|
Tensile ≥485 MPa
|
OD 2–114 mm
|
C≤0.03, Cr 16.0–18.5
|
| TP321 | UNS S32100
|
Tensile ≥515 MPa
|
OD 3–114 mm
|
C≤0.08, Cr 17.0–19.0
|
| TP347H | UNS S34709
|
Tensile ≥515 MPa
|
OD 4–114 mm
|
C≤0.08, Cr 17.0–20.0
|
| 2205 Duplex | UNS S32205
|
Tensile ≥655 MPa
|
OD 4–114 mm
|
C≤0.03, Cr 22.0–23.0
|
| 2507 Super Duplex | UNS S32750
|
Tensile ≥800 MPa
|
OD 6–114 mm
|
C≤0.03, Cr 24.0–26.0
|
| 904L | UNS N08904
|
Tensile ≥490 MPa
|
OD 4–114 mm
|
C≤0.02, Cr 19.0–23.0
|
|
Note: If you do not find a Precision Stainless Steel Seamless Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan. |
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FAQs
Q: What types and standards of stainless steel do you mainly supply?
A: We mainly supply a wide range of stainless steel products including stainless steel pipes/tubes (seamless and welded), plates, coils, strips, and bars. Common grades include 304/L, 316/L, 321, 310, 410, 430, 2205 (Duplex), and 904L, which are widely used in construction, chemical processing, food equipment, and marine engineering. All stainless steel products comply with international standards such as ASTM, JIS, and EN. We can also provide corresponding material test certificates (MTC) and support customized specifications according to customer project requirements.
Q: Can you provide special specifications or non-standard customization? For example, extra-wide plates or pipes with specific wall thicknesses?
A: Of course. One of our advantages is our flexible customization capabilities. We can provide customized size cutting, special thicknesses, and special surface treatments (such as 2B, BA, No.4 brushed finish, mirror finish) based on your drawings or requirements. Whether it's a small trial order or a large-volume purchase, we can meet your needs.
Q: How do you guarantee the quality and consistency of materials? Do you have quality certifications?
A: Quality is our lifeline. We use direct supply from large steel mills to ensure material traceability. Each shipment comes with a Material Quality Certificate (MTC). We have our own quality control team that conducts random checks on material composition, dimensional tolerances, surface finish, and mechanical properties. Our factory is also ISO 9001:2015 quality management system certified.
Q: What are your delivery times and logistics solutions for overseas customers?
A: For standard-specification in-stock products, we can complete preparation and shipment within 7-14 days. Delivery times for customized products will be determined through negotiation based on the specific process. We have established international logistics partners who can arrange full container load (FCL), less-than-container load (LCL), or air freight according to your needs, and provide various trade terms such as EXW, FOB, CIF, and DDP, with door-to-door service.
Q: As a new customer, how do I begin cooperation? Can you provide samples for testing?
A: The cooperation process is very smooth: 1) You provide specific requirements (brand, specifications, quantity, standards); 2) We provide a quotation and technical advice; 3) After confirmation, we arrange the contract and payment; 4) Production/pickup and quality inspection; 5) Shipment and provision of documentation. We encourage sample testing. For serious customers, we can provide small-size samples to ensure that the materials fully meet your processing and application requirements.
|
Note: If you do not find a Precision Stainless Steel Seamless Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.0 |
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