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1.5 Inch Stainless Steel Pipe
Product Name: 1.5 Inch Stainless Steel Pipe
Also Known As: 1.5" SS Pipe, 38.1mm Stainless Steel Tube, SS Pipe 1.5 Inch
Material Grades: 304 / 304L / 316 / 316L / 321 / 310S / 2205
Standards: ASTM A312, ASTM A213, ASTM A269, ASTM A554
Manufacturing Types: Seamless / Welded
Outside Diameter (OD): 1.5 inch (38.1 mm)
Wall Thickness Options: Sch 5S / 10S / 40S / 80S
Surface Finish: Mill, Pickled, Polished, Mirror
Length: 10–20 ft or Custom
Applications: Fluid piping, structural support, sanitary processing, marine systems
Key Advantages: Corrosion-resistant, hygienic surface, high strength, export-ready
Description
Our 1.5 Inch Stainless Steel Pipe is manufactured to ASTM/ASME international standards and available in grades 304, 304L, 316, 316L, 321, 310S, 2205, and more. With an outside diameter of 38.1 mm, this size is widely used in sanitary systems, chemical pipelines, structural engineering, marine environments, and food-grade process lines. We provide seamless and welded options with multiple wall thicknesses (Sch 5S–Sch 80S) to meet industrial, commercial, and marine requirements.
As a professional manufacturer, we support custom lengths, surface finishing, OEM fabrication, and global export packaging.
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High Quality
02
Advanced Equipment
03
Professional Team
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Custom Service
Standard Dimensions – 1.5 Inch Stainless Steel Pipe (OD 38.1 mm)
| Specification | Imperial | Metric |
|---|---|---|
| Outside Diameter (OD) | 1.5 inch | 38.1 mm |
| Manufacturing Types | Seamless / Welded | Seamless / Welded |
| Length Options | 10–20 ft | 3000–6000 mm (custom available) |
| Surface Finish | Mill, Pickled, Polished (180–600 grit), Mirror | Same |
| Standards | ASTM A312 / A213 / A269 / A554 | Same |
Wall Thickness (Schedule) Table
| Schedule | Thickness (inch) | Thickness (mm) |
|---|---|---|
| Sch 5S | 0.065" | 1.65 mm |
| Sch 10S | 0.109" | 2.77 mm |
| Sch 40S | 0.145" | 3.68 mm |
| Sch 80S | 0.200" | 5.08 mm |
Available Grades
| Grade | Characteristics |
|---|---|
| 304/304L | General-purpose, corrosion-resistant |
| 316/316L | Marine-grade, strong resistance to chloride/pitting |
| 321 | High-temperature resistance |
| 310S | High heat resistance & oxidation resistance |
| 2205 Duplex | High strength & superior corrosion resistance |
Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| C | ≤0.03 |
| Cr | 16.0–18.0 |
| Ni | 10.0–14.0 |
| Mo | 2.0–3.0 |
| Mn | ≤2.0 |
| Si | ≤0.75 |
| Fe | Balance |
Features & Advantages
Excellent corrosion resistance in chemical, marine, and industrial environments
Smooth interior surface ensures low pressure loss in fluid pipelines
High structural strength, suitable for pressure systems and support structures
Available in sanitary & mirror-polished finishes
Wide schedule selection for different pressure ratings
High temperature resistance depending on grade (up to 870°C for 310S)
Precision dimensional tolerance for critical engineering installations
Global export-ready packaging (waterproof paper + steel frame + pallet)
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1.5 inch stainless steel pipe is a common pipe material, which is mainly made of stainless steel. As a high-strength, corrosion-resistant material, stainless steel pipes are widely used in construction, chemical, petroleum, pharmaceutical and other industries.
Production and processing:
Our 1.5 inch stainless steel pipe is made of high quality stainless steel material, and during the production process, we use the most advanced production technology and equipment to ensure the product quality. First, we process stainless steel raw materials, and then carry out a series of production processes such as hot rolling, cold drawing, and cold rolling of tube billets. During the production process, we carry out strict quality control to ensure that every link of the product meets the standards and requirements. Finally, we cut the tube to the desired length using high-precision cutting equipment.
Customer satisfaction:
We are committed to supplying high quality 1.5 Inch Stainless Steel Pipe to meet our customers' needs. We have a professional pre-sales and after-sales team to provide customers with a full range of services, including technical consultation, product recommendation, installation guidance and after-sales service, etc. We also provide quick response and customized services to ensure that customers can get the products and services they need in time. We believe that only by meeting the needs of customers can we gain the trust and support of customers.
In conclusion, our 1.5 inch stainless steel pipe has the advantages of high strength, corrosion resistance, precise size and easy processing and installation. We will continue to strive to improve product quality and service levels, and provide customers with better products and services.
Our Advantages
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Quality assurance
2
Price advantage
3
Factory wholesale
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Good service
Packing And Shipping
Inspection & Quality Assurance
Every batch of 1.5 inch stainless steel pipe undergoes:
Dimensional inspection (OD, thickness, length, ovality)
Hydrostatic / eddy current testing
Surface roughness evaluation for polished pipes
Chemical composition verification via spectrometer
Mechanical testing (tensile, yield, elongation)
Third-party inspection support (SGS / BV / TUV)
Material test certificates (EN 10204 3.1) provided upon request
For pricing, samples, or technical consultation, please contact:
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
1. Is 1.5 inch stainless steel pipe always 38.1 mm OD?
Yes. According to ASTM standards, 1.5" nominal pipe size corresponds to 38.1 mm OD, regardless of schedule thickness.
2. What is the difference between seamless and welded for this size?
Seamless: Higher pressure resistance, no weld seam, used for chemical & high-temperature service.
Welded: More economical, consistent dimensional tolerance, suitable for structural or low/medium pressure use.
3. Which grade is best for marine environments?
316 / 316L is most widely used due to superior resistance to saltwater and pitting corrosion.
4. Can you supply mirror-polished 1.5 inch pipes?
Yes. We offer 180, 240, 320, 400, 600 grit and #8 mirror finish, commonly used for decorative and sanitary applications.
5. Do you provide cut-to-length service?
Yes. We support custom lengths, beveling, grooving, slotting, drilling, and welded assemblies.
6. What certification do you provide for export shipments?
We can issue MTC 3.1, SGS/BV inspection reports, CO, Form E/F/M/AI, and other documents for customs clearance.
7. What is the standard tolerance for 1.5 inch stainless steel pipe?
Typically:
OD tolerance: ±0.3 mm
Thickness tolerance: ±10%
Length tolerance: ±10 mm (or per customer request)
8. Do you support OEM branding or private labeling?
Yes. We can print logos, heat numbers, or custom packaging for distributors.
9. Can this pipe be used for food-grade applications?
Yes. Grades 304/304L/316L comply with common food-grade standards and can be supplied with a sanitary polished finish.
10. What is your typical delivery time?
Stock sizes: 3–7 days
Custom production: 10–25 days depending on grade and quantity
Hot Tags: 1.5 inch stainless steel pipe, China 1.5 inch stainless steel pipe manufacturers, suppliers, factory
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