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SMLSCO is a globally leading stockist and solution provider of stainless steel piping systems, specializing in seamless pipes, seamless tubes, fittings, and flanges. With over 3,000 metric tons of ready stock and a 10,000 m² professional warehouse center, we deliver cost-effective products to stockists and distributors worldwide.
Backed by PED, ISO, and AD2000 certification systems, every product from SMLSCO is fully traceable in quality. We are your long-term, reliable industrial partner.
Product Specifications
Product
Polished Seamless Tube (ASTM A269)
Material Grade
TP304L (UNS S30403)
Outside Diameter
1/4" - 2"
Wall Thickness
According to customer requirements
Standard Spec
ASTM A269 / ASME SA269 / EN 10216-5
Surface Finish
Bright Annealed / Polished
Length
6 Meters (or Fixed Length)
Inspection
100% Eddy Current Test / PMI / Dimension Check
Product Advantages
Ready Stock Availability: The 12mm size is one of SMLSCO's core stock items, supporting fast delivery within 2 weeks, significantly reducing inventory pressure for distributors.
High-Precision Polishing: Delivers a smooth, high-precision polished surface with a contaminant-free inner wall, meeting demanding requirements of precision and high-purity applications.
Dual Quality Assurance: Manufactured using premium raw materials from leading mills such as TSINGSHAN, with 100% Eddy Current Testing (ECT) and PMI inspection to ensure material stability.
Compliance & Certification: Fully compliant with PED and ISO 9001 standards. Complete quality documentation provided with each shipment, and third-party inspection available upon request.
Applications
ASTM A269 TP304L 12mm precision polished tubes are widely used in industrial sectors that demand extremely high fluid purity and dimensional accuracy. Thanks to their excellent corrosion resistance and smooth inner surface, these tubes are commonly applied in instrumentation tubing systems for biopharmaceutical, semiconductor manufacturing, and fine chemical industries.
In addition, 12mm polished tubes are also suitable for high-end heat exchangers, food & beverage processing equipment, and hydraulic and pneumatic systems, providing long-term, stable fluid transfer solutions. They effectively prevent media adhesion and cross-contamination, ensuring system safety and operational reliability.
Frequently Asked Questions
Q1: Is there a minimum order quantity (MOQ) for SMLSCO's 12mm TP304L polished tubes?
A1: As a professional stockist, SMLSCO offers flexible MOQ support for standard stock sizes such as 12mm. Whether for small-batch replenishment or full-pallet orders, we leverage our 3,000-ton inventory to complete shipment within 2 weeks.
Q2: How are polished tubes protected from scratching during transportation?
A2: Both LCL and FCL shipments are packed in plywood cases. Each tube is individually wrapped in a plastic sleeve, with plastic protective caps fitted on both ends to prevent damage and contamination during transportation.
Q3: Can you provide pre-shipment photos or videos for inspection?
A3: Yes. SMLSCO adheres to a transparent process and conducts 100% re-inspection of tube dimensions, quantities, and surface finish prior to shipment. Upon request, we can provide inspection photos or videos for each batch, giving you full confidence in both delivery schedule and product quality.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2006
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Zhejiang seamless pipe co.,ltd. (SMLSCO) is a specialized stainless steel piping systems provider with 19 years of industry experience. We began by supplying cost-effective stainless steel seamless pipes but for now, Smlsco is more than pipes.
With 19 years of growth, we have establis... Zhejiang seamless pipe co.,ltd. (SMLSCO) is a specialized stainless steel piping systems provider with 19 years of industry experience. We began by supplying cost-effective stainless steel seamless pipes but for now, Smlsco is more than pipes.
With 19 years of growth, we have establis...
