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SMLSCO provides stainless steel forged loose flanges that comply with ASTM A182 standards, supporting various international standard interfaces for industrial piping systems. Our comprehensive size range and pressure level coverage (including PN and Class systems) meet diverse project requirements.
Product Specifications
Standard
ASTM A182
Material Grade
F316L / 316
Nominal Diameter
DN150
Pressure Rating
PN16
Outer Diameter Range
≤80"
Flange Type
Loose Flange / Lap Joint Flange
Face Type
RF (Raised Face), FF (Flat Face), Customizable
Certification
PED, ISO, NORSOK M-650
Material Properties
F316L offers excellent corrosion resistance and mechanical stability with the following characteristics:
Chemical Composition: C≤0.03%, Cr 16-18%, Ni 10-14%, Mo 2-3%
SMLSCO provides complete forging and processing solutions with comprehensive in-house capabilities:
Full production cycle from forging blank preparation to final machining
500 tons of flange blanks in stock for rapid order fulfillment
Capability to handle both standard and non-standard orders
Certified to PED, ISO, and NORSOK M-650 standards
Key Process: Forging & Heat Treatment
Our flanges undergo precision free forging for optimal structural density and mechanical properties. Post-forging solid solution annealing eliminates stress while enhancing corrosion resistance. Multiple machining processes ensure precise dimensions and surface finish for reliable long-term sealing performance in demanding pipeline systems.
Quality Assurance
SMLSCO implements rigorous inspection protocols to ensure product quality:
100% dimensional and visual inspection
Traceability coding for each product
Optional testing including PMI material analysis, ultrasonic flaw detection (UT), and penetrant testing (PT)
Third-party witness inspection available
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...
