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The ASME B16.5 F310S Socket Weld Flange Class 150 RF is designed for small-diameter, high-pressure piping systems, offering superior performance in demanding industrial applications.
What is Socket Weld Flanges?
Socket Weld Flanges feature a unique connection method where the pipe end inserts into the flange socket and is welded externally. This design ensures:
Smooth internal pipeline transition with minimal flow resistance
Easier welding and alignment compared to butt welding
Ideal for small-bore, high-pressure systems
Note: Requires careful consideration for highly corrosive media due to potential gap between pipe and socket
F310S is a high chromium, medium nickel austenitic stainless steel engineered for extreme temperature conditions:
Excellent oxidation resistance up to 1093°C (2000°F)
Superior high-temperature strength and creep resistance
Minimal oxide skin formation
Ideal for industrial furnaces, heat treatment equipment, and thermal cycling applications
F310S Chemical & Mechanical Properties
Chemical Composition (wt %), ASTM A182:
Carbon (C)
0.08 max
Manganese (Mn)
2.00 max
Silicon (Si)
1.50 max
Chromium (Cr)
24.0 - 26.0
Nickel (Ni)
19.0 - 22.0
Mechanical Properties (Minimum), ASTM A182:
Tensile Strength
515 MPa (75 ksi)
Yield Strength
205 MPa (30 ksi)
Elongation
30%
Hardness
217 HBW max
Why Choose SMLSCO?
SMLSCO flange manufacturing base - Wenzhou Yongheng Steel Industry is your trusted flange manufacturer and stockist:
Established in 2018 with 5000 square meter facility
38 advanced equipment including CNC lathes
350 tons monthly production capacity
Strict compliance with ISO, PED, and NORSOK M650 standards
Industrial-grade precision and reliability for global customers
Flange Facing Types
The Raised Face (RF) sealing surface concentrates bolt preload force for reliable sealing. SMLSCO offers multiple sealing surface options:
Raised Face (RF) - Standard for most applications
Full Face (FF) - Ideal for low-pressure conditions
Ring Type Joint (RTJ) - Designed for ultra-high pressure applications
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...