STAINLESS STEEL FLANGE - 316/316L (UNS S31600/S31603)
Description
Type 316 is a molybdenum steel processing improved resistance to pitting by solutions containing chlorides and other halides. In addition, it provide excellent tensile, creep and stress-rupture strengths at elevated temperatures. Type 316 is available in low carbon (316L) and high carbon (316H) alloys.
Steel pipe flanges are classified as per ASME B16.5 standard. The pressure rating of flange ranges from 150# to 2500#. The term "lb", "class" and "#" are used interchangeably to designate the pressure rating of the flange. The fact is that 150 lb has no relation to 150 psi and so does the 300 or 600 lb does not correlate to 300 or 600 psi pressure rating. Pressure rating of the flange depends on the material (A105, stainless, nickel alloy etc.), the heat treat condition and pressure "class". Here we will use the term "class" to NOT confuse it with pressure "rating". So what is class 150 flange or ASME B16.5 class 150 flange, as the question raised by many customers.
ANSI 16.5 / ASME B16.5 Flange Specification
ASME B16.5 pipe flange and flanged fittings cover sizes from 1/2" nominal to 24" nominal. The standard covers pressure, temperature, material, tolerance, dimension, testing and marking of flange. The pressure classed included in ASME B16.5 are 150#, 300#, 600#, 900# and 1500# for sizes up to 10" nominal and 2500# for sizes 12" through 24".
ASME B16.47 Series A and Series B Flange Specification
ASME B16.47 covers large diameter steel flanges from 26" nominal to 60" nominal pipe sizes. There are two types of B16.47 flanges, Series A and Series B. Both have slightly different dimensions such as thickness, bolt circle diameter and number of bolt holes. Pressure class covered by B16.47 is Class 75, 150, 300, 400, 600 and 900#. Standard covers flanges made of cast, forged or plate material (for blind flange only)
Specifications
ASTM: A312, A376, A358, A269, A249, A403, A182, A351, A479, A276
ASME: SA312, SA376, SA358, SA269, SA249, SA182, SA276, SA403, SA479, SA351
Chemical Composition%
C | Cr | Mn | Mo | Ni | P | S | Si |
MAX | – | MAX | – | Max | MAX | MAX | |
0.035 | 16.0- 18.0 | 2.00 | 2.0-3.0 | 10.0-14.0 | 0.045 | 0.030 | 1.00 |
Tensile Requirements
Tensile Strength: (KSI) = 70
Yield Strength: (KSI) = 25
(KSI converts to MPA {Megapascals} by multiplying by 6.895)
Typical Application
§ Nuclear, chemical processing, rubber, plastics pulp/paper, Pharmaceutical and textile industries
§ Heat exchangers, condensers and evaporators
TYPES OF 316 / 316LFLANGES
SS 316LLap Joint Flanges SS 316LReducing Flanges Dealer Steel 316LWeld Neck Flanges SS 316LSocket Weld Flanges SS S316LOrifice Flanges SS 316LForged Flanges Exporter SS 316LRing Type Joint Flanges Steel 316LLoose Flanges Stockist SS 316LAustenitic Steel Flanges SS 316LSpectacle Blind Flanges SS 316LHigh Hub blind flanges SS 316LScrewed Flange | SS 316 Lap Joint Flanges SS 316 Reducing Flanges Dealer Steel 316 Weld Neck Flanges SS 316 Socket Weld Flanges SS S31600 Orifice Flanges SS 316 Forged Flanges Exporter SS 316 Ring Type Joint Flanges Steel 316 Loose Flanges Stockist SS 316 Austenitic Steel Flanges SS 316 Spectacle Blind Flanges SS 316 High Hub blind flanges SS 316 Screwed Flange |
Other grade of Stainless steel Flanges
Stainless Flange 304 Grade, Stainless Flange 304L Grade, Stainless Flange 304H Grade, Stainless Flange 309S Grade, Stainless Flange 309H Grade, Stainless Flange 310S Grade, Stainless Flange 310H Grade, Stainless Flange 316 Grade , Stainless Flange 316H Grade, Stainless Flange 316L Grade, Stainless Flange 316 TI Grade, Stainless Flange 317 Grade, Stainless Flange 317L Grade, Stainless Flange 321 Grade, Stainless Flange 321H Grade, Stainless Flange 347 Grade, Stainless Flange 347 H Grade, Stainless Flange 409 Grade, Stainless Flange 410 Grade, Stainless Flange 410S Grade,
HASTEALLOYS Flange , Inconel Flange , Monel Flange.
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Grade 316L SS Flanges Supply Destinations
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