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SUS 310S 2" Sch.160 SMLS ASTM A312 TP310S Stainless Steel Tubing

Categories Stainless Steel Seamless Tube
Brand Name: Mittel
Model Number: 310s
Certification: SGS ISO MTC
Place of Origin: China
MOQ: 100KGS
Price: 3.65USD/KG
Payment Terms: L/C, T/T
Supply Ability: 80000KGS
Delivery Time: 7 Working Days
Packaging Details: Wooden Pallet BOX
Application: Construction,Decoration,Industry,boiler,Chemical
Standard: ASTM
Steel grade: 304 304L 316 316L 310S 321
Type: Seamless
Thickness: 1mm-20mm
Length: 3000mm~6000mm,1-12m or as your requirements
Shape: Round.square.Rectangle
Outer diameter: 6-762mm
Technique: Cold Drawn
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    SUS 310S 2" Sch.160 SMLS ASTM A312 TP310S Stainless Steel Tubing

    Alloy 310 (UNS S31000) is an austenitic stainless steel developed for use in high temperature corrosion resistant applications. The alloy resists oxidation up to 2010oF (1100oC) under mildly cyclic conditions.

    Because of its high chromium and moderate nickel content, Alloy 310 is resistant to sulfidation and can also be used in moderately carburizing atmospheres.

    The more severe carburizing atmospheres of thermal process equipment usually require nickel alloys such as 330 (UNS N08330). Alloy 310 can be utilized in slightly oxidizing, nitriding, cementing and thermal cycling applications, albeit, the maximum service temperature must be reduced. Alloy 310 also finds usage in cryogenic applications with low magnetic permeability and toughness down to -450oF (-268oC). When heated between 1202 – 1742oF (650 – 950oC) the alloy is subject to sigma phase precipitation. A solution annealing treatment at 2012 – 2102oF (1100 – 1150oC) will restore a degree of toughness.

    310S (UNS S31008) is the low carbon version of the alloy. It is utilized for ease of fabrication. 310H (UNS S31009) is a high carbon modification developed for enhanced creep resistance. In most instances the grain size and carbon content of the plate can meet both the 310S and 310H requirements.

    Alloy 310 can be easily welded and processed by standard shop fabrication practices.


    Applications

    • Cryogenic Components
    • Food Processing
    • Furnaces – burners, doors, fans, piping and recuperators
    • Fluidized Bed Furnaces – coal combustors, grids, piping, wind boxes
    • Ore Processing/Steel Plants – smelter and steel melting equipment, continuous casting equipment
    • Petroleum Refining – catalytic recovery systems, flares, recuperators, tube hangers
    • Power Generation – coal gasifier internals, pulverized coal burners, tube hangers
    • Sintering/Cement Plants – burners, burner shields, feeding and discharging systems, wind boxes
    • Thermal Processing – annealing covers and boxes, burner grids, doors, fans, muffles and retorts, recuperators, walking beams

    Standards

    ASTM........A 240
    ASME........SA 240
    AMS..........5521

    Corrosion Resistance

    Wet Corrosion
    Alloy 310 is not designed for service in wet corrosive environments. The high carbon content, which is present to enhance creep properties, has a detrimental effect on aqueous corrosion resistance. The alloy is prone to intergranular corrosion after long term exposure at high temperatures. However, due to its high chromium content (25%), Alloy 310 is more corrosion resistant than most heat resistant alloys.

    High Temperature Corrosion
    The high chromium (25%) and silicon (0.6%) content of Alloy 310 make it more resistant to high temperature corrosion in most in-service environments. Operating temperatures are listed below.

    Oxidizing conditions (max sulfur content – 2 g/m3)
    1922°F (1050°C) continuous service
    2012°F (1100°C) peak temperature

    Oxidizing conditions (max sulfur greater than 2 g/m3)
    1742°F (950°C) maximum temperature

    Low oxygen atmosphere (max sulfur content – 2 g/m3)
    1832°F (1000°C) maximum temperature

    Nitriding or carburizing atmospheres
    1562 – 1742°F (850 – 950°C) maximum

    The alloy does not perform as well as Alloy 600 (UNS N06600) or Alloy 800 (UNS N08800) in reducing, nitriding or carburizing atmospheres, but it does outperform most heat resistant stainless steels in these conditions.

    Creep Properties

    Typical Creep Properties

    TemperatureCreep Strain (MPa)Creep Rupture (MPa)
    °C°F1000 H10000 H100000 H1000 H10000 H100000 H
    60011121201004020014080
    7001292503520804520
    80014722010835208
    9001652106315105
    10001832531.5942

    Chemical Analysis

    Weight % (all values are maximum unless a range is otherwise indicated)

    Element310310S310H
    Chromium24.0 min.-26.0 max.24.0 min.-26.0 max.24.0 min.-26.0 max.
    Nickel19.0 min.-22.0 max.19.0 min.-22.0 max.19.0 min.-22.0 max.
    Carbon0.250.080.40 min. - 0.10 max.
    Manganese2.002.002.00
    Phosphorus0.0450.0450.045
    Sulfer0.0300.0300.030
    Silicon1.501.500.75
    IronBalanceBalanceBalance

    Physical Properties

    Density

    0.285 lbs/in3
    7.89 g/cm3

    Specific Heat

    0.12 BTU/lb-°F (32 – 212°F)
    502 J/kg-°K (0 – 100°C)

    Modulus of Elasticity

    28.5 x 106 psi
    196 GPa

    Thermal Conductivity 212°F (100°C)

    8.0 BTU/hr/ft2/ft/°F
    10.8 W/m-°K

    Melting Range

    2470 – 2555°F
    1354 – 1402°C

    Electrical Resistivity

    30.7 Microhm-in at 68°C
    78.0 Microhm-cm at 20°C

    Mechanical Properties

    Typical Values at 68°F (20°C)

    Yield Strength
    0.2% Offset
    Ultimate Tensile
    Strength
    Elongation
    in 2 in.
    Hardness
    psi (min.)(MPa)psi (min.)(MPa)% (min.)(max.)
    35,00024580,00055045217 Brinell

    Fabrication Data

    Alloy 310 can be easily welded and processed by standard shop fabrication practices.

    Hot Forming

    Heat uniformly at 1742 – 2192°F (950 – 1200°C). After hot forming a final anneal at 1832 – 2101°F (1000 – 1150°C) followed by rapid quenching is recommended.

    Cold Forming

    The alloy is quite ductile and forms in a manner very similar to 316. Cold forming of pieces with long-term exposure to high temperatures is not recommended since the alloy is subject to carbide precipitation and sigma phase precipitants.

    Welding

    Alloy 310 can be readily welded by most standard processes including TIG, PLASMA, MIG, SMAW, SAW and FCAW.


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