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ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow

    Buy cheap ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow from wholesalers
     
    Buy cheap ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow from wholesalers
    • Buy cheap ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow from wholesalers
    • Buy cheap ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow from wholesalers
    • Buy cheap ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow from wholesalers

    ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow

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    Brand Name : HT
    Model Number : SS 304
    Certification : PED/ISO
    Price : Negotiation
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 1000 month
    Delivery Time : 5-8 days
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    ANSI JIS Galvanized Steel Pipe Fittings 3 Inch Stainless Steel 90 Degree Elbow

    SCH40 stainless steel pipe fittings ss 304 elbow
    1. Compared with 304 stainless steel, the advantages of duplex stainless steel are as follows:

    (1) the yield strength of austenitic stainless steel is twice higher than that of ordinary austenitic stainless steel, and it has enough plastic toughness for forming. The wall thickness of the tank or pressure vessel made of duplex stainless steel is 30-50% less than that of austenite, which is helpful to reduce the cost.
    (2) it has excellent resistance to stress corrosion cracking. Even the duplex stainless steel with the lowest alloy content has higher resistance to stress corrosion cracking than the austenitic stainless steel, especially in the environment containing chloride ions. Stress corrosion is an outstanding problem that is difficult to solve for ordinary austenitic stainless steel.
    (3) the corrosion resistance of 2205 duplex stainless steel, which is widely used in many media, is better than 316L austenitic stainless steel, while the super duplex stainless steel has very high corrosion resistance. In some media, such as acetic acid, formic acid, etc., it can even replace high alloy austenitic stainless steel and even corrosion-resistant alloy.
    (4) it has good local corrosion resistance. Compared with austenitic stainless steel with the same alloy content, its wear resistance and fatigue corrosion resistance are better than austenitic stainless steel.
    (5) compared with austenitic stainless steel, the coefficient of linear expansion is lower, close to carbon steel, suitable for connection with carbon steel, which has important engineering significance, such as production of composite plate or lining, etc.
    (6) no matter under the condition of dynamic or static load, it has higher energy absorption capacity than austenitic stainless steel, which has obvious advantages in dealing with sudden accidents such as collision, explosion, etc., and has practical application value.


    2.About SS 304.
    Grade 304 is a standard "18/8" stainless. It is the most versatile and most widely used stainless steel available, even though a wide range of alternatives are available; and has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing. This means that this grade steel is dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications, it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 can be readily braked or roll-formed into a variety of components for applications in the industrial, architectural, and transportation fields. It also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.
    Composition:


    Grade

    CMnSiPSCrMoNiN
    304min.-----18-8-
    max.0.0820.750.0450.032010.50.1
    304Lmin.-----18-8-
    max.0.0320.750.0450.0320120.1
    304Hmin.0.04---0.045-18-8-
    max.0.120.750.032010.5


    Mechanical Properties:

    GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50 mm) minHardness
    Rockwell B (HR B) maxBrinell (HB) max
    3045152054092201
    304L4851704092201
    304H5152054092201

    Physical Properties:

    GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (μm/m/°C)Thermal Conductivity (W/m.K)Specific Heat 0-100 °C (J/kg.K)Electrical Resistivity (nΩ.m)
    0-100 °C0-315 °C0-538 °Cat 100 °Cat 500 °C
    304/L/H800019317.217.818.416.221.5500720

    3.Quality assurance system:



    4.What is Hot push elbow:

    Hot push elbow forming process has the characteristics of beautiful appearance, uniform wall thickness and continuous operation, which is suitable for mass production, so it has become the main forming method of carbon steel and alloy steel elbow, and also applied in the forming of some specifications of stainless steel elbow.

    The heating mode of forming process includes medium frequency or high frequency induction heating (heating ring can be multi or single circle), flame heating and reflection furnace heating. The heating mode depends on the requirements of forming products and energy conditions. Stamping elbow is the first forming process used in the mass production of seamless elbow. It has been replaced by hot pushing or other forming processes in the production of common elbow specifications. However, in some elbow specifications, due to the small number of production, too thick or too thin wall thickness.




















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