RF Face Socket Welding Flange 150# ASTM A105 Material ASME B16.9 Model Complete

         Socket welding flange refers to the pipe end inserted into the flange ring ladder, welded in the pipe end and the outer flange. There are two types with and without a neck. The rigidity of the flange with the neck tube is good, the welding deformation is small, the sealing is good, and can be used for the pressure of 1.0~10.0MPa. The Type B flange for the container is also a socket welding flange, which is used for occasions with high sealing requirements. During the design, the socket welding flange can be checked according to the integral flange.

          Carbon steel(Carbon Steel):ASTM A105,20#,Q235,16Mn, ASTM A350 LF1, LF2

CL1/CL2,LF3 CL1/CL2,ASTM A694 F42, F46,F48, F50, F52, F56, F60, F65, F70;

          Stainless steel(Stainess Steel): ASTM A182 F304,304L, F316,316L,1Cr18Ni9Ti,

0Cr18Ni9Ti,321,18-8;

           Alloy steel(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, F22, F91,A182F12,A182F11,16MnR,Cr5Mo,12Cr1MoV,15CrMo,12Cr2Mo1,A335P22,St45.8/Ⅲ;

           Boiler pressure vessels, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, stamping elbow food and other industriesSocket welding flange: often used in PN≤10.0MPa, DN≤40 pipes;

           A105 is ASTM Standard number, A stands for ordinary carbon structural steel

           Standard name: carbon steel forgings for pipeline components. Because only one carbon steel forging is specified in this standard, A105 is also a forging carbon steel grade. A105 is also a material code, which is a special steel and is a cold forged steel. A105 is a mild steel forging, similar to steel 20. There are two standards, one is the American standard "ASTMA105/A105M steel forgings for pipeline components", and the other is the Chinese standard "GB/T12228-2006 general valve carbon steel forgings technical conditions". Material grade :A105 Standard :ASTMA105 Carbon steel forgings for pipe parts Country and region :USA Steel Group: Structural steel Comparison :1.0402EuropeanUnion/EN comparison 1.0406EuropeanUnion/EN comparison 1.0477EuropeanUnion/EN comparison 1.0478EuropeanUnion/EN Comparison 1.0501EuropeanUnion/EN comparison

           Ingredients C: 0.35 or less Si: 0.35 Mn or less: 0.6 1.05 S: 0.050 or less P: 0.040 or less, Cu Ni acuities were 0.4 0.4 or less Mo 0.12 V 0.08 or less or less Cr 0.3 or less

Mechanical properties between 20 forged steel and 16Mn forged steel.

Mechanical Properties (Mpa)

Tensile strength :(σb)≥485Mpa

Yield strength (σs)≥250Mpa

Rear elongation (δ)≥22%

Section shrinkage (ψ)≥30%

Hardness ≤HB187

Note: In the pipeline system, A105 can generally replace No. 20, but No. 20 can not completely replace A105, because the strength difference is still large. However, the resistance to stress corrosion cracking (SCC) of the A105 is slightly worse than that of the 20.