Qulqulka tuubbada birta ee birta ah
Hal tijaabo oo kacsanaan ah ayaa loo sameeyaa kuleyl kasta oo ah ASTM A182 F51 F51 F5. Mid ka mid ah saddexda baaritaan ee saddex-meeloodeed V-notch waa in loo sameeyaa kuleylka kasta oo alaabooyin ah.
Asal ahaan loo soo saaray in lagula dagaallamo dabka biyaha badda, Al6xn wuxuu ku ballaariyay kaalinteeda sida ugu badnaan dhexdhexaad ah oo u adkeysta alloy-ka u adkaysta. Al6xn Flap waa kaarboon hoose, daahir sare, nitrogen oo ay kujiraan "super austenitic" steel aan sal lahayn oo bir bir ah. Al 6xn the the the the the austenitic al 6xn the the the the the austenitic, oo laga sameeyay aloy oo ay ku jiraan kaarboon kaarboon oo xadidan, nickel iyo molybyen. Al 6xn thintated ushaha ayaa u adkaysata jahwareerka isku-darka walbahaarka ee chloride.