Mild Steel Seamless Pipes by China Maxcool Refrigeration mild steel seamless pipe st52 4
ASTM A106 Gr.B Seamless Mild Steel Round Pipes Price Product Alloy Seamless Pipe Material Carbon Steel/ Alloy Steel Section Shape Round Grade 10#(St37.4,St35,St37,E235),20#(St45,St44,E255),45#(Ck45),16Mn(St52) ,30Crmo(AISI4130) and other special material. Standard DIN2391,EN10305-1,GB/T3639 Certification ISO9001 Technique Cold
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