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      • ER: indicates filler metal may be used as either an electrode or rod.
      • 70: indicates in 1000 psi increments the minimum tensile strength of the weld metal produced by the electrode when tested according to the specification. In this case, 70 indicates 70,000 psi.
      • S: indicates that the filler metal wire is solid.
      • 6: indicates the chemical composition of the solid filler metal wire. This wire has a Charpy V Notch impact property of -29 C.
      • G: "as agreed to by purchaser and supplier". No specific requirements for chemistry, yield strength, elongation, impact strength.

       

      Khác nhau về chi phí

      • ER70S-6 giá sẽ cao hơn ER70S-G.

       

      Quy trình hàn

      • Khuyến khích chạy PQR mới với que hàn chịu nhiệt độ âm (-) sau hơn.

       

      Phân loại

      • Khác nhau về nhu cầu sử dụng thì phân loại khác nhau, nếu bạn làm về tàu bè / dịch vụ offshore thì tìm kiếm các hãng được chứng nhận bới các đăng kiểm uy tín như ABS, DNV, BV, ..

       

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