grey i ron GG nghia la gi nhi

Cho em hoi thuat ngu sau chi GG nghia la gi a ? " Grey iron GG"
em xin cam on truoc a

Chao ban.
Moi quoc gia co nhung tieu chuan khac nhau de kiem tra chat luong cua vat lieu. Vi du o My thi ho dung tieu chuan cua ASTM, canada thi CSA chang han, o Anh thi lai dung 1 tieu chuan khac. Vi vay khi ma mua nguyen lieu nhap tu moi nuoc, thi can phai kiem tra coi cung san pham do, tuong duong voi ky hieu nuoc minh su dung la gi.
GG la ky hieu ho dung cua Netherlands de giam dinh chat luong. Cu the la, sat thep loai A36 la tieu chuan cua My ASTM, tuong duong voi no' o canada ki hieu la AT36
Grey cast Iron GG nhu ban noi , minh google thi tuong duong voi tieu chuan My ASTM B25-26, nhung cung can kiem tra do cung, suc chiu dung de coi co dung loai do ko.
Neu ban can tieu chuan ky thuat cua grey cast iron GG thi email minh cu the, minh co the check ASTM de lay du lieu tuong duong. Con neu chi de hoi cho biet, thi GG chi la ky hieu (code) ma moi nuoc dung de phan loai san pham.

Da tra loi email cua ban. Ban nen su dung ASTM code de google thi de co ket qua hon la dung code cua German neu ban gioi tieng Duc thi khac. Nhung da phan, khi su dung de ban san pham de dang, cac cty deu doi sang tieu chuan cua My( ASTM).