The Baumann method uses contact printing using silver salts and sulphuric acid. It is applicable to non-alloy and alloy steels and to cast irons of which the sulphur content is less than 0.1 %. Specifies general, principle, products and reagents, test pieces, procedure and test report.
Số hiệu tiêu chuẩn
ISO 4968
Tên tiêu chuẩn
Steel; Macrographic examination by sulfur print (Baumann method)
Ngày phát hành
1979-11-00
Tiêu chuẩn tương đương
BS 6285 (1982-09-30), IDT * GB/T 4236 (1984), NEQ * NF A05-151 (1984-09-01), NEQ * JIS G 0560 (1998-02-20), MOD * JIS G 0560 (2008-11-20), MOD * TS 3850 (1982-12-14), IDT * UNI ISO 4968 (1983), IDT * UNI ISO 4968:1983 (1983-02-28), IDT
Từ khóa
Baumann test * Macroscopic examination * Metallography * Steels * Sulphur * Testing * Photographic recording
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