Chemical Requirements for Grades O,A,B,C,D, and DH Nuts For Sale | Shanghai Jian & Mei Industry and Trade Co., Ltd

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Chemical Requirements for Grades O,A,B,C,D, and DH Nuts

Jun 15,2018

Grade of Nut	Composition,%
Grade of Nut	Analysis	Carbon	Manga-nese, min	Posph- orus, max	Sulfur, max
O,A,B,C	heat product	0.55 max 0.58 max	… …	0.12 0.13B	0.15A …
DC	heat product	0.55 max 0.58 max	0.30 0.27	0.04 0.48	0.05 0.058
DHC	heat product	0.20-0.55 0.18-0.58	0.60 0.57	0.04 0.48	0.05 0.058

A For Grades O,A, and B a sulfur content of 0.23% max is acceptable with purchaser's approval.
B Acid-bessemer steel only.
C For Grades D and DH a sulfur content of 0.05-0.15% is acceptable, provided the manganese is 1.35% min.

Thread Dimensions and Overtapping Allowances for Nuts Hot-Dip Zinc Coated per Specififcation A153, C1.C

Mechanical Requirements A563

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