GB/T 18376.3-2015Grades of cemented carbide—Part 3: Grades of cemented carbide for wear parts (English PDF)

2.1 wear-resistant parts with carbide grades that rules

Wear-resistant parts with carbide grades by the feature code, classification code, group number (with 10,20,30 and other two-digit group,

If necessary, can be inserted between the two group number of an intermediate supplement group number, with 15,25,35, etc.), sub-code (if necessary,

Characters not more than 2, the first letter for the capital letters, followed by Arabic numerals 1 to 9), said as follows.

Character code, said wear-resistant parts with carbide

Classification code, see Table 1

XX Group number, see Table 2

XX Subdivision code, with the English letter (followed by figures) that need to use

Example 1.

Metal wire, rod, tube drawing carbide, group number 30 of the hard alloy grades, marked as. LS30.

Example 2.

Stamping die with carbide, packet number 20, subdivision code for the A8 carbide grades, marked as. LT20A8.

2.2 wear-resistant parts with carbide grades of the classification code

Wear-resistant parts with carbide grades classification code in Table 1.

Table 1

Wear-resistant parts are classified as carbide grades

Metal wire, rod, tube drawing carbide

Carbide for stamping die

Carbide for high temperature and high pressure components

Carbide for Rolling Ring Roller 2.3 wear-resistant parts with carbide grades of the basic chemical composition and mechanical properties

Wear-resistant parts with carbide grades of the basic chemical composition and mechanical performance requirements in Table 2.