Specification
1 Kinds and symbols
Available sizes are from 0.27mm to 9.0mm in thickness.
For kinds of cut sheets and coils, those using hot-rolled substrates (“HR Substrate”) are shown in Table 1-1 and those using cold-rolled substrates (“CR Substrate”) in Table 1-2.
Table 1-1 Kinds and symbols (when HR Substrate is used)

Remarks: Indicated thicknesses other than those given in Table 1-1 may be agreed upon between the parties involved with deliveries.
Table 1-2 Kinds and symbols (when CR Substrate is used)

Remarks: 1. NSCD3 sheets and coils, when non-aging property is to be guaranteed according to the specifications of the orderer, letter “N” shall be affixed to the end of the symbol of the kind: namely, NSCD3N.
2. Indicated thicknesses other than those given in Table 1-2 may be agreed upon between the parties involved with deliveries.
2 Skin passing
Skin-passing for achieving smooth surfaces may be specified in the order.
3 Coating weight
Indicated symbols of coatings and coating weights are as shown in Table 2.
Table 2 Minimum coating weights of both-side differential thickness coated sheets and indicated symbols of coating weights
(g/m2)


4 Phosphating
Kinds and symbols of phosphating of sheets and coils are as shown in Table 3.
Table 3 Kinds and symbols of phosphating

Remarks: Kinds of phosphating not shown in Table 3
may be agreed upon between the parties involved with deliveries.

5 Oiling
Kinds and symbols of oiling of sheets and coils are as shown in Table 4.

Remarks: Kinds of oiling not shown in Table 4 may be agreed upon between the parties involved with deliveries.

Mechanical properties

1 Bending property
Bending property of sheets and coils are as shown in Table 5. The outside surface (the portion more than 7mm inward from both edges in the transverse direction of the test piece) shall be free from peeling of the galvanized coating and cracking (observable with the naked eye) and breaking in the substrate.
Table 5 Bending property

Remarks: 1. When HR Substrate is used, pending property above shall apply to indicated thicknesses of over 1.6mm.
2. Figures in Table 5 represent the number of sheets of the indicated thickness in between the inside distance of the fold.
2 Yield point, tensile strength, elongation and non-aging property
Yield point, tensile strength, elongation and non-aging property (only when CR Substrate is used) of sheets and coils are as shown in Tables 6 and 7.
Table 6 Yield point, tensile strength and elongation (when HR Substrate is used)


Reference: NSDHC ordinarily has a yield point of over 205N/mm2 and tensile strength of over 270N/mm2.
Table 7 Yield point, tensile strength and elongation (when CR Substrate is used)

Remarks: 1. NSDCD3 sheets and coils, when non-aging property is specified, shall be guaranteed for non-aging property for a period of 6 months after shipment from the manufacturing plant. Non-aging property means non-susceptibility to stretcher strain during working.

Reference: 1. NSDCC ordinarily has a yield point of over 205N/mm2 and tensile strength of over
270N/mm2.
2. NSDCH is a material which is not annealed and ordinarily has a Rockwell hardness of over 85HRB or a Vickers hardness of over 170HV (under a discretionary load).

Applications