Surface Finishes | Finishing rolling reduction |
---|---|
Annealing finishing | (As annealing) |
Skin pass | Within 5% |
Roll up | 15~40% |
High rolling finishing | 35%< |
Type of steel strip | condition | Hardness Test | Tensile Test | |
---|---|---|---|---|
HV | Tensile strength N/mm2 | Elongation % | ||
TE2 SK2ESR |
Annealing | 170 ~ 210 | 520 ~ 685 | 20 ~ 32 |
Skin pass | 190 ~ 230 | 570 ~ 715 | 10 ~ 28 | |
Roll up | 250 ~ 290 | 735 ~ 980 | 2 ~ 15 | |
High rolling | 280 ~ 320 | 835 ~ 1080 | 1 ~ 3 | |
SK4ESR、SK4 |
Annealing | 160 ~ 200 | 490 ~ 645 | 24 ~ 35 |
Skin pass | 175 ~ 215 | 540 ~ 695 | 12 ~ 32 | |
Roll up | 245 ~ 285 | 725 ~ 970 | 3 ~ 15 | |
High rolling | 270 ~ 310 | 825 ~ 1040 | 1 ~ 4 | |
SK5 |
Annealing | 15 ~ 0190 | 460 ~ 625 | 26 ~ 37 |
Skin pass | 170 ~ 210 | 510 ~ 685 | 15 ~ 35 | |
Roll up | 240 ~ 280 | 725 ~ 930 | 3 ~ 16 | |
High rolling | 260 ~ 300 | 805 ~ 1000 | 1 ~ 5 | |
SK6 |
Annealing | 145 ~ 185 | 440 ~ 615 | 27 ~ 38 |
Skin pass | 160 ~ 200 | 490 ~ 665 | 15 ~ 35 | |
Roll up | 235 ~ 275 | 715 ~ 920 | 3 ~ 16 | |
High rolling | 255 ~ 295 | 795 ~ 990 | 1 ~ 5 | |
SK7、LP7 |
Annealing | 140 ~ 180 | 410 ~ 610 | 28 ~ 39 |
Skin pass | 155 ~ 195 | 460 ~ 655 | 16 ~ 36 | |
Roll up | 230 ~ 270 | 705 ~ 900 | 3 ~ 17 | |
High rolling | 250 ~ 290 | 775 ~ 970 | 1 ~ 5 | |
SKS2 |
Annealing | 190 ~ 230 | 615 ~ 715 | 20 ~ 30 |
High rolling | 280 ~ 320 | 835 ~ 1080 | 1 ~ 3 | |
SKS7 |
Annealing | 200 ~ 240 | 645 ~ 735 | 20 ~ 28 |
High rolling | 300 ~ 340 | 880 ~ 1125 | 1 ~ 3 | |
SUP6 |
Annealing | 170 ~ 210 | 520 ~ 685 | 15 ~ 30 |
High rolling | 270 ~ 310 | 825 ~ 1040 | 1 ~ 4 | |
SUP10 |
Annealing | 150 ~ 190 | 460 ~ 625 | 26 ~ 37 |
High rolling | 250 ~ 290 | 735 ~ 980 | 1 ~ 5 | |
SCM 435 |
Annealing | 145 ~ 185 | 430 ~ 615 | 28 ~ 43 |
High rolling | 230 ~ 270 | 685 ~ 880 | 1 ~ 6 | |
SNC415 |
Annealing | 125 ~ 165 | 335 ~ 540 | 28 ~ 50 |
High rolling | 200 ~ 240 | 655 ~ 735 | 1 ~ 8 |
- Cold Rolled Stainless Steel Strip:
Type of steel strip | condition | Hardness Test | Tensile Test | |
---|---|---|---|---|
HV | Tensile strength N/mm2 | Elongation % | ||
SUS301 | Annealing | 170 ~ 200 | 735 ~ 930 | 45 ~ 60 |
High rolling | 500 ~ 550 | 1715 ~ 2060 | 1 ~ 4 | |
SUS304 | Annealing | 140 ~ 180 | 540 ~ 706 | 47 ~ 62 |
High rolling | 390 ~ 430 | 1225 ~ 1420 | 1 ~ 3 | |
SUS420J2 | Annealing | 155 ~ 200 | 540 ~ 655 | 20 ~ 30 |
High rolling | 280 ~ 320 | 880 ~ 1030 | 1 ~ 3 |
Type | Mark | After Rolling | After Low Temp Tempering | Bending Process |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Hardness HV |
Tensile Strength N/mm 2 |
Elongation % |
Spring Limit N/mm 2 |
Hardness HV |
Tensile Strength N/mm 2 |
Elongation % |
Spring Limit N/mm 2 |
||||
SUS301 | SEH | ≧530 | ≧1810 | - | ≧650 | ≧550 | ≧1940 | - | ≧880 | - | |
EH | ≧490 | ≧1570 | - | ≧590 | ≧505 | ≧1665 | - | ≧785 | - | ||
H | ≧430 | ≧1320 | - | ≧490 | ≧440 | ≧1400 | - | ≧655 | (Note3)4tR90° Bendable | ||
3/4H | ≧370 | ≧1130 | ≧ 5 | ≧390 | ≧380 | ≧1175 | ≧ 4 | ≧540 | 2.5tR90° Bendable | ||
1/2H | ≧310 | ≧ 930 | ≧10 | ≧315 | ≧315 | ≧ 960 | ≧ 8 | ≧390 | 2tR90° Bendable | ||
1/4H | ≧250 | ≧ 860 | ≧25 | - | ≧253 | ≧ 880 | ≧20 | - | 1tR90° Bendable | ||
SUS304 | H | ≧370 | ≧1130 | - | ≧390 | ≧385 | ≧1195 | - | ≧590 | (Note3)2tR90° Bendable | |
3/4H | ≧310 | ≧ 930 | ≧ 3 | ≧335 | ≧320 | ≧ 970 | ≧ 2 | ≧430 | 2.5tR90° Bendable | ||
1/2H | ≧250 | ≧ 780 | ≧ 6 | ≧275 | ≧255 | ≧ 805 | ≧ 4 | ≧315 | 2tR90° Bendable |
[ Notes ]
1. Tensile Strength Test is based on No. JIS13B testing piece
2. The coefficient of Repeat deflection test is 167,000N/mm2
3. Bending Process is based on bending with good condition.