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| SKU: | SPCC-8B |
| Product Name: | SPCC-8B (CQ) |
| Quality Grade: | Commercial Quality |
| Price: | Call |
– To be the carbon sheet and flat steel with the commercial quality.
– The nominal thickness of the product: from 0.15mm to 1.8mm.
– The nominal width of the product: from 650mm to 1300mm..
– Maximum coil weight is 25 tons.
Commercial Quality
Used for painting – plating industry, household appliances, furniture, manufacturing motorcycle, manufacturing automobile wagon, drums, purlins…
JIS G 3141
| PRODUCT GROUP ACCORDING TO HARDNESS | PRODUCT DESIGNATION ACCORDING TO HARDNESS. | FINISHING SURFACE | APPLIED STANDARDS |
|---|---|---|---|
| Soft Annealing Type, skinpass (Annealing – Temper) | SPCC-SD | Rough, dull | JIS G 3141 |
| SPCC-SB | Clear, bright | ||
| Soft Annealing Type (Annealing) | SPCC-A | Clear, bright | |
| Type of Hardness 1/8 | SPCC-8B | Clear, bright | |
| Type of Hardness 1/4 | SPCC-4B | Clear, bright | |
| Type of Hardness 1/2 | SPCC-2B | Clear, bright | |
| Type of Hardness 1 (Full hard) | SPCC-1B | Clear, bright |
| PRODUCT GROUP MARK | C | MN | P | S |
|---|---|---|---|---|
| SPCC | 0.12 Max | 0.50 Max | 0.040 Max | 0.045 Max |
| Product Grade | Tensile strength N/mm2 | Elongation quantity, % | Test Tensile sample | |||||
| Discrimination following to the nominal thickness, mm | ||||||||
| Less than or equal to 0.25 | From 0.25 to less than 0.40 | From 0.40 to less than 0.60 | From 0.60 to less than 1.0 | From 1.0 to less than 1.6 | From 1.6 to less than 2.5 | More than or equal to 2.5 | ||
| SPCC-SBSPCC-SD | ≥ 270 | ≥ 32 | ≥ 34 | ≥ 36 | ≥ 37 | ≥ 38 | ≥ 39 | Model No. 5 in rolling direction (JIS G 3141) |
| SPCC-8B | 290 to 410 | ≥ 25 | ||||||
| SPCC-4B | 370 to 490 | ≥ 10 | ||||||
| SPCC-2B | 440 to 590 | – | ||||||
| SPCC-1B | ≥ 550 | – | ||||||
| Product Grade | Hardness | |
| HRB | HV | |
| SPCC-SD | ≤ 65 | ≤ 115 |
| SPCC-SB | ≤ 65 | ≤ 115 |
| SPCC-A | ≤ 57 | ≤ 105 |
| SPCC-8B | 50 to 71 | 95 to 130 |
| SPCC-4B | 65 to 80 | 115 to 150 |
| SPCC-2B | 74 to 89 | 135 to 185 |
| SPCC-1B | ≥ 85 | ≥ 170 |
| Discrimination following to the nominal width (mm) | Discrimination following to the nominal width (mm) | ||||
| Less than 630 | From 630 to less than 1000 | From 1000 to less than 1250 | From 1250 to less than 1600 | More than 1600 | |
| Less than 0.25 | ± 0.03 | ± 0.03 | ± 0.03 | – | – |
| From 0.25 to less than 0.40 | ± 0.04 | ± 0.04 | ± 0.04 | – | – |
| From 0.40 to less than 0.60 | ± 0.05 | ± 0.05 | ± 0.05 | ± 0.06 | – |
| From 0.60 to less than 0.80 | ± 0.06 | ± 0.06 | ± 0.06 | ± 0.06 | ± 0.07 |
| From 0.80 to less than 1.0 | ± 0.06 | ± 0.06 | ± 0.07 | ± 0.08 | ± 0.09 |
| From 1.0 to less than 1.25 | ± 0.07 | ± 0.07 | ± 0.08 | ± 0.09 | ± 0.11 |
| From 1.25 to less than 1.6 | ± 0.08 | ± 0.09 | ± 0.10 | ± 0.11 | ± 0.13 |
| From 1.6 to less than 2.00 | ± 0.10 | ± 0.11 | ± 0.12 | ± 0.13 | ± 0.15 |
| Discrimination following to the nominal width | |
| Less than 1250 | More than 1250 |
| + 70 | + 100 |
| Discrimination following to the nominal width | |
| Less than 1250 | More than 1250 |
| + 30 | + 40 |
– Flatness tolerances are classified into two categories A and B as shown in the following tables.
| DISCRIMINATION FOLLOWING TO THE NOMINAL WIDTH (MM) | SORTED BY SHAPE | ||
|---|---|---|---|
| BOW, WAVE | EDGE WAVE | CENTER BUCKLE | |
| Less than 1000 | 12 | 8 | 6 |
| From 1000 to less than 1250 | 15 | 9 | 8 |
| From 1250 to less than 1600 | 15 | 11 | 8 |
| More than or equal 1600 | 20 | 13 | 9 |
| DISCRIMINATION FOLLOWING TO THE NOMINAL WIDTH (MM) | SORTED BY SHAPE | ||
|---|---|---|---|
| BOW, WAVE | EDGE WAVE | CENTER BUCKLE | |
| Less than 1000 | 2 | 2 | 2 |
| From 1000 to less than 1250 | 3 | 2 | 2 |
| From 1250 to less than 1600 | 4 | 3 | 2 |
