鋼種 | 牌號(hào) | 用途 | 化學(xué)成分 % | 機(jī)械性能 | ||||||||||||
C | Mn | P | S | Alt | Ti | 屈服強(qiáng)度Mpa 不小于 | 抗拉強(qiáng)度Mpa 不小于 | 斷后伸長率 % 不小于 | ||||||||
公稱厚度 mm | r值 | n值 | ||||||||||||||
<0.60 | 0.60~<1.0 | 1.0~<1.6 | ≥1.6 | 不小于 | 不小于 | |||||||||||
冷連軋?zhí)妓劁撯k及鋼帶 | SPCC | 一般用 | ≤0.12 | ≤0.50 | ≤0.035 | ≤0.025 | ≥0.020 | - | 270 | 34 | 36 | 37 | 38 | |||
SPCD | 沖壓用 | ≤0.10 | ≤0.45 | ≤0.035 | ≤0.025 | ≥0.020 | - | 270 | 36 | 38 | 39 | 40 | ||||
SPCE、SPCEN | 深沖用 | ≤0.08 | ≤0.40 | ≤0.025 | ≤0.020 | ≥0.020 | 210 | 270 | 38 | 40 | 41 | 42 | ||||
冷連軋低碳鋼板及鋼帶 | DC01(ST12) | 一般用 | ≤0.10 | ≤0.50 | ≤0.035 | ≤0.025 | ≥0.020 | - | 130~260 | 270 | 28 | 30 | 32 | 34 | - | - |
DC03(ST13) | 沖壓用 | ≤0.08 | ≤0.45 | ≤0.030 | ≤0.025 | ≥0.020 | - | 120~240 | 270 | 32 | 34 | 35 | 36 | - | - | |
DC04(ST14、ST15) | 深沖用 | ≤0.08 | ≤0.40 | ≤0.025 | ≤0.020 | ≥0.020 | - | 120~210 | 270 | 36 | 38 | 39 | 40 | 1.50 | 0.18 | |
DC05(BSC2) | 特深沖用 | ≤0.008 | ≤0.30 | ≤0.020 | ≤0.020 | ≥0.015 | ≤0.20 | 110~190 | 260 | 38 | 39 | 40 | 41 | 1.80 | 0.20 | |
DC06(ST16、ST14-T、BSC3) | 超深沖用 | ≤0.006 | ≤0.30 | ≤0.020 | ≤0.020 | ≥0.015 | ≤0.20 | 100~180 | 260 | 39 | 40 | 41 | 42 | 2.00 | 0.22 | |
沖壓用冷連軋鋼板及鋼帶 | BLC | 一般用 | ≤0.10 | ≤0.50 | ≤0.035 | ≤0.025 | ≥0.020 | - | 140~270 | 270 | 36 | 38 | 40 | 42 | - | - |
BLD | 沖壓用 | ≤0.08 | ≤0.45 | ≤0.030 | ≤0.025 | ≥0.020 | - | 120~240 | 270 | 38 | 40 | 42 | 44 | 1.40 | 0.18 | |
BUSD | 深沖用 | ≤0.01 | ≤0.40 | ≤0.025 | ≤0.020 | ≥0.015 | ≤0.20 | 120~210 | 260 | 40 | 42 | 44 | 46 | 1.60 | 0.20 | |
BUFD | 特深沖用 | ≤0.008 | ≤0.30 | ≤0.020 | ≤0.020 | ≥0.015 | ≤0.20 | 120~190 | 250 | 42 | 44 | 46 | 48 | 1.80 | 0.21 | |
BSUFD | 超深沖用 | ≤0.006 | ≤0.30 | ≤0.020 | ≤0.020 | ≥0.015 | ≤0.20 | 110~180 | 250 | 44 | 46 | 48 | 50 | 2.00 | 0.22 |