冷軋帶鋼 極限偏差和形狀公差 DIN EN 10140 - 1996
適用范圍
標(biāo)準(zhǔn)包含了對(duì)扁平制品的極限偏差和形狀公差公差的要求。適用于由非合金鋼和合金鋼制成的軋制寬度小于600mm成卷的冷軋帶鋼以及由此縱切的厚度小于等于10mm的條鋼，但不包括不銹鋼和耐熱鋼。
不適用于的冷軋扁平制品如下：
* 冷軋的非晶格取向電工鋼板和帶鋼 EN 10106
* 晶格取向電工鋼板和帶鋼 EN 10107
* 冷軋的非最終退火的電工鋼板和帶鋼 EN 10126/EN 10165
* 不帶軟鋼鍍層和用于冷成形帶較高屈服點(diǎn)鋼的鍍層冷軋扁平制品 EN 10131
* 成卷的冷軋極薄鋼板 EN 10205
厚度的極限偏差
公稱厚度 mm | 寬度為公稱寬度時(shí)厚度的極限偏差 /mm | |||||||||
＜125 | ≥125＜250 | ≥250＜600 | ||||||||
＞ | ≤ | normal A | fine B | Precision C | normal A | fine B | Precision C | normal A | fine B | Precision C |
| 0.10 | ±0.008 | ±0.006 | ±0.004 | ±0.010 | ±0.008 | ±0.005 | ±0.015 | ±0.012 | ±0.008 |
0.10 | 0.15 | ±0.010 | ±0.008 | ±0.005 | ±0.015 | ±0.012 | ±0.010 | ±0.020 | ±0.015 | ±0.010 |
0.15 | 0.25 | ±0.015 | ±0.012 | ±0.010 | ±0.020 | ±0.015 | ±0.010 | ±0.025 | ±0.015 | ±0.012 |
0.25 | 0.40 | ±0.020 | ±0.015 | ±0.010 | ±0.025 | ±0.020 | ±0.015 | ±0.030 | ±0.020 | ±0.015 |
0.40 | 0.60 | ±0.025 | ±0.020 | ±0.015 | ±0.030 | ±0.025 | ±0.015 | ±0.035 | ±0.025 | ±0.020 |
0.60 | 1.00 | ±0.030 | ±0.025 | ±0.015 | ±0.035 | ±0.030 | ±0.020 | ±0.040 | ±0.030 | ±0.025 |
1.00 | 1.50 | ±0.035 | ±0.030 | ±0.020 | ±0.040 | ±0.035 | ±0.025 | ±0.050 | ±0.040 | ±0.030 |
1.50 | 2.50 | ±0.045 | ±0.035 | ±0.025 | ±0.050 | ±0.040 | ±0.030 | ±0.060 | ±0.045 | ±0.035 |
2.50 | 4.00 | ±0.055 | ±0.040 | ±0.030 | ±0.060 | ±0.050 | ±0.035 | ±0.075 | ±0.055 | ±0.040 |
4.00 | 6.00 | ±0.070 | ±0.050 | ±0.035 | ±0.075 | ±0.060 | ±0.040 | ±0.090 | ±0.065 | ±0.045 |
6.00 | 8.00 | ±0.080 | ±0.060 | ±0.040 | ±0.090 | ±0.070 | ±0.045 | ±0.100 | ±0.075 | ±0.050 |
8.00 | 10.00 | ±0.090 | ±0.070 | ±0.045 | ±0.100 | ±0.080 | ±0.050 | ±0.110 | ±0.085 | ±0.055 |
帶軋制棱制品寬度的極限偏差
公稱寬度 mm | 寬度的極限偏差 mm |
＜40 | 0/+1.6 |
≥40＜80 | 0/+2.0 |
≥80＜125 | 0/+2.4 |
≥125＜250 | 0/+3.0 |
≥250＜400 | 0/+3.6 |
≥400＜500 | 0/+4.2 |
≥500＜600 | 0/+4.5 |
* 帶特殊棱SK制品的允許寬度偏差應(yīng)在訂貨時(shí)協(xié)商。 | |
帶切削棱制品寬度的極限偏差
公稱厚度 mm | 寬度為公稱寬度時(shí)寬度的極限偏差 /mm | ||||||
＜125 | ≥125＜250 | ≥250＜600 | |||||
＞ | ≤ | normal A | fine B | normal A | fine B | normal A | fine B |
| 0.60 | ±0.15 | ±0.10 | ±0.20 | ±0.13 | ±0.25 | ±0.18 |
0.60 | 1.50 | ±0.20 | ±0.13 | ±0.25 | ±0.18 | ±0.30 | ±0.20 |
1.50 | 2.50 | ±0.25 | ±0.18 | ±0.30 | ±0.20 | ±0.35 | ±0.25 |
2.50 | 4.00 | ±0.30 | ±0.20 | ±0.35 | ±0.25 | ±0.40 | ±0.30 |
4.00 | 6.00 | ±0.35 | ±0.25 | ±0.40 | ±0.30 | ±0.45 | ±0.35 |
6.00 | 8.00 | ±0.45 |
| ±0.50 |
| ±0.55 |
|
8.00 | 10.00 | ±0.50 |
| ±0.55 |
| ±0.60 |
|
* 調(diào)質(zhì)狀態(tài)的冷軋帶鋼寬度的極限偏差及制品厚度大于6mm時(shí)的測(cè)量寬度方法應(yīng)在訂貨時(shí)協(xié)商。 | |||||||
長(zhǎng)度的極限偏差
公稱長(zhǎng)度L mm | 極限偏差 /mm | |
A級(jí) | B級(jí) | |
L≤1000 | +10 | +6 |
1000＜L≤2500 | +0.01×L | +6 |
L＞2500 | +0.01×L | +0.003×L |
直度公差（測(cè)量長(zhǎng)度為1000mm）
公稱寬度w mm | 直度公差 /mm | |
A級(jí) | B級(jí) | |
10≤w＜25 | 5.00 | 2.00 |
25≤w＜40 | 3.50 | 1.50 |
40≤w＜125 | 2.50 | 1.25 |
125≤w＜600 | 2.00 | 1.00 |
* 表中數(shù)值只適用于寬度至少是厚度10倍的冷軋帶鋼。對(duì)于調(diào)質(zhì)的冷軋帶鋼，可在訂貨時(shí)通過商定降低直度公差。 | ||
如果測(cè)量長(zhǎng)度為1000mm不合適，直度公差的等效值可按公式計(jì)算：直度公差=(非標(biāo)準(zhǔn)長(zhǎng)度)2 / (標(biāo)準(zhǔn)長(zhǎng)度)2 × 表中的公差值。