420J1不銹鋼帶，420J1不銹鋼帶鋼，420J1不銹帶鋼
產(chǎn)品廣泛應用于半導體，電子汽車行業(yè)，集成電路封裝的貼片環(huán)，發(fā)光二極管封裝前道工序的擴片環(huán)，收線彈簧，渦卷彈簧 ，刀剪行業(yè)
退火狀態(tài) 420J1不銹鋼帶，420J1不銹鋼帶鋼，420J1不銹帶鋼的力學性能
| 牌號 | 退火 處理 | 抗拉試驗 | 硬 度 | 180°彎曲試驗 d為彎心直徑 a為鋼帶厚度 |
| óO．2 | ób | δ5 (％)≥ | HRB ≤ | HV ≤ |
| ／MPa≥ |
| 1Crl2 | ① | 205 | 440 | 20 | 93 | 210 | d=2a |
| 0Crl3 | ② | 205 | 410 | 20 | 88 | 200 | d=2a |
| 1Crl3 | ② | 205 | 440 | 20 | 93 | 210 | d=2a |
| 420J1 | ① | 225 | 520 | 18 | 97 | 234 | |
| 420J2 | ② | 225 | 540 | 18 | 99 | 247 | |
| 3Crl6 | ② | 225 | 520 | 18 | 100 | 253 | |
| 7Crl7 | ② | 245 | 590 | 15 | HRC25 | 269 | |
①表示約750°C快冷或800～900°C緩冷；
②表示800～900°C緩冷。
淬火回火狀態(tài)420J1不銹鋼帶，420J1不銹鋼帶鋼，420J1不銹帶鋼的硬度
| 牌 號 | 熱處理溫度／℃ | 洛氏硬度HRC ≥ |
| 淬 火 | 回 火 |
| 420J1 | 980～1040快冷 | 150～400空冷 | 40 |
| 7Crl7 | 1010～1070快冷 | 150～400空冷 | 40 |
鋼帶的厚度允許偏差 (mm)
| 厚 度 | 寬 度 |
| 20～150 | >150～250 | >250～400 | >400～600 |
| 0.05～O．10 | 土O．010 | ±0.010 | ±0.010 | |
| >0.10～O．15 | 士O．010 | ±O．010 | ±0.010 | |
| >O．15～0.25 | +O．010 -O．020 | +0.0lO -O．020 | +O．OlO -O．020 | ±O．020 |
| >O．25～0.45 | ±O．020 | ±O．020 | ±O．020 | +O．020 -O．030 |
| >O．45～O．65 | +0.020 -O．030 | +0.020 -O．030 | +0.020 -O．030 | ±O．030 |
| >O．65～0.90 | ±O．030 | ±O．030 | ±O．030 -0.040 | ±O．040 |
| >O．90～1.20 | +0.030 ～O．040 | ±0.040 | ±0.040 | +0.040 -0.050 |
| >1.20～1.50 | +O．040 -0.050 | ±O．050 | ±O．050 | +0.050 ～O．060 |
| >1.50～1.80 | ±0.060 | +0.060 -0.070 | +O．060 -0.070 | ±0.070 |
| >1.80～2.00 | ±O．060 | ±O．070 | +0.070 -O．080 | ±O．080 |
| >2.00-2.30 | ±0.070 | ±0.080 | +O．08 -0.09 | ±0.090 |
| >2.30～2.50 | ±O．070 | ±O．080 | +O．08 -0.09 | ±0.090 |
| >2.50～3.10 | ±O．080 | ±0.090 | +0.09 ～O．10 | ±O．100 |
| >3.10～<4.00 | ±O．090 | ±O．100 | +0.10 -O．1l | ±0.110 |
不銹鋼的牌號和化學成分
| 牌 號 | 化學成分(質量分數(shù))(％) |
| C | Si | Mn | P | S | Ni | Cr | M0 | 其他 |
| 馬氏體型 |
| lCrl2 | ≤ O.15 | ≤0.50 | ≤1.00 | ≤0.035 | ≤O.030 | ③ | L1.50～13.00 | | |
| lCrl3 | ≤ O.15 | ≤1.00 | ≤1.00 | ≤0.035 | ≤O.030 | ③ | 13.50～11.50 | | |
| 0Crl3 | ≤O.08 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | ③ | 13.50～ 11.50 | | |
| YlCrl3 | ≤ O.15 | ≤1.00 | ≤1.25 | ≤O.060 | ≥O.15 | ③ | 12.00～14.00 | ① | |
| lCrl3M0 | O.08～ 0.18 | ≤0.60 | ≤1.00 | ≤O.035 | ≤0.030 | ③ | 11.50～14.00 | 0.30～0.60 | |
| 420J1 | 0.16 ～O.25 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | ③ | 12.00～14.00 | | |
| 420J2 | O.26～ O.35 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | ③ | 12.00～14.00 | | |
| Y3Crl3 | O.26～ O.40 | ≤1.00 | ≤1.25 | ≤O.060 | ≥0.15 | ③ | 12.00～14.00 | ① | |
| 3Crl3M0 | O.28 ～ 0.35 | ≤0.80 | ≤1.00 | ≤0.035 | ≤O.030 | ③ | 12.00～14.00 | O.50～1.00 | |
| 4Crl3 | 0.36～ O.45 | ≤O.60 | ≤0.80 | ≤O.035 | ≤0.030 | ③ | 12.00～ 14.00 | | |
| 1Crl7N2 | 0.11～0.17 | ≤O.80 | ≤O.80 | ≤0.035 | ≤O.030 | 1.50～2.50 | 16.00～18.00 | | |
| 7Crl7 | O.60～ O.75 | ≤1.00 | ≤1.00 | ≤0.035 | ≤O.030 | ③ | 16.00～18.00 | ① | |
| 8Cr17 | 0.75～ O.95 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | ③ | 16.00～18.00 | ④ | |
| 9Crl8 | 0.90～ 1.00 | ≤O.80 | ≤0.80 | ≤O.035 | ≤0.030 | ③ | 17.00～19.00 | ④ | |
| llCrl7 | O.95～ 1.20 | ≤1.00 | ≤1.00 | ≤O.035 | ≤0.030 | ③ | 16.00～18.00 | ④ | |
| YllCrl7 | O.95～ 1.20 | ≤1.00 | ≤1.25 | ≤0.060 | ≥O.15 | ③ | 16.00～18.00 | ④ | |
| 9Crl8Mo | O.95～ 1.10 | ≤0.80 | ≤O.80 | ≤O.035 | ≤0.030 | ③ | 16.00～18.00 | 0.40～0.70 | |
| 9Crl8MoV | O.85～ 0.95 | ≤O.80 | ≤0.80 | ≤O.035 | ≤O.030 | ③ | 17.00～19.00 | 1.00～ 1.30 | V0.07 ～O.012 |
