鑄鐵軋輥(GB/T1504
鉻鉬無窮冷硬球墨鑄鐵軋輥 鉻鉬半冷硬球墨鑄鐵軋輥 鉻鉬無窮冷硬球墨鑄鐵軋輥
(1)分類與化學成分見表2-60。(2)物理性能見表2—61。表2-60鑄鐵軋輥的分類與化學成分 分類 | 名稱 | 化學成分(質量分數)(%) |
C | Sj | Mn | P | S | Ni | Cr | Mo | V | Cu | Mg | Ti | RE |
冷 硬 鑄 鐵 軋 輥 | 普通 冷硬鑄鐵軋輥 | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | --- | --- | --- | --- | --- | --- | -- | --- |
鉬冷硬鑄鐵軋輥 | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | --- | --- | 0.20~0.60 | --- | --- | --- | -- | --- |
鉻鉬冷硬鑄鐵軋輥 | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | --- | 0.20~0.60 | 0.20~0.60 | --- | --- | --- | -- | --- |
鎳鉻冷硬鑄鐵軋輥 | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | 0.50~1.00 | 0.20~0.60 | --- | --- | --- | --- | -- | --- |
鎳鉻鉬冷硬鐵軋輥(Ⅰ) | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | 0.80~2.00 | 0.30~1.20 | 0.20~0.60 | --- | --- | --- | --- | --- |
鎳鉻鉬冷硬鑄鐵軋輥(Ⅱ) | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | 2.01~3.00 | 0.50~1.50 | 0.20~0.60 | --- | --- | --- | --- | --- |
鎳鉻鉬冷硬鑄鐵乾輥(Ⅲ) | 2.90~3.80 | 0.25~0.80 | 0.20~1.00 | ≤0.45 | ≤0.12 | 3.01~4.50 | 0.50~1.70 | 0.20~0.60 | --- | --- | -- | --- | --- |
普通冷硬球墨複合鑄鐵軋輥 | 2.90~3.80 | 0.40~1.20 | 0.20~1.00 | ≤0.45 | ≤0.03 | --- | --- | --- | --- | --- | ≥0.04 | | |
鉬冷硬球墨複合鑄鐵軋輥 | 2.90~3.80 | 0.40~1.20 | 0.20~1.00 | ≤0.45 | ≤0.03 | --- | --- | 0.20~0.80 | | | ≥0.04 | | |
鉻鉬冷硬球墨複合鑄鐵軋輥 | 2.90~3.80 | 0.40~ 1.20 | 0.20~ 1.00 | ≤0.45 | ≤0.03 | | 0.20~ 0.80 | 0.20~ 0.80 | | | ≥0.04 | | |
鉻鉬釩冷硬球墨複合鑄鐵軋輥 | 2.90~3.80 | 0.40~ 1.20 | 0.20~ 1.00 | ≤0.45 | ≤0.03 | | 0.10~ 0.30 | 0 .20~ 0.80 | 0.10~ 0.30 | | ≥0.04 | | |
鉻 鉬銅冷硬球墨複合鑄鐵軋輥 | 2.90~ 3.80 | 0.40~ 1.20 | 0.20~ 1.00 | ≤0.45 | ≤0.03 | | 0.10~0.60 | 0.20~ 0.60 | | 0.40~ 1.00 | ≥0.04 | | |
無 限 冷 硬 鑄 鐵 軋 輥 | 鉻鉬無窮冷硬鑄鐵軋輥 | 2.90~ 3.70 | 0.60~ 1.20 | 0.40~ 1.20 | ≤0.25 | ≤0.12 | | 0.60~ 1.20 | 0.20~ 0.60 | | | | | |
鎳鉻鉬無窮冷硬 鑄鐵軋輥(I) | 2.90~ 3.70 | 0.60~ 1.20 | 0.40~ 1.20 | ≤0.25 | ≤0.12 | 0.50~ 1.00 | 0.70~ 1.20 | 0.20~0.60 | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅱ) | 2.90~ 3.70 | 0.60~ 1.20 | 0.40~ 1.20 | ≤0.25 | ≤0.12 | 1.01~2.00 | 0.70~ 1.20 | 0.20~ 0.60 | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅲ) | 2.90~ 3.70 | 0.60~ 1.20 | 0.40~ 1.20 | ≤0.25 | ≤0.12 | 2.01~ 3.00 | 0.70~ 1.30 | 0.20~0.60 | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅳ) | 2.90~ 3.70 | 0.60~ 1.20 | 0.40~ 1.20 | ≤0.20 | ≤0.12 | 3.0~5.00 | 1.00~2.00 | 0.20~ 0.60 | | | | | |
球墨鑄 鐵軋輥 | 普通半冷硬球墨鑄鐵軋輥 | 2.90~ 3.80 | 0.80~ 2.50 | 0.40~ 1.20 | ≤0.25 | | ≤0.03 | | | | | | ≥0.04 | |
低鉻半冷硬球墨鑄鐵軋輥 | 2.90~3.80 | 0.80~2.50 | | 0.40~1.20 | ≤0.25 | ≤0.03 | | 0.20~0.60 | | | | ≥0.04 | |
鉻鉬半冷硬球墨鑄鐵軋輥 | 2.90~3.80 | 0.80~2.50 | | 0.40~1.20 | ≤0.25 | ≤0.03 | | 0.20~0.60 | 0.20~0.60 | | | ≥0.04 | |
低鉻鉬釩鈦半冷硬球墨鑄鐵軋輥 | 2.90~3.80 | 0.80~2.50 | 0.40~1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | 0.20~0.60 | | 0.10~0.30 | | ≥0.04 | 0.03~0.30 | ≥0.025 |
鉻鉬銅半冷硬球墨鑄鐵軋輥 | 2.90~3.80 | 0.80~2.50 | 0.40~1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | 0.20~0.60 | | | 0.40~1.00 | ≥0.04 | | |
鉻鉬無窮冷硬球墨鑄鐵軋輥 | 2.90~ 3.80 | 0.80~2.50 | 0.40~ 1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | 0.20~0.60 | | | | ≥0.04 | | |
鉻鉬銅無窮冷硬球墨鑄鐵軋輥 | 2.90~ 3.80 | 0.80~2.50 | 0.40~ 1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | 0.20~0.60 | | | 0.04~ 1.00 | ≥0.04 | | |
低鉻無窮冷硬球墨鑄鐵軋輥 | 2.90~ 3.80 | 0.80~2.50 | 0.40~1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | | | | | ≥0.04 | | |
低鉻鉬釩鈦無窮冷硬鑄鐵軋輥 | 2.90~ 3.80 | 0.80~ 2.50 | 0.40~1.20 | ≤0.25 | ≤0.03 | 0.20~0.60 | 0.20~0.60 | | 0.10~ 0.30 | | ≥0.04 0.03~0.30 | | ≥0.025 |
鎳鉻鉬無窮冷硬球墨鑄鐵軋輥(I) | 2.90~ 3.80 | 0.80~ 2.50 | 0.40~1.20 | ≤0.25 | ≤0.03 | ≤1.00 | 0.20~ 0.60 | 0.20~ 0.60 | | | ≥0.04 | | |
鎳鉻鉬無窮冷硬球墨鑄鐵軋輥(Ⅱ) | 2.90~ 3.80 | 0.80~ 2.50 | 0.40~ 1.20 | ≤0.25 | ≤0.03 | 1.00~ 3.00 | 0.30~ 1.20 | 0.20~ 0.80 | | | ≥0.04 | | |
鎳鉬球墨鑄鐵軋輥(I) | 3.20~ 3.70 | 1.50~2.40 | 0.20~ 0.90 | ≤0.05 | ≤0.03 | 1.00~ 2.50 | 0.10~ 0.50 | 0.40~ 0.80 | | | ≥0.04 | | |
鎳鉬球墨鑄鐵軋輥(Ⅱ) | 2.90~ 3.60 | 1.20~ 2.40 | 0.30~0.80 | ≤0.10 | ≤0.03 | 2.5l~ 3.50 | 0.10~ 0.50 | 0.40~ 1.00 | | | ≥0.04 | | |
鎳鉬球墨鑄鐵軋 輥(Ⅲ) | 2.90~ 3.60 | 1.00~ 2.20 | 0.30~0.80 | ≤0.10 | ≤0.03 | 3.51~ 4.50 | 0.10~ 0.50 | 0.40~ 1.00 | | | ≥0.04 | | |
高 鉻鑄鐵軋輥 | 高鉻鑄鐵軋輥 | 2.30~ 3.30 | 0.30~ 1.00 | 0.50~1.20 | ≤0.20 | ≤0.06 | 1.00~ 1.70 | 12.00~22.00 | 0.70~ 2.50 | | | ≥0.04 | | |
其他要求 | 1.可用部分銅代替鎳,但不得超過含鎳量的1/3 2.含有稀土元素的球鐵軋輥,殘鎂量(質量分數)不得小於0.03% |
表2-61鑄鐵軋輥的物理性能 分類 | 名 稱 | 輥身硬度HSD | 輥頸硬度HSD | 輥身表面硬度不均勻度HSD | 抗拉強度ób/Mpa | 白口層深度/mm |
型 鋼 | 板鋼 |
≤ Ф200mm | Ф201~250mm | Ф251~300mm | > Ф300mm | 薄板 | 中板 |
冷 硬 鑄 鐵 軋 輥 | 普通冷硬鑄鐵軋輥 | 55~70 | 32~48 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鉬冷硬鑄鐵軋輥 | 55~70 | 32~48 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鉻鉬冷硬鑄鐵軋輥 | 55~70 | 32~48 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鎳鉻冷硬鑄鐵軋輥 | 55~70 | 32~50 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鎳鉻鉬冷硬鑄鐵軋輥(I) | 60~75 | 35~2 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鎳鉻鉬冷硬鑄鐵軋輥(Ⅱ) | 60~80 | 40~55 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
鎳鉻鉬冷硬鑄鐵軋輥(Ⅲ) | 70~85 | 40~55 | ≤5 | >150 | 12~25 | 15~30 | 17~35 | 20~45 | | 8~45 |
普通冷硬球墨複合鑄鐵軋輥 | 55~70 | 32~48 | ≤5 | >280 | | | | | 8~35 | 8~45 |
鉬冷硬球墨複合鑄鐵軋輥 | 58~70 | 35~48 | ≤5 | >300 | | | | | 8~35 | 8~45 |
鉻鉬冷硬球墨複合鑄鐵軋輥 | 58~70 | 35~48 | ≤5 | >300 | | | | | 8~35 | 8~45 |
鉻鉬釩冷硬球墨複合鑄鐵軋輥 | 58~70 | 35~48 | ≤5 | >300 | | | | | 8~35 | 8~45 |
鉻鉬銅冷硬球墨複合鑄鐵軋輥 | 58~70 | 35~48 | ≤5 | >300 | | | | | 8~35 | 8~45 |
| 鉻鉬無窮冷硬鑄鐵軋輥 | 55~70 | 35~55 | ≤5 | >160 | | | | | | |
無 限 冷 硬 鑄 鐵 軋 輥 | 鎳鉻鉬無窮冷硬鑄鐵軋輥(I) | 55~72 | 35~55 | ≤5 | | >160 | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅱ) | 55~72 | 35~55 | ≤5 | >160 | | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅲ) | 60~75 | 35~55 | ≤5 | >160 | | | | | | |
鎳鉻鉬無窮冷硬鑄鐵軋輥(Ⅳ) | 65~85 | 35~55 | ≤5 | >160 | | | | | | |
球 墨 鑄 鐵 軋 輥 | 普通半冷硬球墨鑄鐵軋輥 | 35~50 | 30~45 | ≤8 | >300 | | | | | | |
低鉻半冷硬球墨鑄鐵軋輥 | 40~55 | 32~45 | ≤8 | >300 | | | | | | |
鉻鉬半冷硬球墨鑄鐵軋輥 | 40~55 | 32~45 | ≤8 | >300 | | | | | | |
低鉻鉬釩鈦半冷硬球墨鑄鐵軋輥 | 40~55 | 32~45 | ≤8 | >300 | | | | | | |
鉻鉬銅半冷硬球墨鑄鐵軋輥 | 40~55 | 32~45 | ≤8 | >300 | | | | | | |
鉻鉬無窮冷硬球墨鑄鐵軋輥 | 55~70 | 35~55 | ≤5 | >300 | | | | | | |
鉻鉬銅無窮冷硬球墨鑄鐵軋輥 | 55~70 | 35~55 | ≤5 | >300 | | | | | | |
球 墨 鑄 鐵 軋 輥 | 低鉻無窮冷硬球墨鑄鐵軋輥 | 50~65 | 32~55 | ≤5 | >300 | | | | | | |
低鉻鉬釩鈦無窮冷硬球墨鑄鐵軋輥 | 55~80 | 32~55 | ≤5 | >300 | | | | | | |
鎳鉻鉬無窮冷硬球墨鑄鐵軋輥(I) | 48~70 | 35~55 | ≤5 | >320 | | | | | | |
鎳鉻鉬無窮冷硬球墨鑄鐵軋輥(Ⅱ) | 鎬~70 | 35~55 | ≤5 | >320 | | | | | | |
| 鎳鉬球墨鑄鐵軋輥(I) | 42~48 | 32~43 | ≤5 | >400 | | | | | | |
鎳鉬球墨鑄鐵軋輥(Ⅱ) | 55~75 | 35~55 | ≤5 | >400 | | | | | | |
鎳鉬球墨鑄鐵軋輥(Ⅲ) | 60~80 | 35~55 | ≤5 | >400 | | | | | | |
高鉻鑄鐵軋輥 | 高鉻鑄鐵軋輥 | 55~95 | 40~55 | ≤5 | >400 | | | | | | |
複合軋輥芯部 灰鑄件球墨鑄件 | | 32~48 35~48 | | >160 >300 | | | | | | |
註:輥身兩端同一截面上白口層最深最淺之差不得大於l0mm,但當輥身的長度與直徑之比大於2.5時,白口層之差不得大於20mm。(3)加工尺寸答應偏差見表2-62。表2_62鑄鐵軋輥的加工尺寸答應偏差 軋輥部位 | 直 徑 | 長度/mm | 表面粗糙度/μm |
輥身 | + 0.8%-0.5% | ±l | 12.5 |
輥頸 | 士O.3mm | 土2 | 3.2 |
梅花頭 | ±1mm | ±l | |
梅花頭銑槽 | R±2mm | | |
註:軋輥加工應按供需雙方認可的圖樣製造,未註明的加工尺寸答應偏差應符合表中規定,如有特殊要求的軋輥,可由供需雙方另定。(4)外層厚度見表2—63。表2-63離心鑄造軋輥的外層(工作層)厚度 軋輥名稱 | 外層(工作層)厚度/mm |
型 鋼 | 板 鋼 |
¢200~300mm | ≥≯300mm |
冷硬鑄鐵軋輥 | 20~40 | 20~50 | ≥25 |
無窮冷硬鑄鐵軋輥 | 20~40 | 20~50 | ≥25 |
球墨鑄鐵軋輥 | 20~40 | 40~60 | ≥25 |
高鉻鑄鐵軋輥 | | | ≥25 |
註:球墨鑄鐵軋輥應保證球狀石墨加團絮狀(包括蠕蟲狀)石墨之和大於石墨總量的80%。