
20G高壓鍋爐管12*1-1.5-2.5 
20G高壓鍋爐管14*1.5-2.5-3   
20G高壓鍋爐管16*1.5-2.5-3
20G高壓鍋爐管18*2-3-4-5
20G高壓鍋爐管20*2-2.5-3-6 
20G高壓鍋爐管24*2.5-3-4-5-6
20G高壓鍋爐管25*2.5-3-4-5-6  
20G高壓鍋爐管28*3-3.5-4-5-6 
20G高壓鍋爐管32*3.5-4-5-6-8 
20G高壓鍋爐管34*3-4-5-6-8 
20G高壓鍋爐管38*3.5-5-6-8-10-12 
20G高壓鍋爐管Φ48-51*3.5-4-6-8-10-12
20G高壓鍋爐管Φ54-57*3.5-4-6-7-8-10-14
20G高壓鍋爐管Φ60-63*3.5-4-5-6-7-8-10-14
20G高壓鍋爐管Φ68-70*4-6-8-10-12-14-20
20G高壓鍋爐管Φ73-76*6-7-12-16-20
20G高壓鍋爐管Φ80-83*4.5-6-8-10-12-14-20
20G高壓鍋爐管Φ89-95*4.5-6-7-10-12-14-20
20G高壓鍋爐管Φ102-108*6-8-10-12-14-25
20G高壓鍋爐管Φ114-121*14-16-18-20-22-25
20G高壓鍋爐管Φ127-133*18-20-22-25-30-35
20G高壓鍋爐管Φ140-160*16-18-20-22-25-35
20G高壓鍋爐管Φ150-159*16-18-22-25-30-45
20G高壓鍋爐管Φ168-180*5-6-8-10-12-14-16
20G高壓鍋爐管Φ194-203*7-8-9-10-12-14-16
20G高壓鍋爐管Φ219-295*6-7-8-10-12-14
20G高壓鍋爐管Φ273-299*32-35-40-50-60-80
20G高壓鍋爐管Φ325-351*9-10-12-14-16-18
20G高壓鍋爐管Φ355-377*10-32-35-40-45-60-70
20G高壓鍋爐管Φ402-426*10-12-14-16-18-20-45
20G高壓鍋爐管Φ450-480*10-12-14-16-18-30-40-50
20G高壓鍋爐管Φ510-530*12-14-16-18-30-40-50
20G高壓鍋爐管Φ560-610*12-20-30-40-60
20G高壓鍋爐管Φ630-720*14-16-20-45-70-90
20G高壓鍋爐管Φ730-750*12-16-20-45-60
| 標準 | 牌號 | 抗拉強度(MPa) | 屈服強度(MPa) | 伸長率( % ) | 硬度 | 
| ASTM A192 ASME SA192 | A192 | ≥325 | ≥180 | ≥35 | ≤77HRB | 
| 布氏硬度 | 洛氏硬度 | 
| S≥5.1mm | S<5.1mm | 
| ≤137 HB | ≤77 HRB | 
| 標準 | 牌號 | 化學成分 |  | ||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V> | ||
| ASTM A192 ASME SA192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / | 
| 鋼管種類 | 外徑(D) | 壁厚(S) | ||
| 外徑尺寸(mm) | 允許偏差(mm) | 外徑尺寸(mm) | 允許偏差(mm) | |
| 熱軋管 | ≤101.6 | +0.4~-0.8 | 76~168.3 | +28%~0 | 
| >101.6~168.3 | +0.4~-1.2 | |||
| 冷拔管 | <25.4 | +0.10 | ≤38.1 | +20%~0 | 
| 25.4~38.1 | +0.15 | |||
| >38.1~<50.8 | +0.20 | >38.1 | +22%~0 | |
|  |  | |||