
| 化肥設備用無縫管 | ||
| 規格 | 規格 | 規格 | 
| 25×6 | 83×10-12-14-16-18-20 | 203×32-36-40 | 
| 28×6 | 89×8-10-12-14-16-18-20 | 219×6-8-12-16-18-20-25 | 
| 32×6-8 | 95×6-8-10-12-14-16-20 | 219×30-40 | 
| 34×6-8 | 102×6-7-8-10-12-14-16-20  | 245×8-10-14-17-20-22 | 
| 36×6-8 | 108×6-7-8-10-12-14-18-20-22 | 245×25-28-30-34-40 | 
| 38×6-7-8-9-10 | 114×6-7-8-10-12-14-18-20 | 273×7-9-12-15-18-20-25 | 
| 39×8-10 | 121×6-7-8-10-12-14-16-20 | 273×30-35-38-40 | 
| 42×6-7-8-9-10 | 127×-6-7-8-10-12-14-16-20 | 299×8-12-16-20-24-28 | 
| 45×6-7-8-9 | 133×6-8-12-14-16-18-20-25-30      | 299×30-32-36-38-40 | 
| 48×6-7-8-9-10 | 140×6-7-8-9-10-12-14-16-20-22 | 325×8-12-14-18-38 | 
| 51×6-7-8-9-10 | 146×6-8-12-14-16-18-20-25-30 | 325×28-32-34-38 | 
| 56×6-7-8-9-10 | 152×6-8-12-14-16-18-20-25-30 | 351×10-16-20-25-40 | 
| 57×6-7-8-9-10-12 | 159×6-10-12-14 | 355×6-18-20-25-30-40 | 
| 60×6-7-8-9-12-14 | 159×16-18-20-22-25-30 | 377×8-12-15-20-24-28 | 
| 63×6-7-8-9-10-12-14 | 168×8-10-12-14-20-25-30-35 | 377×30-37-40 | 
| 68×6-7-8-9-10-12-14-16 | 180×8-12-16-25-30 | 402×10-15-20-25-30-35 | 
| 70×6-7-8-9-10-12-15-16 | 180×32-34-38-40 | 406×10-20-25-28-35-40 | 
| 73×6-7-8-9-10-12-15 | 194×6-8-12-16-20-25-30-40 | 426×10-12-14-16-20-25-30-35-40 | 
| 76×6-7-8-9-10-12-14 | 203×6-7-10-15-20-25-30 | |
| 生產標準 | GB/T14976-2002 ASTMA312/A312M | GB/T14975-2002 JIS G3463 | GB13296-91 DIN2462 | 
| 生產規格材質 304(0Cr18Ni9) 304L (00Cr19Ni10) 321 (1Cr18Ni10Ti) 316 (0Cr17Ni12Mo2) 316L (00Cr17Ni14Mo2) 310S (0Cr25Ni20) 309S (0Cr23Ni13) | 6×1-2  | 32×3-10  | 114×5-20  | 
| 8×1-2  | 34×3-10  | 133×5-20  | |
| 10×1-3  | 45×3-12  | 159×5-25  | |
| 12×1-3  | 45×3-12  | 168×5-25  | |
| 14×2-4  | 48×3-12  | 219×5-30  | |
| 16×2-4  | 51×3-12  | 273×6-30  | |
| 18×2-4  | 57×3-15  | 325×8-30  | |
| 20×2-5  | 60×3-15  | 325×8-30  | |
| 22×2-6  | 64×3-15  | 377×8-30  | |
| 25×2-6  | 76×3-18  | 426×10-30  | |
| 27×3-6  | 89×4-20  | 480×12-30  | |
| 28×3-6  | 108×4-25  | 530×12-30  | 
| 標準 | 牌號 | 抗拉強度(MPa) | 屈服強度(MPa) | 伸長率(%) | 沖擊功Akv(J) | 
| Q/BQB 250 | 37Mn | ≥750 | ≥630 | ≥16 | ≥55 | 
| Q/BQB 250 | 34CrMo4 | ≥980 | ≥835 | ≥12 | ≥63 | 
| 標準 | 牌號 | 化學成分(%) | |||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | ||
| Q/BQB 250 | 37Mn | 0.34-0.40 | 0.10-0.30 | 1.35-1.65 | ≤0.025 | ≤0.020 | — | ≤0.30 | ≤0.20 | — | — | 
| Q/BQB 250 | 34CrMo4 | 0.30-0.37 | 0.15-0.35 | 0.50-0.80 | ≤0.025 | ≤0.020 | 0.90-1.20 | ≤0.30 | ≤0.20 | 0.15-0.25 | — | 
| 標準 | 牌號 | 熱處理制度 | ||||
| 種類 | 淬火(正火)溫度℃ | 冷卻方式 | 回火溫度℃ | 冷卻方式 | ||
| Q/BQB 250 | 37Mn | 調質 | 840±10 | 油冷 | 600±10 | 空冷 | 
| Q/BQB 250 | 34CrMo4 | 調質 | 850±10 | 油冷 | 580±10 | 油冷 |