合金钢管主要用途是用于电厂，核电，高压锅炉，高温过热器和再热器等高压高温的管道上及设备上，它是采用优质碳素钢，合金结构钢和不锈耐热钢做材质，经热轧(挤、扩)或冷轧(拔)而成。
合金管的材质大致有：
16-50Mn、27SiMn、40Cr、12-42CrMo、16Mn、12Cr1MoV、T91、27SiMn、30CrMo15CrMo、20G、Cr9Mo、10CrMo910、15Mo3、15CrMoV、35CrMoV、45CrMo
15CrMoG、12CrMoVG、45Cr、50Cr、45CrNiMo等。
力学性能
编辑
| 标准 | 牌号 | 抗拉强度（MPa） | 屈服强度（MPa） | 伸长率（%） | 硬度 |
| GB3087 | 10 | 335～475 | ≥195 | ≥24 | / |
| 20 | 410～550 | ≥245 | ≥20 | / | |
| GB5310 | 20G | 410～550 | ≥245 | ≥24 | / |
| 20MnG | ≥415 | ≥240 | ≥22 | / | |
| 25MnG | ≥485 | ≥275 | ≥20 | / | |
| 15CrMoG | 440～640 | ≥235 | ≥21 | / | |
| 12Cr2MoG | 450～600 | ≥280 | ≥20 | / | |
| 12Cr1MoVG | 470～640 | ≥255 | ≥21 | / | |
| 12Cr2MoWVTiB | 540～735 | ≥345 | ≥18 | / | |
| 10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | / | |
| ASME SA210 | SA210A-1 | ≥415 | ≥255 | ≥30 | ≤143HB |
| SA210C | ≥485 | ≥275 | ≥30 | ≤179HB | |
| ASME SA213 | SA213 T11 | ≥415 | ≥205 | ≥30 | ≤163HB |
| SA213 T12 | ≥415 | ≥220 | ≥30 | ≤163HB | |
| SA213 T22 | ≥415 | ≥205 | ≥30 | ≤163HB | |
| SA213 T23 | ≥510 | ≥400 | ≥20 | ≤220HB | |
| SA213 T91 | ≥585 | ≥415 | ≥20 | ≤250HB | |
| SA213 T92 | ≥620 | ≥440 | ≥20 | ≤250HB | |
| DIN17175 | ST45.8/Ⅲ | 410～530 | ≥255 | ≥21 | / |
| 15Mo3 | 450～600 | ≥270 | ≥22 | ||
| 13CrMo44 | 440～590 | ≥290 | ≥22 | / | |
| 10CrMo910 | 480～630 | ≥280 | ≥20 | / |
现货规格表
编辑
| 合金钢管规格表 | ||
| 规格 | 规格 | 规格 |
| 10×2 | 95×4.5-6-8-10-12-14-16-20 | 325×28-32-34-38-42 |
| 12×2 | 102×4.5-5-6-7-8-10-12-14-16-20 | 351×10-16-20-25-40 |
| 14×2-2.5-3 | 108×4.5-5-6-7-8-10-12-14-18-20-22 | 355×6-18-20-25-30-40/52 |
| 16×2-2.5-4 | 114×4.5-5-6-7-8-10-12-14-18-20 | 377×8-12-15-20-24-28 |
| 18×2.3-4-5 | 121×4.5-5-6-7-8-10-12-14-16-20 | 377×30-37-40-45-50 |
| 20×2.5-3-5 | 127×4.5-5-6-7-8-10-12-14-16-20 | 402×10-15-20-25-30-35 |
| 24×2.5-3-4-5-6 | 133×4.5-6-8-12-14-16-18-20-25-30 | 406×10-20-25-28-35-40 |
| 25×2.5-3-4-5-6 | 140×5-6-7-8-9-10-12-14-16-20-22 | 426×10-12-14-16-20-25-30-35-40 |
| 28×3-3.5-4-5-6 | 146×4.5-6-8-12-14-16-18-20-25-30 | 450×10-12-14-16-20-25-34-40-50 |
| 32×3.5-4-5-6-8 | 152×4.5-6-8-12-14-16-18-20-25-30 | 480×10-12-14-16-18-20-25-30-40 |
| 34×4-5-6-8 | 159×4.5-6-10-12-14 | 500×10-12-14-16-20-25-34-40-50 |
| 36×3.5-5-6-8 | 159×16-18-20-22-25-30 | 510×10-12-14-16-20-25-34-40-50 |
| 38×4-5-6-7-8-9-10 | 168×8-10-12-14-20-25-30-35 | 530×10-12-14-16-18-20-30-40 |
| 39×3.5-5-8-10 | 180×8-12-16-25-30 | 560×10-14-16-20-25-30-40-50-60 |
| 42×3.5-4-5-6-7-8-9-10 | 180×32-34-38-40-45-50 | 580×10-14-16-20-30-40-50-70 |
| 45×3.5-4-5-6-7-8-9 | 194×6-8-12-16-20-25-30-40-45-50 | 600×10-14-18-25-20-30-50-60 |
| 48×3.5-4-5-6-7-8-9-10 | 203×6-7-10-15-20-25-30 | 610×10-14-18-25-20-30-50-60 |
| 51×3.5-4-5-6-7-8-9-10 | 203×32-36-40-45-50 | 620×14-20-30-35-45-50-60 |
| 56×3.5-4-5-6-7-8-9-10 | 219×6-8-12-16-18-20-25 | 630×10-20-30-40-55 |
| 57×3.5-5-6-7-8-9-10-12 | 219×30-40-45-50-55 | 640×12-25-32-40-50-65 |
| 60×3.5-4.5-5-6-7-8-9-12-14 | 219×55-58-60-65-70 | 650×15-20-30-40-50-60-65 |
| 63×3.5-4.5-5-6-7-8-9-10-12-14 | 245×8-10-14-17-20-22 | 680×20-25-35-45-65 |
| 68×4-4.5-5-6-7-8-9-10-12-14-16 | 245×25-28-30-34-40 | 710×10-20-30-45-50-65 |
| 70×4-4.5-5-6-7-8-9-10-12-15-16 | 273×7-9-12-15-18-20-25 | 720×10-20-30-45-50-65 |
| 73×4-4.5-5-6-7-8-9-10-12-15 | 273×30-35-38-40-45-50 | 750×20-35-45-60 |
| 76×4-4.5-5-6-7-8-9-10-12-14 | 299×8-12-16-20-24-28 | 780×45-65 |
| 83×4.5-5-10-12-14-16-18-20 | 299×30-32-36-38-40-45 | 820×12-20-35-50-65 |
| 89×4.5-8-10-12-14-16-18-20 | 325×8-12-14-18-38-42 | 830-710×25-35-43-65 |
