鎳基耐腐蝕合金材料的化學成分和性能用途
鎳基耐蝕合金無縫鋼管
Nickle based corrision alloy seamless tube
· 用途：應用于化學和石化行業以及海洋開發制造加熱器、換熱器、蒸發器、冷凝器以及輸送管線等。
· Usage: widely used in manufacturing of petrochemical industry and ocean exploitation such as heater, heat exchanger, evaporator, condensator and line of pipe, etc.
· 訂貨標準 standard：ASME SB163/ASME SB167/ASME SB407/ASME SB444/ASME SB622/ ASME SB423/ASME SB829 企業標準、技術協議
· 可供規格size：熱擠壓管 hot extrusion tube：外徑OD：48-325mm；壁厚WT：4-40mm
冷加工管cold rolling tube：外徑OD：5.8-273mm；壁厚WT：0.3-35mm
· 交貨狀態condition：熱加壓hot extrusion；冷加工cold rolling；熱處理heat treatment
主要鋼種（牌號）的化學成分和性能chemical composition and performance of main steel grade(trademark)
寶鋼牌號 baosteel | ASTM UNS | 化學成分chemical composition | ||||||||||
C | Ni | Cr | Mo | Cu | Fe | Si | Mn | S | P | 其他others | ||
W% | ||||||||||||
BT200 | N02200 | ≤0.15 | ≥99.0 | / | / | ≤0.25 | ≤0.40 | ≤0.35 | ≤0.35 | ≤0.010 | ≤0.03 | / |
BT201 | N02201 | ≤0.02 | ≥99.0 | / | / | ≤0.25 | ≤0.40 | ≤0.35 | ≤0.35 | ≤0.010 | ≤0.03 | / |
BT400 | N04400 | ≤0.30 | ≥63 | / | / | 28/34 | ≤2.5 | ≤0.5 | ≤2.0 | ≤0.020 | ≤0.03 | / |
BT800 | N08800 | ≤0.100 | 30.0/ 35.0 | 19.0/ 23.0 | / | ≤0.75 | ≥39.5 | ≤1.0 | ≤1.5 | ≤0.015 | ≤0.02 | Al:0.15/0.60 Ti:0.15/0.60 |
BT800H | N08810 | 0.05/ 0.10 | 30.0/ 35.0 | 19.0/ 23.0 | / | ≤0.75 | ≥39.5 | ≤1.0 | ≤1.5 | ≤0.015 | ≤0.02 | Al:0.15/0.60 Ti:0.15/0.60 Al+Ti≤0.70 |
BT800HT | N08811 | 0.06/ 0.10 | 30.0/ 35.0 | 19.0/ 23.0 | / | ≤0.75 | ≥39.5 | ≤1.0 | ≤1.5 | ≤0.015 | ≤0.02 | Al:0.15/0.60 Ti:0.15/0.60 Al+Ti≤0.85/1.2 |
BT600 | N06600 | ≤0.150 | ≥72.0 | 14.0/ 17.0 | / | ≤0.50 | 6.0/ 10.0 | ≤0.5 | ≤1.0 | ≤0.015 | ≤0.03 | / |
BT690 | N06690 | ≤0.05 | ≥58.0 | 27.0/ 31.0 | / | ≤0.50 | 7.0/ 11.0 | ≤0.5 | ≤0.5 | ≤0.015 | ≤0.03 | / |
BG2830 | N08028 | ≤0.03 | 29.5/ 32.5 | 26.0/ 28.0 | 3.0/ 4.0 | 0.6/ 1.4 | 余 | ≤1.0 | ≤2.5 | ≤0.03 | ≤0.03 | |
BG2250 | N06985 | ≤0.015 | 余 | 21.0/ 23.5 | 6.0/ 8.0 | 1.5/ 2.5 | 18.0/ 21.0 | ≤1.0 | ≤1.0 | ≤0.030 | ≤0.03 | W≤1.5 Co≤5.0 Nb+Ta≤0.5 |
BT825 | N08825 | ≤0.050 | 38.0/ 46.0 | 19.5/ 23.5 | 2.50/ 3.50 | 1.5/ 3.0 | ≥22.0 | ≤0.5 | ≤0.5 | ≤0.03 | ≤0.04 | Al≤0.20 Ti≤0.6/1.2 |
BT625 | N06625 | ≤0.100 | ≥58.0 | 20.0/ 23.0 | 8.00/ 10.0 | / | ≤5.0 | ≤0.5 | ≤0.08 | ≤0.015 | ≤0.015 | Al≤0.40 Ti≤0.40 Nb+Ta:3.15/4.15 |
BTC276 | N10276 | ≤0.010 | 余 | 14.5/ 16.5 | 15.0/ 17.0 | / | 4.0/ 7.0 | ≤0.08 | ≤0.08 | ≤0.03 | ≤0.04 | W:3.0/4.5 Co≤2.5 V≤0.35 |
牌號對照 grade parallel table
寶鋼牌號 baosteel | 美國 ASTM | 國家牌號 GB | 德國DIN | 日本JIS |
BT200 | N02200 | |||
BT201 | N02201 | 2.4068 | NW2201 | |
BT400 | N04400 | - | 1.1743 | NW4400 |
BT800 | N08800 | NS1101 | 1.4876 | NCF800 |
BT800H | N08810 | NS1102 | 1.4876 | NCF800H |
BT800HT | N08811 | - | 1.4876 | - |
BT600 | N06600 | NS3102 | 2.4816 | NCF600 |
BT690 | N06690 | NS3105 | 2.4624 | NCF690 |
BG2830 | N08028 | - | - | - |
BG2250 | N06985 | - | - | - |
BT825 | N08825 | NS1402 | 2.4858 | NCF825 |
BT625 | N06625 | NS3306 | 2.4856 | NCF625 |
BTC276 | N10276 | NS3304 | 2.4819 | NW0276 |
室溫力學性能room-temperature mechanical property
寶鋼牌號baosteel | 狀態 condition | 抗拉強度 Rm,min,MPa | 屈服強度 Rp0.2%,min,MPa | 延伸率 A50,min,% | |
BT200 | solution | 379 | 103 | 40 | |
BT201 | solution | 345 | 83 | 40 | |
BT400 | OD≥127mm | annealing | 480 | 195 | 35 |
OD<127mm | annealing | 480 | 170 | 35 | |
BT800 | solution | 520 | 205 | 30 | |
BT800H | solution | 450 | 170 | 30 | |
BT800HT | solution | 450 | 170 | 30 | |
BT600 | OD≥127mm | solution | 550 | 205 | 35 |
OD<127mm | solution | 550 | 240 | 30 | |
BT690 | solution | 586 | 241 | 30 | |
BT028 | solution | 500 | 214 | 40 | |
BTG3 | solution | 621 | 214 | 40 | |
BT825 | solution | 586 | 241 | 30 | |
BT625 | annealing | 827 | 414 | 30 | |
solution | 276 | 690 | 30 | ||
BTC276 | solution | 283 | 690 | 40 | |
備注：BT800H,BT800HT晶粒度5級或更粗
高溫力學性能high temperature mechanical property
寶鋼牌號 baosteel | 機械性能 Mechanical property | 狀態 condition | 溫度 temperature℃ | |||||
350 | 450 | 550 | 650 | 750 | 850 | |||
BT800H | Rm,MPa | 固溶 solution | 485 | 490 | 480 | 420 | 270 | 149 |
Rp0.2,MPa | 162 | 165 | 169 | 155 | 125 | 95 | ||
A4.52,% | 52.5 | 56.0 | 52.5 | 50.0 | 69.5 | 101.5 | ||
BT825 | Rm,MPa | 固溶 solution | 560 | 550 | 527 | 485 | 345 | 197 |
Rp0.2,MPa | 205 | 195 | 191 | 169 | 170 | 176 | ||
A4.52,% | 47.5 | 51.5 | 49.0 | 52.5 | 64.0 | 92.0 | ||
BT625 | Rm,MPa | 固溶 solution | - | - | - | 610 | 480 | 345 |
Rp0.2,MPa | - | - | - | 210 | 225 | 215 | ||
A4.52,% | - | - | - | 96.5 | 114.0 | 117.0 | ||
物理性能physical property
寶鋼牌號 baosteel | 密度 density/g·cm3 | 熔點 Metaling rane/℃ | 膨脹系數 Coefficient of expansion μm/m/℃ | 導熱系數 Thermal conductivity W·(m·℃)-1 | 電阻率 Specific resistance μΩ·m | 彈性模具 Modulus of elasticity GPa | ||
100℃ | 300℃ | 25℃ | 300℃ | 20℃ | ||||
BT400 | 8.80 | 1300-1350 | 14.2 | 15.2 | 22.0 | 26.9 | 0.51 | 26.0 |
BT800 | 7.94 | 1357-1385 | 14.1 | 16.2 | 11.5 | 16.3 | 0.989 | 196.5 |
BT600 | 8.47 | 1354-1413 | 10.4 | 14.2 | 14.9 | 19.0 | 1.03 | 214.0 |
BT690 | 8.19 | 1343-1377 | 14.06 | 14.53 | 13.5 | 17.3 | 1.148 | 211.0 |
BG2830 | 8.0 | - | 15.0 | 15.9 | 11.4 | 15.3 | 0.99 | - |
BG2250 | 8.14 | 1260-1343 | 14.6 | 14.6 | 10.0 | 15.9 | 1.12 | 199.0 |
BT825 | 8.14 | 1370-1400 | 14.1 | 15.3 | 11.1 | 15.4 | 1.13 | 196 |
BT625 | 8.44 | 1290-1350 | - | - | 9.8 | 14.1 | 1.29 | 204.8 |
BTC276 | 8.89 | 1325-1370 | 12.2 | 12.9 | 11.2 | 14.7 | 1.22 | 205 |
晶間腐蝕性能intergranular corrosion resistance
按ASTM G28A法（硫酸鐵-硫酸法）測定的腐蝕速率
Intergranular corrosion resistance according to ASTM G28(ferric sulfate- sulfuric acid method)
鋼種 grade | 狀態 condition | 時間 (h) | 腐蝕速率 mm/a | 腐蝕深度 (μm) |
BT800 | 固溶 solution | 120 | 0.42 | - |
BT800H | 120 | 1.464 | - | |
BT600 | 120 | 0.96 | - | |
BT825 | 120 | 0.324 | ≤50 | |
BT625 | 120 | 0.535 | ≤50 |
按ASTM 262C法65%硫酸法測定的腐蝕速率
Intergranular corrosion resistance according to ASTM 262(65% HNO3)
鋼種 grade | 狀態 condition | 腐蝕速率corrosion rate(mm/a) | 平均腐蝕深度 corrosion rate(mm/a) | ||||
一 | 二 | 三 | 四 | 五 | |||
時間/48h | 時間/48h | 時間/48h | 時間/48h | 時間/48h | |||
BT600 | 固溶 solution | 0.288 | 0.30 | 0.324 | 0.432 | 0.528 | 0.371 |
BT800H | 0.204 | 0.12 | 0.168 | 0.252 | 1.02 | 0.348 | |
BT825 | 0.348 | 0.204 | 0.24 | 0.192 | 0.312 | 0.264 | |
BT625 | 0.556 | 0.454 | 0.489 | 0.466 | 0.471 | 0.489 | |
應用Application
氟化工用反應器BT600
多晶硅加熱器BT800H
石化空冷器BT825
