ASTM A 453 660 (UNS S66286 A638 660 1.4980)板材,带材,线材,棒材,丝材
ASTM A 453 660 (UNS S66286 A638 660 1.4980)板材,带材,线材,棒材,丝材 | |||||||||||||
A453 GR660 是高温耐热钢,国内钢材是GH2132,是沉淀强化的镍基高温高强合金。在650℃以下具有较高的屈服强度和持久、蠕变强度,并且具有较好的加工塑性和满意的焊接性能。适合制造在650℃以下长期工作的航空发动机高温承力部件等。 | |||||||||||||
ASTM A 453 660 UNS S66286 A638 660 1.4980 化学成份 | |||||||||||||
ELEMENT % | |||||||||||||
GRADE & CLASS | C max | Mn max | P max | S max | Si max | Ni | Cr | Mo | Ti | Al max | V | B | Fe |
GR. 660 CL. A/B/C/D | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 24.0-27.0 | 13.5-16.0 | 1.00-1.50 | 1.90-2.35 | 0.35 | 0.10-0.50 | 0.001-0.010 | - |
A286 UNS S66286 W. Nr. 1.4980 | 0.08 | 2.00 | - | 0.030 | 1.00 | 24.0-27.0 | 13.5-16.0 | 1.00-1.50 | 1.90-2.35 | 0.35 | 0.10-0.50 | 0.001-0.010 | 余量 |
ASTM A 453 660 UNS S66286 A638 660 1.4980 物理性能 | |||||||||||||
GRADE | 密度 | 熔点 | |||||||||||
g/cm3 | lb/in3 | °C | °F | ||||||||||
A286 UNS S66286 W. Nr. 1.4980 | 7.94 | 0.287 | 1370-1430 | 2500-2600 | |||||||||
ASTM A 453 660 UNS S66286 A638 660 1.4980热处理要求 | |||||||||||||
GRADE | CLASS | 固溶 | 硬化处理 | ||||||||||
GR. 660 | A | 1650 ± 25 ℉ [900 ± 14 ℃], 保持最少2小时,液淬 | 1325 ± 25 ℉ [720 ± 14 ℃],16小时,空冷 | ||||||||||
B | 1800 ± 25 ℉ [980 ± 14 ℃], 保持最少1小时,液淬 | 1325 ± 25 ℉ [720 ± 14 ℃], 16小时,空冷 | |||||||||||
C | 1800 ± 25 ℉ [980 ± 14 ℃], 保持最少1小时,油淬 | 1425 ± 25 ℉ [775 ± 14 ℃], 16小时,空冷,然后再 1200 ± 25 ℉ [650 ± 14 ℃], 16小时,空冷 | |||||||||||
D | 1650 ± 25 ℉ [900 ± 14 ℃], 保持最少1小时,液淬 1800 ± 25 ℉ [980 ± 14 ℃], 保持最少1小时,液淬 | 1325 ± 25 ℉ [720 ± 14 ℃], 16小时,空冷,然后再 1200 ± 25 ℉ [650 ± 14 ℃], 16小时,空冷 如果必要 ,二次时效i 1200 ± 25 ℉ [650 ± 14 ℃],16小时,空冷 | |||||||||||
A286 UNS S66286 W. Nr. 1.4980 | Solution treatment at 1800°F (980°C) plus age hardening at 1325°F (720°C)/16h and air cooling. / Solution treat at 1800°F (982°C) for 1 hr, rapid cool, age at 1325°F (718°C) for 16 hrs, air cool. | ||||||||||||
ASTM A 453 660 UNS S66286 A638 660 1.4980 机械性能 | |||||||||||||
GRADE | CLASS | 抗拉强度 最小 | 屈服强度 (0.2% Offset) | 延伸率in 4×Diam, 最小, % | 收缩率 最小,% | 布氏硬度 | 洛氏硬度, B and C | ||||||
ksi | MPa | ksi | MPa | min | max | ||||||||
GR. 660 | A, B, and C | 130 | 895 | 85 | 585 | 15 | 18 | 248-341 | 24 HRC | 37 HRC | |||
GR. 660 | D | 130 | 895 | 105 | 725 | 15 | 18 | 248-321 | 24 HRC | 35 HRC | |||
ASTM A 453 660 UNS S66286 A638 660 1.4980 应力破坏要求 | |||||||||||||
GRADE | CLASS | 测试温度 | 最小应力 | 时间 | 延伸率 | ||||||||
℉ | ℃ | ksi | MPa | 最少,小时 | min, % | ||||||||
660 | A/B/C | 1200 | 650 | 56 | 385 | 100 | 5 | ||||||
A286 | 1200 | 649 | 61 | 421 | 100 | 5 | |||||||
ASTM A 453 660 UNS S66286 A638 660 1.4980 规范 | |||||||||||||
棒材,线材,锻件 | ASTM A 638, ASME SA 638, SAE AMS 5726, SAE AMS 5731, SAE AMS 5732, SAE AMS 5734, SAE AMS 5737, SAE AMS 5895, BS HR 51, BS HR 52, AECMA PrEn2171, AECMA PrEN2119, AECMA PrEN2172, AECMA PrEN2173, AECMA PrEN2174, AECMA PrEN2303, AECMA PrEN2304, AECMA PrEN2398, AECMA PrEN2399, AECMA PrEN3510 | ||||||||||||
板材,带材 | SAE AMS 5525, SAE AMS 5858, AECMA PrEN2175, AECMA PrEN2417 | ||||||||||||
管子 | SAE AMS 5731, SAE AMS 5732, SAE AMS 5734, SAE AMS 5737, SAE AMS 5895 | ||||||||||||
其他 | ASTM A 453, SAE AMS 7235, BS HR 650, ASME SA 453 | ||||||||||||
ASTM A 453 660 UNS S66286 A638 660 1.4980 应用 | |||||||||||||
用于飞机和工业燃气轮机,也用于汽车发动机和多种部件的紧固件应用,在高热量和高压力下,以及在海上石油和天然气工业 |