We mainly supply ASTM A453 Gr. 660A, 660B, 660C, 660D stud bolts and nuts.
Produk kami telah banyak digunakan dalam kejuruteraan minyak & gas, kejuruteraan petro-kimia, stesen janakuasa, kejuruteraan luar pesisir, kejuruteraan nuklear, jentera berat, gedung pencakar langit dan lain-lain
Gred | Kelas | Hartanah Mekanikal | ||||||||
Tegangan | Yield Strength, | Pemanjangan | Pengurangan | Brinell Hardness | Approximate Rockwell Hardness, | |||||
Kekuatan, | min, 0.2 % | in 4D, | of Area, | Number | B and C | |||||
min | offset, | min, % | min, % | |||||||
Ksi | MPa | Ksi | MPa | min | maks | |||||
ASTM A453 | A,B,C | 130 | 895 | 85 | 585 | 15 | 18 | 248-341 | 24 HRC | 37 HRC |
660 | D | 105 | 725 | 248-321 | 35 HRC | |||||
ASTM A453 | A | 100 | 690 | 70A | 485 | 18 | 35 | 217-277 | 95 HRB | 29 HRC |
651 | 60B | 415 | ||||||||
B | 95 | 655 | 60A | 415 | 18 | 35 | 212-269 | 93HRB | 28 HRCC | |
50B | 345 | |||||||||
ASTM A453 | A | 130 | 895 | 85 | 585 | 15 | 18 | 248-231 | 24 HRC | 35 HRCC |
662 | B | 125 | 860 | 80 | 550 | |||||
ASTM A453 | A | 170 | 1170 | 120 | 830 | 12 | 15 | 311-388 | 32 HRC | 41 HRC |
665 | B | 155 | 1070 | |||||||
ASTM A453 | A,B | 130 | 895 | 85 | 858 | 15 | 18 | 248-341 | 24 HRC | 37 HRC |
668 |
A. Material sizes 3 in. [76 mm] and under in diameter.
B. Material sizes over 3 in. [76 mm] in diameter.
C.Conversion numbers taken from Specification A193/A193M, Table number 2 (austenitic steels); others by interpolation