
雙頭螺柱
(等長)雙頭螺柱GB 897~901
腰狀桿螺柱連接副 螺柱GB/T 13807.2
PN16.0~32.0MPa(階段)雙頭螺柱JB/T 2773~2774
壓力容器(法蘭)用等長雙頭螺柱JB1164,JB/T 4707
管法蘭用螺柱SH 3404,HG 20613(歐系),HG 20634(美系),HGJ 75
(擰入或管道用)雙頭螺柱 H 15~16
火力發電廠高溫緊固件DL 439
詳細內容
執行標準 Standard | 螺紋規格 Normal diameter | 總長度(mm) Total length (mm) | 螺紋精度 Accuracy of thread | 材料 Material | 性能等級 Performance degree |
GB 897 | M6~M48 | 26~348 | 6g | 鋼或不銹鋼 Carbon and alloy steel or Stainless steel | 6.8, 8.8, 10.9, 12.9, A2-50, A2-70 |
GB 898 | 28~360 | ||||
GB 899 | 29~372 | ||||
GB 900 | 32~396 | ||||
GB 901 | M6~M56 | 25~500 | |||
GB/T 13807.2 | M12~M120×6 | 按合同According to order | GB/T 3103.4 | ||
JB/T 2773 | M14~M56 | 65~450 | 6g | 鋼 Carbon and alloy steel | 按標準規定 According to standard |
JB/T 2774 | 60~350 | ||||
JB 1164 | M16~M36 | 100~480 | 鋼或不銹鋼 Carbon and alloy steel or Stainless steel | ||
JB/T 4707 | |||||
SH 3404 | M10~M90×3 | 40~670 | |||
HG 20613 | M10~M56×4 | 45~500 | 專用級(按標準規定) Special class (According to standard) | ||
HG 20634 | M14~M90×3 | 60~500 | |||
HGJ 75 | M10~M45 | 40~500 | 按標準規定 According to standard | ||
H 15 | M14~M45 | 70~250 | 鋼 Carbon and alloy steel | ||
H 16 | 80~370 | ||||
DL 439 | 按電廠設計要求 According to the design requirement of power plant |