hardened circular, clipped circular, and extra, inch washers
3
metric hardened steel washers
4
compressible-washer-type diredt tension indicators for use with structual fasteners，inch series
5
compressible-washer-type diredt tension indicators for use with structual fasteners，metric series
6
hexagon socket flat countersunk head cap
7
hardened circular, clipped circular, and extra-thick washers
8
hardened beveled washers
9
hardened steel circular and circular clipped washers (astm f436)
10
square hardened beveled washers
11
metric hardened steel washers
12
compressible-washer-type diredt tension indicators for use with structual fasteners
13
circular and clipped circular washers—hardened steel washers
14
hardened steel washers
15
metric hardened beveled washers
16
hex head plug for heat exchanger
17
[材料标准]
standard specification for alloy-steel and stainless steel bolting for low-temperature service a320 b8 class 1; s30400; 304; a320 b8 class 2; s30400; 304; a320 b8a class 1a; s30400; 304; a320 b8c class 1; s34700; 347; a320 b8c class 2; s34700; 347; a320 b8ca class 1a; s34700; 347; a320 b8f class 1; s30300; 303; a320 b8f class 2; s30300; 303; a320 b
18
[材料标准]
alloy-steel and stainless steel bolting for high temperature or high pressure service and other special purpose applications a193 b5; a193 b6; s41000; 410; a193 b6x; s41000; 410; a193 b7m; crmo; a193 b7; crmo; a193 b16; crmov; a193 b8 class 1; s30400; 304; a193 b8 class 1d; s30400; 304; a193 b8 class 2; s30400; 304; a193 b8a class 1a; s30400; 304; a193 b8c class 1; s34700; 347
19
[材料标准]
alloy-steel and stainless steel bolting for high temperature or high pressure service and other special purpose applications a193 b16; crmov; a193 b5; a193 b6; s41000; 410; a193 b7; crmo; a193 b8 class 1; s30400; 304; a193 b6x; s41000; 410; a193 b7m; crmo; a193 b8a class 1a; s30400; 304; a193 b8 class 1d; s30400; 304; a193 b8 class 2; s30400; 304; a193 b8 class 2b; s30400; 304
20
[材料标准]
alloy-steel and stainless steel bolting for low-temperature service a320 l7; a320 l7m; a320 l70; a320 l7a; a320 l71; a320 l72; a320 l7b; a320 l73; a320 l7c; a320 l43; a320 l1; a320 b8 class 1; s30400; 304; a320 b8 class 2; s30400; 304; a320 b8a class 1a; s30400; 304; a320 b8c class 1; s34700; 347; a320 b8c class 2; s34700
