本规范涵盖的各种类型的螺栓为: 1.1.1 0 型 - 由低碳或中碳钢制成的镀锌螺栓。 1.1.2 类型1——中碳钢镀锌螺栓,经淬火和回火处理。 1.1.3 类型 2 - 镀锌螺栓,由通常所说的低碳马氏体钢制成,经过淬火和回火。 1.1.4 类型 3 - 裸露(无涂层)、淬火和回火螺栓,由钢制成,具有与规范 A242/A242M、A588...
A. 螺纹应力截面积计算公式:AS = 0.7854 [ D -(0.9743/N)]2,D=公称直径,N=每英寸螺纹牙数。 B. Based on 74 000 psi unit tensile strength. C. Based on 120 000 psi unit tensile strength. 螺栓太短,无法进行全尺寸测试或由于其他原因未进行拉力测试,应符合以下硬度: Type 0 —— Rockwell B:80...
Supplier Homepage Products Bolts & Rods Others Bolts & Rods ASTM A394 Type 0 Type 1 Hot DIP Galvanized Steel Knurled Round Head Tower Bolt Step Bolt for Electrical Transmission Tower Related Categories Flat Head Wood Screw ...
Step Bolt/ ASTM A394 Type 0 Type 1 Tower Bolt A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. A hex cap screw is a cap screw with a hexagonal head, designed to be driv...
内容提示: Designation: A394 − 08 (Reapproved 2015)Standard Specif i cation forSteel Transmission Tower Bolts, Zinc-Coated and Bare 1This standard is issued under the f i xed designation A394; the number immediately following the designation indicates the year oforiginal adoption or, in the ...
M4-M64 All Sizes ASTM A394 Type 0/ Type 1 Tower Bolts US$0.01-0.20 1,000 Pieces (MOQ) Product Details Customization: Available Material: Carbon Steel Type: Hexagon Head Start Order Request Contact Supplier Chat Shipping & Policy Shipping Cost: Contact the sup...
ASTM A394-04由美国材料与试验协会 US-ASTM 发布于 2004。 ASTM A394-04 在中国标准分类中归属于: J13 紧固件。 ASTM A394-04 镀锌或裸露的钢制传动塔螺栓的标准规范的最新版本是哪一版? 1.1 本规范涵盖了公称螺纹直径为 1/2、5/8、3/4、7/8 和 1 英寸的六角头和方头镀锌钢螺栓以及耐大气腐蚀螺栓...
Step Bolt/ ASTM A394 Type 0 Type 1 Tower Bolt A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. A hex cap screw is a cap screw with a hexagonal head, designed to be driven by a wr...
Last previous edition A 394 – 93.and Type 2 bolts are zinc-coated Type 1 hardened-steel washers that are in accordance with Speci?cation F 436. Suitable washers for use with Type 3 bolts are Type 3 hardened-steel washers that are in accordance with Speci?cation F 436....
astm a394 钢输电塔镀锌螺栓和裸螺栓规格 说明:astm是美国材料与试验协会(American Society for Testing and Materials,ASTM)标准。astm