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National Standard(GB) And Industrial Standard(JB、SH、HG、H) Bolts And Studs
Alloyed Stell And Non-corrosive Steel Bolt Material For High Temperature Conditions(A193、A453、A540)
US Standard(ASME/ANSI) Unified Thread And German Standard(DIN) Bolts Studs And Nuts
Alloyed Stell Bolt Material For Low Temperature Conditions (A320)
Carbon Stell And Alloyed Steel Bolt Material For Normal Temperature Conditions(A307、A325、A354、A490)
Carbon Stell And Alloyed Steel Nut Material For Normal Temperature Conditions(A563)
Assorted Carbon Steel And Alloyed Steel Nut Material For High Temperature And Pressure Bolts(A194)
National Standard(GB) And Industrial Standard(JB、SH、HG、H) Nuts
National Standard(GB) And Industrial Standard(JB、SH、HG、H) Bolts And Studs >> National Standard(GB) And Industrial Standard(JB、SH、HG、H) Bolts And Studs  

    

、、、、、 尺寸执行标准

Executive Size Standard

产品标准系列

Product Standard

机械性能等级标准

Mechanical Character standard

表面处理方式选择

Surface Treatment Options

GB897  GB898

GB899  GB900

双头螺柱 Binder Stud

GB901  H16  JB2773  JB4707

等长双头螺柱

Equilong Double End Stud

GB/T13807.2

腰状杆双头螺柱

Waisted Stud Double End Stud

JB2774  H15

拧入式双头螺柱

Screw-in Double End Stud

GB5780  GB5782

六角头半牙螺栓

Hex Head Half Pitch Bolt

GB27

六角头全牙螺栓

Hex Head Full Pitch Bolt

GB27

六角头铰制孔用螺 栓

Hex Split Pin Hole Fit Bolt

GB1228

钢结构大六角头螺 栓

Large Hex Head Bolt For Steel Structures

GB799  HG21545

地脚螺栓

Anchor Bolt

JB/ZQ4321  HGJ524

U型螺栓管夹

U-Bolt Pipe Clip

GB

4.8     5.6  6.8  8.8  10.9

12.9GB3098.1.

碳钢  合金钢材料 

Carbon SteelAlloyed Steel

1、   发黑

 Black Finish

2、磷化

 Parkering

3、电镀锌

 Electro Galvanizing

4、热浸镀锌

 Hot-dip Galvanizing

5、电镀镉

 Electric Cadmium Plating

6、达克罗(烘覆型 锌铬酸盐皮膜)处理

 Dacromet Treatment

A2-50   A2-70

A4-50   A4-80GB3098.6

不锈钢  耐热钢材料

Non-CorrosiveHeat-Resistant Steel

H

H3标准规定

Follow H3 Standards

JB

JB2773 JB2774  JB4707标准规定

Follow JB2773 JB2774  JB4707 Standards

HG

专用级:按 HG20613 HG20634

Special Use LevelFollow H G20613 HG20634

商品级:按 4.8  5.6级或8.8

Commodoty LevelFollow 4.8 5.6 or 8.8 Level

碳钢  合金钢材料 

Carbon SteelAlloyed Steel

A2-50A2-70(不锈钢材料)

Follow A 2-50A2-70Non-Corrosive Steel

SH

SH3404标准规定

Follow SH3404 Standards

螺纹精度 Thread Accuracy

6g级(GB196GB197)或按合同 6gLevelGB196GB197 or follow contract

螺纹直径范围 Thread Diamter Range

M8~M1505/16″~6″

材料类别与标准 Material Type And Standard

碳钢(GB699)、合金钢( GB3077)、不锈钢( GB1220)、耐热钢( GB1221

Catbon SteelGB699)、Alloyed SteelGB3077)、Non-Corrosive SteelGB1220)、Heat-resistant SteelGB1221

材料选用参考 Material Reference

碳钢:35#Q235Q275  Catbon Steel35#Q235Q275

合金钢 Alloyed Steel16Mn20MnTiB40Cr35CrMoA42CrMo25Cr2MoVA40CrNiMo

不锈钢 Non-corrosive Steel:0Cr18Ni91Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr132Cr130Cr17Ni4Cu4Nb0Cr17Ni14Mo21Cr17Ni2

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