Chonghong Industries Ltd.

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Standard and Non-Standard Nuts Customization Nut


Application

 

  We supply domestically manufactured hex nuts, lock nuts, square nuts, coupling nuts, cap nuts, and other nut types, with quality assured through our certified manufacturing processes and accredited A2LA quality laboratories.




Detail Information



Steel Materials

 

1. Turbine - Power Technology

•23-90-95 •1.4923

•Inconel* 718 •Nimonic* 80A •ASTM A453 660 •ST 460 TS •21CrMoV57 •24CrMo5 •25CrMo4

 

2. Pumps and Valves

•All grades of stainless steel •Monel*.....400, K500 •Inconel*.....600, 625, 718

•Hastelloy*....C276, C22, B3 •NES862 All components (Grade 1)

 

3. Wind Energy

•Alloy Steel 42CrMo4 •40Cr •C45 •40CrNiMo •B7

 

4. Medium-Speed Diesel Engines and Low-Speed Diesel Engines:

•Alloy Steel 42CrMo4 •40Cr •C45 •40CrNiMo •B7 •30CrMoV9 •34CrNiMo6 30CrNiMo8

 

5. Offshore and Floating Engineering

 •All grades of stainless steel  •Titanium....Gr2, Gr5,  •Monel alloys*.....400, K500

 •ASTM.....A453 60 •Inconel alloys*.....600, 625, 718

 •254 SMO....UNS S31254

 •Hastelloy*...C276, C22, B3 •Incoloy*....825

 •Aluminum Bronze

 •Silicon Bronze •Copper/Nickel, 90/10, 70/30

 

6. Turbines - Power Technology

•23-90-95 •1.4923

•Inconel* 718 •Nimonic* 80A •ASTM A453 660 •ST 460 TS •21CrMoV57 •24CrMo5 •25CrMo4

 

7. Petrochemical Bolts:

Alloy: B7, L7, B16, B7M, L7, L7M, L43, B16 A307B, A325 Type 1 and Type 3

Stainless Steel: B8, B8M

 

8. Heavy-Duty Bolts:

Alloy Steel (170 ksi/ 36-43Rc)

ASTM A193 B7, B16, and B8M

ASTM A437 B4B

ASTM A453 660 A&B

AISI 422 Stainless Steel

Inconel™ 718

Nimonic™ 80A

Durehete™ 900 (T22), 950 (T31), 1055 (T41)

Jethete™

 

9. Structural Fasteners

Alloy: ASTM A307, A325, A490

Stainless Steel: 304, 316, 316L, compliant with DIN 931 and DIN 931 B8, B8M standards

Surface Treatment: Electrogalvanized, Hot-dip galvanized, Chemically zinc-plated, Cadmium-plated, Nickel-plated


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