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Jiahui Fasteners has the knowledge and experience to quote and supply to your specific requirements, including custom items or unique applications.

Applications

One end of the stud can be embedded in the component and the other end is connected to the other part. It is generally used in the case where the connecting piece can not or can not be installed with the head bolt.

Basic parameters

●　Material: Carbon Steel Alloy Steel Stainless Steel

●　Specification:M6-M100(/3/8″-4″)

●　Length:15mm～6000mm

●　Grade:

●　Steel ISO898:5.6～12.9;ASTM A193：B6、B7、B16、B7M;ASTM A320：L7、L7M;SH3404、HG20613、HG20634、GB/T9125.

●　Stainless steel: ISO3506：A2(50～80)、A4(50～80)、ASTM A193/A320：B8(CL1A～CL2B)、B8M(CL1A～CL2B)、B8T(CL1A～ CL2B);ASTM A453;DIN267-T13

●　Surface: black, zinc plated, hot galvanized, dacromet, teflon,  electrophoresis process and so on

Parameters Table
Special fastener material grades, chemical composition, heat treatment system and the mechanical properties of products
Material Grade Chemical composition (standard number) Heat treatment system Mechanical properties (not less than) Hardness HB
Specification 　σb　 　σs　 　δ　
MPa %
35 GB/T 699 Quenched and tempered（Tempering ≥425℃） - - - - 234～285
45 - - - - 234～285
40Cr GB/T 3077 Quenched and tempered（Tempering≥425℃） M10～M39 835 735 13 269～321
≥M42 805 685 13 234～285
30CrMoA GB/T 3077 Quenched and tempered（Tempering≥550℃） - - - - 234～285
30CrMoAs GB/T 3077 Quenched and tempered（Tempering≥550℃） < M24 835 735 13 269～321
≥M24～M76 805 685 13 234～285
>M76 735 590 13 234～285
40CrMOA GB/T 3077 Quenched and tempered（Tempering≥600℃） ≤M64 860 725 16 269～321
>M64 800 655 16 269～321
25Cr2MoVA GB/T 3077 Quenched and tempered（Tempering≥550℃） ≤M48 835 735 15 269～321
>M48 805 685 15 245～277
06Cr19Ni10 GB/T 1220 Solid solution - 520 206 40 ≤187
06Cr17Ni12Mo2 GB/T 1220 Solid solution - 520 206 40 ≤187
35CrMoA for -20 ℃ and below the low temperature, the design should be carried out at low temperature V-shaped notch impact test, the three samples of energy absorption (KV) should not be less than 27J.