Maximum 1,000N/㎟! "SUS304CUN" high-strength bolts and nuts
Innovation in the Screw Industry: The world's first pure domestic A2-90/100 high-strength stainless steel bolts, nuts, and washers.
┏━━━━━━━━━━━━━━━━━━━━━━━━━━ ■ A2-90/100 High Strength Bolts/Nuts □ HV300 High Strength Washers ┗━━━━━━━━━━━━━━━━━━━━━━━━━━ This is a domestically produced high-strength stainless steel fastener made from the next-generation stainless steel "SUS304CUN" developed by Daido Steel Co., Ltd. It is a product designed to meet the demand for bolts that are not only strong but also resistant to rust and magnetism... We also offer washers made from NSSC's "SUS304N2," which can withstand an input of 1,000N/mm². We promise stable supply!! ★ We also accept various technical consultations! It will be smoother if you mention "I saw it on Ipros." ━…━…━…━…━…━…━…━…━…━…━…━…━…━…━ Yura Sansho Co., Ltd. Special Sales Department, Special Sales Section TEL: 06-6532-1331 / Email: tokuhan@yura-sansyo.co.jp ━…━…━…━…━…━…━…━…━…━…━…━…━…━…━ If you would like materials, please request them through the inquiry form. ↓ ↓ ↓
basic information
This product, which achieves a tensile strength of 1,000 N/mm² with austenitic stainless steel, is truly "an innovation in Japan's screw industry." ■ Seven Features 1) High Strength → Tensile strength of 900–1,000 N/mm² 2) Untreated → Strength improvement achieved solely through cold forming 3) High Heat Resistance → No carbon precipitation occurs even at 500–700°C (recommended 500°C) 4) High Corrosion Resistance → Stress corrosion cracking properties comparable to SUS316L 5) Non-Magnetic → Permeability ranges from 1.01μ to 1.03μ 6) Lightweight → Lightweight and compact design made possible by high strength (yield) characteristics 7) Domestic Product → Immediate delivery / mass production / custom orders available We also accept production of non-catalog products in minimum lots! ■ Dimensions and Stock Range Please download the catalog to view. ★ We also welcome various technical consultations! Mentioning "Ipros" will facilitate the process. ━…━…━…━…━…━…━…━…━…━…━…━…━…━…━ Yura Sansho Co., Ltd. Special Sales Department TEL: 06-6532-1331 / Email: tokuhan@yura-sansyo.co.jp
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Applications/Examples of results
〓■Introduction of Adoption Results■〓 1) Marine-related Existing product: SUS410 bolt (hardened product, over 900N) Incident: An accident occurred due to the aging cracking (delayed fracture) phenomenon of SUS410. User request: A bolt that does not experience aging cracking while maintaining strength. Adoption result: 7 years (no reports of similar incidents) 2) Joint-related Existing product: SCM435CS (equivalent to 10.9) Incident: The fastening bolt of the piping joint broke due to long-term deterioration. A potential difference corrosion phenomenon occurred due to the body being made of SUS material. User request: The bolt's strength cannot be reduced in design, but SUS material is desired to prevent potential difference corrosion. Adoption result: 4 years (no reports of similar incidents) and more・・・
