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Manufacturing 904L bolts is significantly more difficult than manufacturing standard 304 or 316 grades. While 904L is highly ductile, its high nickel (25%) and molybdenum (4.5%) content make it extremely tough and prone to rapid work-hardening, When welding 904L studs or components, use matching filler metals (e.g., 20 25 CuL) and avoid pre-heating to prevent hot cracking. Use Tri-Roll Thread Comparators and calibrated gauges to ensure precision, as 904L is prone to galling (seizing) during assembly if threads are not perfect.
Model: Could custom as client’s need
Material：Spring steel（55CrSiA、50CrVA、）
stainless steel（301、302、304、316、316L、17-7PH、15-7Mo）
Exotic alloy（GH4145、GH4169、GH2132、GH4090、30W4Cr2VA）
（Inconel X-750、Inconel 718、Nimonic90）
Inconel 901 High-Temperature Nuts – Superior Strength for Aerospace & Energy Sectors ，Inconel 901, a nickel-iron-chromium superalloy, is standardized under:
Equivalent Grades of Alloy31 (UNS N08031) Alloy31, also designated as UNS N08031, is a super austenitic nickel-chromium-molybdenum alloy standardized under:
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During this meeting, feel free to communicate your ideas and ask lots of questions.
Products widely used in pump, valve ,oil & petrochemical pressure vessel, boiler fluid field etc.
Our sales have more than ten years of experience in this industry. They can communicate with customers effectively and respond within 12 hours. Feel free to sent us inquiry, Thank you very much !
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