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[China]
Trade Verify
Address: Room 901,Building 1,Jinhuizhibo Square,No.199 Yanhu West Road,Haiyan,Zhejiang,China
Contact name:Gu Juan Ping
Haiyan Hager Fastener Co., Ltd. |
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Verified Suppliers
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Stud bolt ASTM A320 L7 -16 "Thread to Thread" Class 2A c/w 2 Heavy Hex Nut ASTM A194 Gr.7L Class 2B
Common ASTM A193 specifications:
ASTM A193 B7 Alloy steel, AISI 4140 or 4142, quenched and tempered
ASTM A193 B6 Stainless steel, AISI 410, heat treated
ASTM A193 B8 Class 1 Stainless steel, AISI 304, carbide solution treated.
ASTM A193 B8M Class 1 Stainless steel, AISI 316, carbide solution treated.
ASTM A193 B8 Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened
High strength products processed by domestic materials 4140 alloy steel, net belt furnace or medium frequency furnace heat treatment, high temperature resistance, products are widely used in oil, power plants, offshore exploration, tower and various high temperature and low temperature resistance environment,
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches
Tempering temperature 650℃
SAMPLE NUT AFTER HEAT:TREATMENT 590℃/24HR/HRB MIN 94
PROOF LOAD (USING THREADED MANDREL)
HARDNESS TEST COMPLETED NUTS HRC 24-35
CHARPY V NOTCH IMPACT VALUE (J) -101℃
