SS 304 Metal Threaded Rod METRIC ISO9001 Certificate 3/4 Inch Acme Threaded Rod

Metal Threaded Rod Stud Bar DIN975 976 Metric Size L7 L7M L43 "End to End"

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, with specifications greater than or equal to 2-3 / 4 inches

TENSILE STRENGTH >860/mm2

YIELD STRENGTH MIN 725/mm2

ELONGATION >16%

REDUCE >50%

TEMPERING >593℃

QUENCHING 820-990℃

HARDNESS <32HRC

CHARPY V NOTCH IMPACT VALUE (J) MINUS -101C DEGREE

ASTM A193 B7 B7M A320 L7 L7M Stud Bolt threaded rod are commonly used in offshore flatform, oil and gas. With PTFE coating, it is in high anti-corrosion.

The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, low temperature, or other special purpose applications. The ASTM A193 specification covers bars, bolts, screws, studs, stud bolts, and wire. The material may be further processed by centerless grinding or by cold drawing. Below are some of the ASTM A193 grades used commonly.