1.Product Introduction
Medium-strength threaded rod grade B7 black oxide steel provide high wear resistance, high temperature resistance, and high strength. Made of alloy steel that has been heat treated, they are typically used in high pressure applications, such as valves and pressure vessels in petroleum and chemical equipment.
Medium-strength threaded rod grade B7 black oxide steel is a fastening bar or rod threaded along its length. Threaded rod is generally produced from alloy steel. Rolled threads offer increased strength, uniform accuracy and a higher degree of surface finish than machine-cut threads, in addition to being lower cost. Threaded rod can be used with standard nuts and washers and may be used in standard stock lengths or cut by customer to the length required.
2.Product Parameter (Specification)
Medium-strength threaded rod grade B7 black oxide steel Specifications:
Finish: Plain, Zinc, Hot dipped galvanized and Yellow
ASTM: ASTM A307 & A193 Grade B7, A193 Grade B8
DIN: DIN975, DIN976
Stainless Steel: 18-8: 304 and 316
Grade: 4.8 , 6.8, 8.8 & 10.9
Rolled Threads: UNC , UNF , MM & BSW, Single & Double Side Thread, Metric, Trapezoidal and ACME
Diameters: M4 to M100, 6mm, 8mm, 10mm, 12mm，16mm，18mm，20mm，24mm......
Length: 1Mtr. To 3Mtrs. & 1feet to 12feet
3.Product Feature And Application
Medium-strength threaded rod grade B7 black oxide steel are headless bolts threaded all the way from one end to the other (full / all thread). They are designed for a nut to be applied on both ends and are often used for electrical, construction and plumbing for hanging purposes. we offers one of the most complete ranges of metric studs and other inch and metric industrial fasteners.
4.Product Details
Medium-strength threaded rod grade B7 black oxide steel description：
Medium-strength threaded rod grade B7 black oxide steel is by far the most common grade of threaded rod in ASTM A193. Medium-strength threaded rod grade B7 black oxide steel are high strength, manufactured from a chromium-molybdenum steel and quenched and tempered. Inch series fasteners meeting ASTM A193 Grade B7 specifications are extensively used in a wide range of flange bolting applications.
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