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                        ASTM A194 Gr.7 Heavy Hex Nut
                        • ASTM A194 Gr.7 Heavy Hex NutASTM A194 Gr.7 Heavy Hex Nut

                        ASTM A194 Gr.7 Heavy Hex Nut

                        Haixin® ASTM A194 Gr.7 heavy hex nut is one of the high strength heavy hex nuts. According to ASTM A194 standard, ASTM A194 Gr.7 heavy hex nut needs low temperature impact testing. Thus, heat treatment becomes the key process in production. Our factory has mesh belt furnaces, which were bought from Taiwan, China. We can do the heat treatment by ourselves. Our lab also has low temperature impact testing equipment. We can do all the tests in our own lab. We have exported ASTM A194 Gr.7 heavy hex nuts to the United States, Canada, Australia, Korea and Southeast Asia for more than 25 years. Quality First is our principle.

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                        Product Description






                        Product Parameter (Specification)

                        Standard
                        Grade
                        Diameter
                        Surface
                        ANSI B18.2.2
                        ASTM A194 Gr.7
                        3/8”-4”
                        Plain
                        Black
                        Xylan

                        Product Feature

                        One of the most important features for ASTM A194 Gr.7 heavy hex nuts is its requirement of low temperature impact test. The recommended test temperature is -101℃. Usually An “L” is added to the marking for nuts tested.

                        Product Certifications

                        Ningbo Haixin® Hardware Co.,Ltd has our own logo LM, which was registered in the USA. Besides, we have certificates of PED and API-20E of BSL1 and BSL2 for ASTM A194 Gr.7 heavy hex nuts.

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