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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 A193 B7 -16 "Thread to Thread" Class 2A c/w 2 Heavy Hex Nut ASTM A194 Gr.2H Class 2B
There are different types such as the 2h heavy hex nut which is used for heavy duty applications,The material of the nuts could be carbon steel, alloy steel or other stainless steel types. They come under the standard ANSI B18.2.2. . The nuts range from ¼ inches to 4 inches in nominal size and have up to 175ksi proof load stress. The astm a563 dh heavy hex nuts have minimum of 248 hardness score. The material of these nuts can contain carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel and molybdenum based on the material grade.
The product of 4140 alloy steel shall meet the following chemical composition standards:
C% 0.38-0.48
Si% 0.15-0.35
Mn% 0.70-1.00
P% ≤0.035
S% ≤0.040
Cr% 0.80-1.10
Mo% 0.15-0.25
| A193 RECOMMENDED HARDWARE | ||
| Grade | Nut | Washer |
| B7 | A194 Grade 2H | F436 |
| B8 Class 1 | A194 Grade 8 | 304 Stainless |
| B8 Class 2 | A194 Grade 8 | 304 Stainless |
| B8M Class 1 | A194 Grade 8M | 316 Stainless |
| B8M Class 2 | A194 Grade 8M | 316 Stainless |
| B16 | A194 Grade 7 | F436 |
