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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 Bar DIN975 976 Metric Size B7 B7M B16 "End to End" M16-2.0~M100-6.0
A193/A193M − 20
in a liquid medium under substantially uniform conditions for
each quenching charge, and tempered. The minimum temper-
ing temperature shall be as specified in Tables 2 and 3.
TABLE 2 Mechanical Requirements — Inch Products
| Minimum | Tensile | Yield Strength, | Elongation Reduction | Hardness, | ||||
| Grade | Diameter, in. | Tempering | Strength, | min, 0.2 % | in 4D, | of Area, | max | |
| Temperature, | min, ksi | offset, | min, % | min, % | ||||
| °F | ksi | |||||||
| Ferritic Steels | ||||||||
| B5 | ||||||||
| 4 to 6 % chromium | up to 4, incl | 1100 | 100 | 80 | 16 | 50 | . . . | |
| B6 | ||||||||
| 13 % chromium | up to 4, incl | 1100 | 110 | 85 | 15 | 50 | . . . | |
| B6X | ||||||||
| 13 % chromium | up to 4, incl | 1100 | 90 | 70 | 16 | 50 | 26 HRC | |
| B7 | ||||||||
| Chromium-molybdenum | 21⁄2 and under | 1100 | 125 | 105 | 16 | 50 | 321 HBW or | |
| 35 HRC | ||||||||
| over 21⁄2 to 4 | 1100 | 115 | 95 | 16 | 50 | 321 HBW or | ||
| 35 HRC | ||||||||
| over 4 to 7 | 1100 | 100 | 75 | 18 | 50 | 321 HBW or | ||
| 35 HRC | ||||||||
| B7MA Chromium-molybdenum 4 and under | 1150 | 100 | 80 | 18 | 50 | 235 HBW or | ||
| 99 HRB | ||||||||
| over 4 to 7 | 1150 | 100 | 75 | 18 | 50 | 235 HBW or | ||
| 99 HRB | ||||||||
| B16 | ||||||||
| Chromium-molybdenum-vanadium | 21⁄2 and under | 1200 | 125 | 105 | 18 | 50 | 321 HBW or | |
| 35 HRC | ||||||||
| over 21⁄2 to 4 | 1200 | 110 | 95 | 17 | 45 | 321 HBW or | ||
| 35 HRC | ||||||||
| over 4 to 8 | 1200 | 100 | 85 | 16 | 45 | 321 HBW or | ||
| 35 HRC | ||||||||
| Tensile | Yield | |||||||
| Strength, | Strength, | Elongation Reduction | Hardness, | |||||
| Grade, Diameter, in. | Heat TreatmentB | min, ksi | min, 0.2 | in 4 D, | of Area, | |||
| % offset, | min % | min % | max | |||||
| ksi | ||||||||
| Austenitic Steels | ||||||||
| Classes 1 and 1D; B8, B8M, B8P, carbide solution treated | 75 | 30 | 30 | 50 | 223 HBW or 96 | |||
| B8LN, B8MLN, B8CLN, all | HRBC | |||||||
| diameters | ||||||||
| Classes 1 and 1D; B8, | carbide solution treated | 75 | 30 | 35 | 50 | 223 HBW or 96 | ||
| B8CLNCuB, all diameters | HRBC | |||||||
| Classes 1 and 1D: B8ML4CuN, | carbide solution treated | 70 | 25 | 35 | 50 | 90 HRB | ||
| all diameters | ||||||||
| Class 1: B8C, B8T, all diameters | carbide solution treated | 75 | 30 | 30 | 50 | 223 HBW or | ||
| 96HRBC | ||||||||
| Class 1A: B8A, B8CA, B8CLNA, | carbide solution treated in the finished | 75 | 30 | 30 | 50 | 192 HBW or 90 | ||
| B8MA, B8PA, B8TA, B8LNA, | condition | HRB | ||||||
| B8MLNA, B8NA, B8MNA, | ||||||||
| B8MLCuNA, all diameters | ||||||||
| Class 1A: B8ML4CuNA, all | carbide solution treated | 70 | 25 | 35 | 50 | 90 HRB | ||
| diameters | ||||||||
| Classes 1B and 1D: B8N, B8MN, | carbide solution treated | 80 | 35 | 30 | 40 | 223 HBW or 96 | ||
| B8MLCuN, all diameters | HRBC | |||||||
| Classes 1C and 1D: B8R, all | carbide solution treated | 100 | 55 | 35 | 55 | 271 HBW or 28 | ||
| diameters | HRC | |||||||
| Class 1C: B8RA, all diameters | carbide solution treated in the finished | 100 | 55 | 35 | 55 | 271 HBW or 28 | ||
| condition | HRC | |||||||
| Classes 1C and 1D: B8S, all | carbide solution treated | 95 | 50 | 35 | 55 | 271 HBW or 28 | ||
| diameters | HRC | |||||||
| Classes 1C: B8SA, all diameters | carbide solution treated in the finished | 95 | 50 | 35 | 55 | 271 HBW or 28 | ||
| condition | HRC | |||||||
| Class 2: B8, B8C, B8P, B8T, | carbide solution treated and strain | 125 | 100 | 12 | 35 | 321 HBW or 35 | ||
| B8N,D3⁄4 and under | hardened | HRC | ||||||
| over 3⁄4 to 1, incl | 115 | 80 | 15 | 35 | 321 HBW or 35 | |||
| HRC | ||||||||
