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Home > Products > Stainless Steel Bolts > Esparragos A193 Grado B7 Stud Bolt A193 Grado B7 W/2 Nuts A194 2h

Esparragos A193 Grado B7 Stud Bolt A193 Grado B7 W/2 Nuts A194 2h

Basic Info

Model No.:  A193 Grado B7

Product Description



Model NO.: A193 Grado B7


Type: Round Head


Head Style: Round


Grade: B7


Finish: Polishing


Stud Bolt: Esparragos Stud Bolt A193 Grado B7


Origin: China




Material: High Strength Steel


Connection: Common Bolt


Standard: DIN, ANSI, JIS, GOST


Application: Machinery


Other Material: ASTM A193 B7 Stud Bolt with Two ASTM A194 2h Nuts


Trademark: C&N


C&N offers high quality of ESPARRAGOS STUD BOLT A193 Grado B7 w/2 NUTS A194 2H

ASTM A193 B7 stud bolt with two ASTM A194 2H nuts



Diameter:1/4"~3 3/4"

Length:20mm~6000mm(usually 12 feet)

Grade :B7

Standard: M6-M100








B7 Alloy steel, AISI 4140/4142 quenched and tempered
B8 Class 1 Stainless steel, AISI 304, carbide solution treated.
B8M Class 1 Stainless steel, AISI 316, carbide solution treated.
B8 Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened
B8M Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened
B16 A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.






Mechanical Properties

Bolt -Grade Identification Markings


Grade
Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min
B7 Up to 2-1/2 125 105 16 50
2-5/8 - 4 115 95 16 50
4-1/8 - 7 100 75 18 50
B8 Class 1 All 75 30 30 50
B8M Class 1 All 75 30 30 50
B8 Class 2 Up to 3/4 125 100 12 35
7/8 - 1 115 80 15 35
1-1/8 - 1-1/4 105 65 20 35
1-3/8 - 1-1/2 100 50 28 45
B8M Class 2 Up to 3/4 110 95 15 45
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45
B16 Up to 2-1/2 125 105 18 50
2-5/8 - 4 110 95 17 45
4-1/8 - 7 100 85 16 45






Material Chemical Composition


Element
B7 (AISI 4140) B8 (AISI 304) B8M (AISI 316) B16 (AISI 4140)
Carbon 0.37 - 0.49% 0.08% max 0.08% max 0.37 - 0.49%
Manganese 0.65 - 1.10% 2.00% max 2.00% max 0.65 - 1.10%
Phosphorus, max 0.035% 0.045% 0.045% 0.035%
Sulfur, max 0.040% 0.030% 0.030% 0.040%
Silicon 0.15 - 0.35% 1.00% max 1.00% max 0.15 - 0.35%
Chromium 0.75 - 1.20% 18.0 - 20.0% 16.0 - 18.0% 0.75 - 1.20%
Nickel 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% 2.00 - 3.00% 0.15 - 0.25%






Recommended Nuts,Bolts & Washer


Bolt Grade
Nuts Washers
B7 A194 Grade 2H F436
B8 Class 1 A194 Grade 8 SS304
B8M Class 1 A194 Grade 8M SS316
B8 Class 2 A194 Grade 8 SS304
B8M Class 2 A194 Grade 8M SS316






Esparragos A193 Grado B7 Stud Bolt A193 Grado B7 W/2 Nuts A194 2h

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