A193 Esparragos B7 A194 Tuercas 2h Stud Bolt

Model NO.: B7 Tuercas 2h A-325 Type: Round Head Head Style: Round Grade: B7 Finish: Polishing Stud Bolt: Esparragos Stud Bolt A193 Grado B7 Transport Package: Plywood Box, Plywood Case, Wooden Pallet 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 Origin: China 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  

 B7B8B8MB8B8MB16

Alloy steel, AISI 4140/4142 quenched and tempered

Class 1 Stainless steel, AISI 304, carbide solution treated.

Class 1 Stainless steel, AISI 316, carbide solution treated.

Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened

Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened

A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.

 
Mechanical Properties
Bolt -Grade Identification Markings
GradeSizeTensile ksi, minYield, ksi, minElong, %, minRA % 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
ElementB7 (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 GradeNutsWashers

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

 

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Product Categories : Stainless Steel Bolts