ASTM A193 B7 Bolt

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ASTM A193 B7 Hex Head Bolt, B7 Grade Stud Bolt, ASME SA193 Grade B7 U Bolt, AISI Grade B7 Allen Bolt, Grade A193 Flange Head Bolt.

Applications requiring medium to high temperatures call for B7 studs. The material has undergone heat treatment and is applied in numerous ways. One of the top producers and suppliers of various fastener kinds, including Sa 193 B7 Bolts, is Shree Ashapura Steel. A high-strength, corrosion-resistant chromium molybdenum alloy is used to create the fasteners.

The fasteners must have a minimum yield strength of 105ksi and an optimum tensile strength of 125ksi. The gr B7 hex bolt is a kind that is frequently used because it has excellent geometric power. The fasteners can withstand temperatures of up to 450 degrees Celsius. Sa 193 gr b7 fasteners come in sizes up to 2 12 inches. The substance comprises chromium, nickel, molybdenum, silicon, sulphur, phosphorus, manganese, and carbon. Applications for ASTM A193 B7m bolts can be found in the chemical and petroleum sectors of the industry.

About ASTM A193 B7 Bolt

The fasteners have been tempered and quenched. These fasteners are available in a variety of sizes and forms, including stud bolts, threaded rods, and b7 bolts and nuts. On construction sites, this grade B7 bolt is also employed. As a top supplier, we produce a variety of fasteners, including ASTM a193 b7 threaded rods and others. Don’t hesitate to contact us for more information about these and the costs of a193 b7 material.

Specification Of ASTM A193 B7 Bolt

Dimensions	ASME B18.2.1, B18.3
Melt Origin	Korea, South America, Japan, East Europe,
Mandatory Requirements	Free from Mercury & Radioactive Contamination
Additional Certifications	PED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified
Certification	Dual Certified As per ASTM & ASME Codes
Additional Requirements	NACE MR0103 / MR0175 / ISO 15156 Compliance
Threads Configuration	ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads

Equivalent Grades ASTM A193 B7 Bolt

ASTM	AISI
ASTM A193 GRADE B7	4140

Chemical Composition ASTM A193 B7 Bolt

Element	Carbon	Manganese	Phosphorus, maximum	Sulfur, maximum	Silicon	Chromium	Nickel	Molybdenum
B7 (AISI 4140)	0.38 - 0.48%	0.75 - 1.00%	0.035%	0.040%	0.15 - 0.35%	0.80 - 1.10%	-	0.15 - 0.25%

Mechanical Properties ASTM A193 B7 Bolt

Grade	Diameter	Tensile Strength	Yield Strength	Elongation	Reduction	Hardness
Grade B7	M64 and under	860	720	16	50	321 HBW or 35 HRC
Grade B7	Over M64 to M100	795	655	16	50	321 HBW or 35 HRC
Grade B7	Over M100 to M180	690	515	18	50	321 HBW or 35 HRC

Dimensions Of ASTM A193 B7 Bolt

Stainless Steel Bolts Dimensions Chart :

Nominal Size or Basic Product Diameter		Full-Size Body Diameter, E		Width Across Flats, F			Width Across Corners, G		Head Height, H Basic			Radius of Fillet, R		Nominal Thread Length for Bolt Lengths, LT
inch	mm	Max	Min	Basic inch	Max	Min	Max	Min	Basic inch	Max	Min	Max	Min	6 in. and Shoter	Over 6 in.
1⁄4	0.25	0.26	0.237	7⁄16	0.438	0.425	0.505	0.484	11⁄64	0.188	0.15	0.03	0.01	0.75	1
5⁄16	0.3125	0.324	0.298	1⁄2	0.5	0.484	0.577	0.552	7⁄32	0.235	0.195	0.03	0.01	0.875	1.125
3⁄8	0.375	0.388	0.36	9⁄16	0.562	0.544	0.65	0.62	1⁄4	0.268	0.226	0.03	0.01	1	1.25
7⁄16	0.4375	0.452	0.421	5⁄8	0.625	0.603	0.722	0.687	19⁄64	0.316	0.272	0.03	0.01	1.125	1.375
1⁄2	0.5	0.515	0.482	3⁄4	0.75	0.725	0.866	0.826	11⁄32	0.364	0.302	0.03	0.01	1.25	1.5
5⁄8	0.625	0.642	0.605	15⁄16	0.938	0.906	1.083	1.033	27⁄64	0.444	0.378	0.06	0.02	1.5	1.75
3⁄4	0.75	0.768	0.729	11⁄8	1.125	1.088	1.299	1.24	1⁄2	0.524	0.455	0.06	0.02	1.75	2
7⁄8	0.875	0.895	0.852	1 5⁄16	1.312	1.269	1.516	1.447	37⁄64	0.604	0.531	0.06	0.02	2	2.25
1	1	1.022	0.976	1 1⁄2	1.5	1.45	1.732	1.653	43⁄64	0.7	0.591	0.09	0.03	2.25	2.5
1 1⁄8	1.125	1.149	1.098	1 11⁄16	1.688	1.631	1.949	1.859	3⁄4	0.78	0.658	0.09	0.03	2.5	2.75
1 1⁄4	1.25	1.277	1.223	1 7⁄8	1.875	1.812	2.165	2.066	27⁄32	0.876	0.749	0.09	0.03	2.75	3
1 3⁄8	1.375	1.404	1.345	2 1⁄16	2.062	1.994	2.382	2.273	29⁄32	0.94	0.81	0.09	0.03	3	3.25
1 1⁄2	1.5	1.531	1.47	2 1⁄4	2.25	2.175	2.598	2.48	1	1.036	0.902	0.09	0.03	3.25	3.5
1 5⁄8	1.625	1.658	1.591	2 7⁄16	2.438	2.356	2.815	2.616	1 3⁄32	1.116	0.978	0.09	0.03	3.5	3.75
1 3⁄4	1.75	1.785	1.716	2 5⁄8	2.625	2.538	3.031	2.893	1 5⁄32	1.196	1.054	0.12	0.04	3.75	4
1 7⁄8	1.875	1.912	1.839	2 13⁄16	2.812	2.719	3.248	3.099	1 1⁄4	1.276	1.13	0.12	0.04	4	4.25
2	2	2.039	1.964	3	3	2.9	3.464	3.306	1 11⁄32	1.388	1.175	0.12	0.04	4.25	4.5
2 1⁄4	2.25	2.305	2.214	3 3⁄8	3.375	3.262	3.897	3.719	1 1⁄2	1.548	1.327	0.19	0.06	4.75	5
2 1⁄2	2.5	2.559	2.461	3 3⁄4	3.75	3.625	4.33	4.133	1 21⁄32	1.708	1.479	0.19	0.06	5.25	5.5
2 3⁄4	2.75	2.827	2.711	4 1⁄8	4.125	3.988	4.763	4.546	1 13⁄16	1.869	1.632	0.19	0.06	5.75	6
3	3	3.081	2.961	4 1⁄2	4.5	4.35	5.196	4.959	2	2.06	1.815	0.19	0.06	6.25	6.5
3 1⁄4	3.25	3.335	3.21	4 7⁄8	4.875	4.712	5.629	5.372	2 3⁄16	2.251	1.936	0.19	0.06	6.75	7
3 1⁄2	3.5	3.589	3.461	5 1⁄4	5.25	5.075	6.062	5.786	2 5⁄16	2.38	2.057	0.19	0.06	7.25	7.5
3 3⁄4	3.75	3.858	3.726	5 5⁄8	5.625	5.437	6.495	6.198	2 1⁄2	2.572	2.241	0.19	0.06	7.75	8
4	4	4.111	3.975	6	6	5.8	6.928	6.612	2 11⁄16	2.764	2.424	0.19	0.06	8.25	8.5

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