Stud Bolts A193 B7

• Customization: Available
• Material: Stainless Steel
• Surface Finishing: Black, Galvanized, HDG, Dacromet
• Model NO.: ASTM A193 B7
• Certification: ISO
• Customized: Customized
• Transport Package: Package 1
• Specification: 1/2"-4
• Trademark: M
• Origin: Ningbo
• HS Code: 7318190000
• Production Capacity: 1600 Ton/Month

Product Description

ASTM A193 Characteristics

Grade	Description	Diameter	Tensile Strength, min.	Yield Strength, min.	Hardness, max.	Marking
ASTM A193 B6	S41000 (410)	Up to 4"	110	85		B6
ASTM A193 B7	Chromium-Molybdenum	2 1/2" and under	125	105	321 HB or 35 HRC	B7
		over 2 1/2" to 4"	115	95	321 HB or 35 HRC
		over 4" to 7"	100	75	321 HB or 35 HRC
ASTM A193 B7M	Chromium-Molybdenum	4" and under	100	80	235 HB or 99 HRB	B7M
		over 4" to 7"	100	75	235 HB or 99 HRB
ASTM A193 B16	Chromium-Molybdenum- Vanadium	2 1/2" and under	125	105	321 HB or 35 HRC	B16
		over 2 1/2" to 4"	110	95	321 HB or 35 HRC
		over 4" to 8"	100	85	321 HB or 35 HRC
ASTM A193 B8 class 1	S30400 (304)	all	75	30	223 HB or 96 HRB	B8
ASTM A193 B8 class 2	S30400 (304)	3/4" and under	125	100	321 HB or 35 HRC	B8SH
		over 3/4" to 1"	115	80	321 HB or 35 HRC
		over 1" to 1 1/4"	105	65	321 HB or 35 HRC
		over 1 1/4" to 1 1/2"	100	50	321 HB or 35 HRC
ASTM A193 B8C class 1	S34700 (347)	all	75	30	223 HB or 96 HRB	B8C
ASTM A193 B8C class 2	S34700 (347)	3/4" and under	125	100	321 HB or 35 HRC	B8CSH
		over 3/4" to 1"	115	80	321 HB or 35 HRC
		over 1" to 1 1/4"	105	65	321 HB or 35 HRC
		over 1 1/4" to 1 1/2"	100	50	321 HB or 35 HRC
ASTM A193 B8M class 1	S31600 (316)	all	75	30	223 HB or 96 HRB	B8M
ASTM A193 B8M class 2	S31600 (316)	3/4" and under	110	95	321 HB or 35 HRC	B8MSH
		over 3/4" to 1"	100	80	321 HB or 35 HRC
		over 1" to 1 1/4"	95	65	321 HB or 35 HRC
		over 1 1/4" to 1 1/2"	90	50	321 HB or 35 HRC
ASTM A193 B8T class 1	S32100 (321)	all	75	30	223 HB or 96 HRB	B8T
ASTM A193 B8T class 2	S32100 (321)	3/4" and under	125	100	321 HB or 35 HRC	B8TSH
		over 3/4" to 1"	115	80	321 HB or 35 HRC
		over 1" to 1 1/4"	105	65	321 HB or 35 HRC
		over 1 1/4" to 1 1/2"	100	50	321 HB or 35 HRC
ASTM A193 B8R	S20910	all	100	55	271 HB or 28 HRC	B8R
ASTM A193 B8S	S21800	all	95	50	271 HB or 28 HRC	B8S

The Ningbo Beilun Milfast Metalworks Co., Ltd. is a professional fasteners company in Ningbo, specialize in the Threaded Rods, Studs, Bolts, Nuts, Washers and the Stamping metal parts. With the products quality and good service, we have gained the credit from our customers.
The Milfast Metalworks products include various different specifications and types:
THREADED RODS, STUD BOLTS, HEAVY HEX BOLTS, STRUCTURAL BOLTS, HEX BOLTS, FLANGE BOLTS, TRACK BOLTS, CARRIAGE BOLTS, HEAVY HEX NUTS, STRUCTURAL NUTS, HEX NUTS, FLANGE NUTS, CASTLE NUTS, SQUARE NUTS, FLAT WASHERS, SPRING WASHERS, SPECIAL FASTENERS AND OTHER VARIOUS METAL PARTS.
Ningbo Beilun Milfast Metalworks Co.,Ltd produce high-quality fasteners standard Threaded Rods, bolts, nuts, stud bolts, washers as follows, 
ASTM A325/A325M/A490/A490M Type 1 Structural Bolts, A193/A193M Gr.B7/B7M Heavy Hex Bolts, ASTM A307 Hex Bolt, DIN912 Socket Head Cap Screws, DIN6914 Structural Bolts, EN14399-3/EN14399-4 Heavy Hex Bolts, DIN931/933 Hex Bolts, DIN960/961 Hex Bolts, ISO4014/4017 Hex Bolts, DIN6921 Flange Bolts
ASTM A194/A194M Gr. 2H/2HM, 7/7M Heavy Hex Nuts, A563/A563M Gr. C/DH/10S Heavy Hex Nuts, DIN6915 Structural Nuts, EN14399-3/EN14399-4 Heavy Hex Nuts, DIN934 Hex Nuts, ISO4032 Hex Nuts, DIN6923 Flange Nuts
ASTM A193/A193M Gr. B7/B7M, B16, B8/B8M, ASTM A320 Gr.L7/L7M Threaded Rod/Stud Bolts, DIN975 Threaded Rods
ASTM F436 Hardened Flat Washer, SAE/USS Flat Washer, ISO7089 Round Flat Washer, DIN125 Flat Washers, DIN6916 Structural Washer, EN14399-5/EN14399-6 Flat Washer, DIN127 Spring Washer, F959 DTI Washer


Based on the standard system, Ningbo Beilun Milfast Metalworks Co.,Ltd control each link to ensure the factory can produce the high-leave quality products, from raw material to the production process in strict management to ensure products quality. It successfully won the customer very satisfactory according to this process.

The Milfast Metalworks main products ASTM A193-B7 Threaded Rods, A194 Gr. 2H Heavy Hex Nuts, ASTM A325 Structural Bolts, ASTM F436M Hardened Flat Washers, they are widely spread all over the world, include the Country from America, Europe, Middle East, Africa, Etc.

We′re confident to provide you with high-quality products, competitive prices, timely delivery and perfect after-sales service. The Milfast target is to create a win-win business model and establish long-term business relationship with our partner in future.