ASTM A193 B7 Black Coated Stud Bolt with Two Nuts

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: QSZ 24 F 129
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Black
• Screw Thread: Full Thread
• Color: Colored Zinc
• Length: Customizable
• Service Life: Long
• Decay Resistance: High
• Transport Package: Plywood Cases/Wooden Cases
• Specification: 1/2 to 4 inch
• Trademark: qishine
• Origin: China
• Package Size: 120.00cm * 120.00cm * 120.00cm
• Package Gross Weight: 530.000kg

Product Description

Company Profile

XIAMEN QISHINE

Xiamen Qishine Imp. & Exp. Co., Ltd. is a Chinese company established in 2013. We are a leading fabrication services provider in industries such as Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry, specifically for pipeline construction and maintenance.

Xiamen Qishine is ideal choice for EPC companies and project contractors. Our company specializes in supplying a range of products including Pipes, Flanges, Fasteners, Gaskets, Fittings, Valves, and Piping Spare Parts. Our products are API, CE, TUV and ISO certified.   Products are widely used on oil rigs, new nuclear power plant, Chemical and Heavy Industry.

Qishine is proud as being a premium product supplier who works closely with our clients to achieve the best possible results. We have an experienced team, skilled labor force, and advanced facilities to ensure safe and efficient project completion, meeting deadlines and budget requirements.

We take pride in catering to a broad range of clientele across various industries and projects worldwide, with a strategic focus on Engineering, Procurement, and Construction (EPC) companies and pipeline construction projects.

We have more than ten years of pipeline product development&sales experience, so we have a wealth of relevant experience and problem solving ability.

Certifications

 

 

Detailed Photos

 

Product Description

Introduction
The ASTM A193 B7 black-coated stud bolt with two nuts is a high-quality fastening solution designed to meet the demanding requirements of various industries, particularly the oil pipeline sector. Made of A193 B7 material and conforming to ASTM standards, this stud bolt offers exceptional strength, corrosion resistance and excellent performance characteristics. With a size range of 1/2 to 4 inches, performance class 8.8 and a colour zinc coating surface finish, this stud bolt is an ideal choice for critical applications where reliability and durability are paramount.

Product Description
The Black Coated Stud Bolt is precision-engineered for superior performance in challenging environments. Its A193 B7 material composition ensures high tensile strength, with an extension strength of 860 MPa. The bolt also boasts an elongation of 16%, providing flexibility and resilience under varying loads. The black coating enhances its aesthetic appeal and provides an additional layer of corrosion protection, making it suitable for use in harsh conditions.

Product Recommendation

Use Cases
The Black-Coated Stud Bolt is widely used in the oil pipeline industry, where reliable fastening solutions are essential for maintaining the integrity and longevity of pipeline systems. Whether used for the construction of new pipelines or maintenance and repairs, this stud bolt provides a reliable and durable fastening solution that can withstand challenging operating conditions.


Quality Assurance
Each ASTM A193 B7 Black-Coated Stud Bolt undergoes rigorous quality control measures to ensure conformity with ASTM standards and performance specifications. Thanks to our focus on precision manufacturing and stringent inspection protocols, customers can rely on the consistency and performance of these stud bolts for their critical applications.

Conclusion
In conclusion, the ASTM A193 B7 Black-Coated Stud Bolt with two nuts is a high-quality fastening solution that combines strength, corrosion resistance and durability. Whether used in oil pipelines or other industrial applications, it offers a reliable, long-lasting way to secure critical connections. For your next project, trust in the proven performance of this black-coated stud bolt and experience the difference it can make to your operations in terms of quality and reliability.

Applications:
Thanks to its superior specifications and robust construction, the ASTM A193 B7 Tap End Stud Bolt is widely used in many industrial sectors, including oil and gas, petrochemicals, power generation and heavy machinery. Its ability to perform in high-pressure and high-temperature environments makes it ideal for use in boilers, pressure vessels, flanges and valves, to name a few applications.

Product Parameters

Xiamen Qishine Imp.&Exp. Co.,Ltd.
No.: QR-20-06 REV.B/2								Certificate of Product Quality
(   As per EN 10204 type 3.1 )
Customer:																CERTIFICATE NO.:					Y22120710
Normative References: ASTM A193/A193M GR B7--22																DATE:			07/Dec/22
P.O.No.		PART NO.	ITEM.	PART DESCRIPTION	Qty	Measured Value
						Chemical Composition()										Mechanical Property						REDUCTION RATIO	≥4:1
						C	Mn	Si	S	P	Cr	Ni	Mo	V	Al	σb  (Mpa)	σs  (Mpa)	δ               (%)	φ              (%)	HARDNESS (HRC)	ºC
																					AKV(J)	HEAT NO.	HEAT LOT NO./TRACEABLE NO.                          /
						0.38	0.75	0.15	0.040             Max	0.035                 Max	0.80	-	0.15	-	-	860 Min	720 Min	16                  Min	50                    Min	34                   Max	10x10mm
						0.48	1.00	0.35			1.10	-	0.25	-	-
P22/000294		-	182	Hex Head Bolt,1/2-13UNCx115-2A,A193 B7-HDG	19	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	951	848	20.5	63	28,28,29	-	9072380Z	C6221104-5
P22/000294		-	181	Hex Head Bolt,1/2-13UNCx90-2A,A193 B7-HDG	6	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	951	848	20.5	63	28,28,29	-	9072380Z	C6221104-5
P22/000294		-	148	Stud Bolt,1/2-13UNCx2-1/2-2A,A193 B7-HDG	84	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	951	848	20.5	63	28,28,29	-	9072380Z	C6221104-5
P22/000294		-	149	Stud Bolt,1/2-13UNCx3-2A,A193 B7-HDG	36	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	951	848	20.5	63	28,28,29	-	9072380Z	C6221104-5
P22/000294		-	192	Stud Bolt,1/2-13UNCx4-2A,A193 B7-HDG	12	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	951	848	20.5	63	28,28,29	-	9072380Z	C6221104-5
P22/000294		-	183	Hex Head Bolt,5/8-11UNCx100-2A,A193 B7-HDG	6	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	981	901	20	61	30,30,31	-	9072380Z	C6221104-7
P22/000294		-	195	Hex Head Bolt,5/8-11UNCx165-2A,A193 B7-HDG	4	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	981	901	20	61	30,30,31	-	9072380Z	C6221104-7
P22/000294		-	156	Stud Bolt,5/8-11UNCx3-1/2-2A,A193 B7-HDG	556	0.41	0.87	0.28	0.004	0.01	1.07	-	0.22	-	-	981	901	20	61	30,30,31	-	9072380Z	C6221104-7
MACROSTRUCTURE (As per ASTM  E381 S1,R1,C2):Qualified Product.							MICROSTRUCTURE (Predominately tempered martensite):Qualified Product.										DECARBURIZATION TEST (As per ASTM  F2328):Qualified Product.
NDE	MT: ASTM A962 S55. ACCEPTANCE CRITERIA AS PER ASTM S57. ACCEPTABLE.							UT: AS PER ASTM A388/388M AND ASTM E127  ACCEPTANCE CRITERIA: AS PER API 6A STEMS PSL3, ACCEPTABLE.									PT: ASTM A962 S56. ACCEPTANCE CRITERIA AS PER ASTM S57. ACCEPTABLE.
HEAT TREATMENT DETAIL		Method								()							COMPLIANCE
					Furnace type			Temp.ºC		holding time (M)				Cooling Method			We hereby certify that above material manufactured, sampling, tested and inspected according to customer order requirements, conform to API 20E, BSL-1. There is no weld repair. The material is free from radioactive contamination.                                                                                                             ,,,API 20E, BSL-1...
		Quenching			Electric furnace			860		1 h.				Oil
		Tempering			Electric furnace			620		1 h.				Air
		-			-			-		-				-
		-			-			-		-				-
		EQUIPMENT CALIBRATION:			CAL.DATE: 2022.06.07						CAL.DUE DATE: 2023.06.06
DIMENSIONAL & THREAD FORMS: Qualified Product.							VISUAL CHECK: Qualified Product.					COATING: Qualified Product.
PREPARED BY							QC MANAGER										DATE

Reliability:
One of the standout features of the ASTM A193 B7 Bolting Tap End Stud Bolt is its unparalleled reliability. Stringent compliance with standards and the use of high-quality materials ensure consistent performance under challenging conditions. The end result is a reliable fastening solution that guarantees the structural integrity and operational efficiency of your equipment.

Conclusion:
The Bolting ASTM A193 B7 Tap End Stud Bolt represents the pinnacle of industrial fastening solutions. With its superior strength, high durability, and consistent performance, this tap end stud bolt sets a new benchmark in the fastener industry.

Investing in the Bolting ASTM A193 B7 Tap End Stud Bolt demonstrates a commitment to quality, reliability and performance. This fastener is not just a simple piece of hardware; it is a testament to advanced engineering, precise manufacturing and rigorous quality control.

From a sustainability perspective, the impressive durability and high performance of this bolt also contribute to reducing waste and environmental impact, as their long service life means they need to be replaced less frequently over time.

In essence, the Bolting ASTM A193 B7 Tap End Stud Bolt is an assurance of unmatched strength, resilience and excellence, not just a fastening solution. When you choose this stud bolt for your industrial applications, you are choosing top-tier performance, longevity and peace of mind.