ASTM A193 B7 Black Coated Stud Bolt with Two Nuts

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: QSZ 24 F 129
• 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, especially in the oil pipeline sector. This stud bolt, made of A193 B7 material and conforming to ASTM standards, offers exceptional strength, corrosion resistance, and excellent performance characteristics. With a size range from 1/2 to 4 inches, a performance class of 8.8, and a surface finish of color zinc coating, 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 to deliver superior performance in challenging environments. Its material composition of A193 B7 ensures high tensile strength, with a strength of extension reaching 860 MPa. This stud bolt also boasts an elongation of 16%, allowing flexibility and resilience under varying loads. The black coating not only enhances its aesthetic appeal but also provides an additional layer of protection against corrosion, making it suitable for use in harsh and corrosive conditions.

Product Recommendation

Use Cases
The Black Coated Stud Bolt finds extensive applications in the oil pipeline industry, where dependable fastening solutions are crucial for ensuring the integrity and longevity of pipeline systems. Whether used in the construction of new pipelines or for maintenance and repairs, this stud bolt offers a reliable and durable fastening solution that withstands the rigors of operation in challenging environments.



Quality Assurance
Each ASTM A193 B7 Black Coated Stud Bolt undergoes meticulous quality control measures to ensure conformity to ASTM standards and performance specifications. With a focus on precision manufacturing and stringent inspection protocols, customers can trust in the reliability and consistency of these stud bolts for their critical applications.

Conclusion
In conclusion, the ASTM A193 B7 Black Coated Stud Bolt with two Nuts stands out as a high-quality fastening solution that combines strength, corrosion resistance, and durability. Whether used in oil pipelines or other industrial applications, this stud bolt offers a reliable and long-lasting solution for securing critical connections. Trust in the proven performance of this black coated stud bolt for your next project, and experience the difference in quality and reliability it brings to your operations.

Applications:

With its superior specifications and robust build, the ASTM A193 B7 Tap End Stud Bolt is widely adopted across numerous industrial sectors, including the oil and gas, petrochemical, power generation, and heavy machinery industries. It excels in high-pressure and high-temperature environments, making it suitable for applications such as boilers, pressure vessels, flanges, and valves, to name a few.

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 Bolting ASTM A193 B7 Tap End Stud Bolt is its unparalleled reliability. The combination of stringent standards compliance and high-quality materials ensures that this stud bolt performs consistently under various challenging conditions. The end result is a reliable fastening solution that ensures 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 is a statement of commitment to quality, reliability, and performance. This fastener is more than a simple piece of hardware; it is a testament to advanced engineering, precise manufacturing, and stringent quality control.

When viewed from the sustainability perspective, this bolt's impressive durability and high performance also contribute to reducing waste and environmental impact, as their long service life necessitates fewer replacements over time.

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