High Strength B18.2.1 A193 B7 Xylan Coated Hexagonal Head Screw

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 1/2INCH-4INCH
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Xylan
• Screw Thread: Fully
• Color: Blue
• Length: Customizable
• Service Life: Long
• Decay Resistance: High
• Transport Package: Plywood Cases/Wooden Cases
• Specification: 1/2inch-4inch
• Trademark: qishine
• Origin: China
• Package Size: 20.00cm * 12.00cm * 12.00cm
• Package Gross Weight: 12.000kg

Product Description

Company Profile

XIAMEN QISHINE

XIAMEN QISHINE IMP. & EXP. Co., Ltd., is a globally recognized and renowned pipeline product supplier specializing in the provision of a wide array of pipeline essentials, from fasteners to gaskets. 

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:

In the realm of fastening solutions, the High Strength B18.2.1 A193 B7 Xylan Coated Hexagonal Head Screw stands out, bringing together formidable strength, exceptional durability, and superior performance. Engineered to the highest standards of ASTM and ASME specifications, this hexagonal head screw is designed to meet the rigorous demands of various industrial applications. This comprehensive product review delves into the unique features, significant benefits, and diverse applications of this top-of-the-line fastener.


Specifications:

The High Strength B18.2.1 A193 B7 Xylan Coated Hexagonal Head Screw is crafted to comply with the stringent requirements of the ASME B18.2.1 and ASTM A193 B7 standards. The ASME B18.2.1 standard governs the dimensions and mechanical properties of general-purpose bolts, screws, and studs. The ASTM A193 B7 specification is synonymous with high-strength, high-temperature service, reflecting the exceptional durability and performance characteristics of this screw.



Product Recommendation

Design and Build:
Exemplifying the finest in engineering precision and innovative design, the B18.2.1 A193 B7 Xylan Coated Hexagonal Head Screw is a testament to exceptional craftsmanship and cutting-edge technology. The Xylan coating offers a superior layer of protection, enhancing the screw's corrosion and wear resistance. Meanwhile, the hexagonal head design provides ease of installation and a firm grip, ensuring secure and reliable fastening across a multitude of applications.


Strength and Durability:
The High Strength B18.2.1 A193 B7 Xylan Coated Hexagonal Head Screw is synonymous with exceptional strength and long-term durability. The Chromium-Molybdenum steel (denoted by A193 B7) confers upon this screw high tensile strength and impressive toughness, rendering it ideal for heavy-duty, high-pressure, and high-temperature applications.

Applications:

The versatility and robustness of the A193 B7 Xylan Coated Hexagonal Head Screw have led to its extensive use across numerous industrial sectors. It's particularly effective in oil and gas, petrochemical, construction, and power generation industries, where high strength and resistance to harsh environmental conditions are crucial. The screw finds prominent use in high-stress applications such as pipeline flanges, pressure vessels, heat exchangers, and more.

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.:					Y22120713
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		-	185	Hex Head Bolt,1-8UNCx165-2A,A193 B7-HDG	12	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	186	Hex Head Bolt,1-8UNCx180-2A,A193 B7-HDG	8	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	187	Hex Head Bolt,1-8UNCx190-2A,A193 B7-HDG	22	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	188	Hex Head Bolt,1-8UNCx255-2A,A193 B7-HDG	27	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	189	Hex Head Bolt,1-8UNCx280-2A,A193 B7-HDG	8	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	146	Stud Bolt,1-8UNCx13-2A,A193 B7-HDG	136	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	191	Stud Bolt,1-8UNCx5-2A,A193 B7-HDG	64	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
P22/000294		-	147	Stud Bolt,1-8UNCx6-1/2-2A,A193 B7-HDG	240	0.41	0.84	0.23	0.01	0.003	1	-	0.22	-	-	1022	937	18.5	60	29,30,31	-	20EB03598	C6220906-6
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		1.5 h.				Oil
		Tempering			Electric furnace			620		2 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