Basic Info.
Standard
DIN, ANSI, GB, JIS, BSW, GOST, API 20e
Application
Machinery, Chemical Industry, Environmental, Building
Primer Coating
Zinc- Nickel
Manufacture Grade
API Bsl-3
Specification
1/2inch-4inch
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 | |
Address:
Room 209-1, 318 Houhang Qianshe, Huli District, Xiamen, Fujian, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Apparel & Accessories, Auto, Motorcycle Parts & Accessories, Construction & Decoration, Furniture, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Tools & Hardware, Transportation
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ASME
Company Introduction:
We XIAMEN QISHINE IMP. & EXP. Co., Ltd. is dedicated to supplying extensive range of Pipe, Valve, Flange, Pipe Fitting, Fastener, Gasket and related spare parts for oil, gas, petroleum industry service. And we offer Solar Power Supply System, such as Photovoltaic Panel in New Energy Field. Qishine. En. Made-in-China. com is our homepage, you are welcome to login for more details.
All Qishine′s products are manufactured by ISO, API, CE/PED and EU approved factories. Professional production, scientific management and good workforce, making our products are popular in Europe, American, Middle East, Asia and Africa. Our products are 100% inspected before packing with qualification EN10204- 3.1 certificates. And any third party inspection before delivery are welcome.
Our advantages:
One-stop shop service, save time and cost for clients. Best choice for EPC companies and projects′ construction.
Good quality goods.
Rich experience in exporting and projects service.
Competitive price.
Professional service.
Choose Qishine means you stand with reliability, high quality & Competitiveness!
The future of Qishine begins today, and it is focused on being the preferred supplier of steel pipeline materials. For this, it must be differentiated by offering maximum quality goods, giving the best service, with the best possible competitiveness, and this is what we work on continually.
Good quality + competitive price + professional service = Long-term win-win cooperation. Please give both of us the nice opportunity to work together. I believe it will be a great start. Expecting your nice enquiry and to be your long-term strategy partner soon.
Thank you for your support!