ASME B18.22.1 Plain Washer Manufacturer | Type A & B Inch Flat Washer | SAE & USS Standard | GFM-WCR System
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ASME B18.22.1 Plain Washer (Inch Series) Manufacturer
LONGZE high-performance ASME B18.22.1 Plain Washers are precision-engineered for the North American industrial market, providing superior load distribution for inch-series fastening systems. As a core element of the LONGZE Engineered Fastening System, these flat washers are available in Narrow (N) and Wide (W) series to meet specific bearing surface requirements. Our manufacturing process ensures strict adherence to dimensional tolerances and material integrity, supporting critical oil & gas, structural, and automotive assemblies.
Optimal factory-direct assembly for Inch-series high-load environments:
- 🔹 Bolt: ASME B18.2.1 / ASTM A325 / ASTM A490
- 🔹 Lock Washer: ASME B18.21.1 / DIN 127
- 🔹 Hex Nut: ASME B18.2.2 / ASTM A194 2H
LONGZE GLOBAL FASTENERS STANDARDS SYSTEM
Engineering Standard Mapping Layer (ASME → ISO → DIN)
LONGZE Technical Specification & Performance Lab
Engineering Reliability Center: Systematic verification of metallurgical properties, advanced anti-corrosion coatings, and dynamic load stability to ensure 100% compliance with global industrial safety standards.
1. Technical HUB
| Range | #0 to 3 inches |
| Материалы | Low Carbon / SS304 / SS316 |
| Type | Type A (Narrow / Wide) |
| Standards | ASME B18.22.1 |
| Compliance | ANSI Standards |
2. Surface Lab
| Простой | Lightly Oiled |
| Zinc Plated | ASTM B633 Clear/Yellow |
| HDG | ASTM A153 Class C/D |
| Black Oxide | MIL-DTL-13924 |
| Fluorocarbon | Xylan® Coatings |
3. QC Lab
| Thickness Tol. | +/- ANSI Standard |
| Flatness Test | Feeler Gauge Verify |
| Hardness | Rockwell B/C Scale |
| Salt Spray | Per ASTM B117 |
| Certifications | Full MTC 3.1 |
📊 ASME B18.22.1 Dimensional Matrix (Type A Narrow)
Dimensional Compliance Matrix: Inch-series geometric data for Type A Narrow (N) series, providing optimal clearance and support for hex cap screws and nuts. All values are in inches.
📥 DOWNLOAD OFFICIAL TECHNICAL DATA SHEET (TDS)
🛡️ LONGZE STRATEGIC RISK MANAGEMENT & RESILIENCE
Advanced mitigation protocols designed to protect global procurement chains from technical, logistical, and systemic failures.
- Technical Risk: Rockwell hardness testing across every batch to ensure compression resistance.
- Dimensional Risk: ID/OD concentricity checks to prevent interference with bolt shanks.
- Logistics Risk: Heavy-duty reinforced woven bags and steel-banded pallets for US-bound trans-shipments.
- Compliance Risk: Anti-dumping and customs tariff classification (HS Code 731822) expertise for efficient clearance.
- Material Buffer: Strategic stock of ASTM-compliant carbon steel and stainless alloys.
- High-Volume Capacity: Multi-station automated punching lines capable of millions of pieces per month.
- Redundancy: Multiple certified coating partners to ensure surface finish lead times are never compromised.
- Transparency: GFM-WCR tracking system connects raw material heat numbers to final shipment IDs.
Customized Fastening Solutions & Drawing Support
You can send me technical drawings or assembly requirements, and I will provide you with free technical solutions and optimization suggestions.
* Proposals for reference; final specs per customer approval.
Quality Assurance & Global Logistics Risk Control
Our dual-protection framework transforms international procurement risks into manageable engineering variables through strict legal compliance and transparent logistics evidence.
Q: What if the washer dimensions do not meet ASME B18.22.1 tolerances?
A: Quality is our red line. Any deviation from the signed Technical Data Sheet (TDS) or PI is subject to 100% replacement after internal verification. We guarantee precision for every inch.
Q: How do you ensure the heavy weight of flat washers doesn't cause damage during shipping?
A: We employ high-density packaging and reinforced palletizing. Full photographic evidence of the loading and seafastening process is provided for every container to ensure your cargo arrives intact.
V-SYSTEM Interconnectivity Matrix
The V-SYSTEM provides a synchronized data bridge between technical standards, procurement logic, and surface engineering. SYSTEM STATUS: TESTING IN PROGRESS
Direct Factory Connection & Technical Support
Bridge the gap between engineering requirements and manufacturing precision. Contact our director-level technical desk for immediate RFQ processing and material consulting.
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