Raised Face Flange Stockist and Mild Steel Bulk Order Guide
Finding reliable raised face flange stockists with competitive pricing for bulk orders is essential for project procurement. This guide covers stock availability, bulk pricing, and cost-saving strategies.
Raised Face Flange Overview
Raised face (RF) is the most common flange facing type in industrial applications:
RF Face Dimensions
- Class 150 and 300: 1.6mm (1/16 inch) raise
- Class 400 and higher: 6.4mm (1/4 inch) raise
- Serrated finish: 3.2-6.3 microns Ra
- Concentric or spiral serrations
Compatibilità delle guarnizioni
- Non-asbestos sheet gaskets
- Spiral wound gaskets
- Graphite gaskets
- PTFE gaskets
- Rubber gaskets for low pressure
A buon mercato Flangia in acciaio dolce ordine all'ingrosso
Mild steel flanges offer the most cost-effective solution for non-critical applications:
Material Grades
| Standard | Grado | Region |
|---|---|---|
| Chinese | Q235 | China |
| Japanese | SS400 | Japan/Asia |
| European | S235JR | Europe |
| American | A36 | USA |
Cost Comparison by Material
- Mild steel (Q235/SS400): Base price 100 percent
- Carbon steel (A105): Plus 15-20 percent
- Stainless 304: Plus 60-80 percent
- Stainless 316: Plus 100-120 percent
Bulk Order Pricing Tiers
| Quantità | Sconto | Vantaggi |
|---|---|---|
| 10-50 pezzi | 5-10 percent | Standard packaging |
| 50-100 pezzi | 10-15 percent | Priority production |
| 100-500 pezzi | 15-25 percent | Free inspection |
| 500 plus pieces | 25-35 percent | Dedicated support |
Specifiche del fornitore di flange DN100
DN100 (NPS 4) is one of the most commonly ordered flange sizes:
ASME B16.5 Classe 150
- Outside Diameter: 229mm
- Bolt Circle: 191mm
- Bolt Holes: 8 times 19mm
- Flange Thickness: 20.6mm
- Peso: Circa 3,8 kg
EN 1092-1 PN16
- Diametro esterno: 220 mm
- Cerchio dei bulloni: 180 mm
- Bolt Holes: 8 times 18mm
- Spessore della flangia: 20 mm
- Peso: Circa 3,5 kg
Flangia con certificazione CE per l'esportazione
European exports require comprehensive certification:
Requisiti di certificazione
- CE Marking mandatory
- PED 2014/68/EU compliance
- Notified Body involvement
- Documentazione tecnica
- Declaration of Conformity
Testing Requirements
- Material verification per heat
- Ispezione dimensionale
- Pressure testing
- Non-destructive testing
Stock Availability by Type
Commonly Stocked Items
- Carbon steel A105: All sizes DN15-DN600
- Stainless 304/316: DN15-DN300
- Mild steel Q235: DN15-DN400
- Blind flanges: All common sizes
Made to Order
- Alloy steel flanges
- Duplex and super duplex
- Large diameter DN700 plus
- Classi di pressione speciali
- Custom drilling patterns
Carbon Steel Flange Suppliers Selection
Key Selection Criteria
- Manufacturing capabilities and capacity
- Quality certifications (ISO, CE, PED)
- Material traceability (MTR available)
- Production lead times
- Export experience
- After-sales support
Red Flags to Avoid
- No material test reports
- Unrealistically low prices
- No quality certifications
- Poor communication
- No references or reviews
Stainless Steel Flange Manufacturers
Global manufacturing regions for stainless flanges:
By Country
- China: Largest producer, competitive pricing
- India: Growing capacity, good quality
- Italy: Premium quality, higher cost
- USA: Domestic supply, quick delivery
- Japan: High precision, excellent quality
Shipping and Logistics
- Trasporto via mare: 20-35 giorni per i porti principali
- Air freight: 5-7 days for urgent orders
- Trasporto ferroviario: 15-20 giorni per l'Europa
- Container optimization available
Termini di pagamento
- T/T: 30 percent deposit, 70 percent before shipment
- L/C a vista per grandi ordini
- Trade Assurance available
- Flexible terms for repeat customers
Songhai Flange is a professional raised face flange stockist with CE certification for export. We offer competitive pricing for mild steel bulk orders and maintain stock of common sizes for quick delivery.
WhatsApp: +86-18658777855
E-mail: 1007788887@qq.com
WhatsApp: +86-18658777855
E-mail: 1007788887@qq.com
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