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
Compatibilité des joints
- Joints en feuilles sans amiante
- Joints spiralés
- Graphite gaskets
- PTFE gaskets
- Rubber gaskets for low pressure
Bride en acier doux à bas prix Commande en vrac
Mild steel flanges offer the most cost-effective solution for non-critical applications:
Grades de matériaux
| Standard | Grade | 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
| Quantité | Remise | Avantages |
|---|---|---|
| 10-50 pièces | 5-10 percent | Standard packaging |
| 50-100 pièces | 10-15 percent | Priority production |
| 100-500 pièces | 15-25 percent | Free inspection |
| 500 plus pieces | 25-35 percent | Dedicated support |
Spécifications du fournisseur de brides 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
- Poids : Environ 3,8 kg
EN 1092-1 PN16
- Diamètre extérieur : 220 mm
- Cercle de boulonnage : 180mm
- Bolt Holes: 8 times 18mm
- Épaisseur de la bride : 20 mm
- Poids : Environ 3,5 kg
Bride avec certification CE pour l'exportation
European exports require comprehensive certification:
Exigences en matière de certification
- CE Marking mandatory
- PED 2014/68/EU compliance
- Notified Body involvement
- Technical documentation
- Declaration of Conformity
Exigences en matière d'essais
- Material verification per heat
- Contrôle dimensionnel
- Essais sous pression
- 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
- Classes de pression spéciales
- Custom drilling patterns
Carbon Steel Flange Suppliers Selection
Key Selection Criteria
- Manufacturing capabilities and capacity
- Quality certifications (ISO, CE, PED)
- Traçabilité des matériaux (MTR disponible)
- Production lead times
- Export experience
- Assistance après-vente
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
- Transport maritime : 20-35 jours vers les principaux ports
- Air freight: 5-7 days for urgent orders
- Fret ferroviaire : 15-20 jours vers l'Europe
- Container optimization available
Conditions de paiement
- T/T: 30 percent deposit, 70 percent before shipment
- L/C à vue pour les commandes importantes
- 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
Courriel : 1007788887@qq.com
WhatsApp : +86-18658777855
Courriel : 1007788887@qq.com
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