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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
• Acabado dentado: 3,2-6,3 micras Ra
• Concentric or spiral serrations

Compatibilidad de juntas

• Non-asbestos sheet gaskets
• Spiral wound gaskets
• Graphite gaskets
• PTFE gaskets
• Rubber gaskets for low pressure

Cheap Mild Steel Flange Bulk Order

Mild steel flanges offer the most cost-effective solution for non-critical applications:

Material Grades

Estándar	Grado	Región
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

Quantity	Discount	Benefits
10-50 pieces	5-10 percent	Standard packaging
50-100 pieces	10-15 percent	Priority production
100-500 pieces	15-25 percent	Free inspection
500 plus pieces	25-35 percent	Dedicated support

DN100 Flange Supplier Specifications

DN100 (NPS 4) is one of the most commonly ordered flange sizes:

ASME B16.5 Class 150

• Outside Diameter: 229mm
• Bolt Circle: 191mm
• Bolt Holes: 8 times 19mm
• Flange Thickness: 20.6mm
• Weight: Approximately 3.8 kg

EN 1092-1 PN16

• Outside Diameter: 220mm
• Bolt Circle: 180mm
• Bolt Holes: 8 times 18mm
• Flange Thickness: 20mm
• Weight: Approximately 3.5 kg

Brida con certificación CE para exportación

European exports require comprehensive certification:

Requisitos de certificación

• CE Marking mandatory
• PED 2014/68/EU compliance
• Notified Body involvement
• Documentación técnica
• Declaración de conformidad

Testing Requirements

• Material verification per heat
• Control dimensional
• 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
• Special pressure classes
• Custom drilling patterns

Carbon Steel Flange Suppliers Selection

Key Selection Criteria

1. Manufacturing capabilities and capacity
2. Quality certifications (ISO, CE, PED)
3. Trazabilidad de materiales (MTR disponible)
4. Production lead times
5. Export experience
6. Asistencia posventa

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

• Sea freight: 20-35 days to major ports
• Air freight: 5-7 days for urgent orders
• Rail freight: 15-20 days to Europe
• Container optimization available

Payment Terms

• T/T: 30 percent deposit, 70 percent before shipment
• L/C at sight for large orders
• 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
Correo electrónico: 1007788887@qq.com

WhatsApp: +86-18658777855
Correo electrónico: 1007788887@qq.com