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
ਗੈਸਕਟ ਅਨੁਕੂਲਤਾ
- ਗੈਰ-ਐਸਬੈਸਟਸ ਸ਼ੀਟ ਗੈਸਕਟ
- ਸਪਾਇਰਲ ਵਾਊਂਡ ਗੈਸਕੇਟ
- Graphite gaskets
- PTFE gaskets
- Rubber gaskets for low pressure
ਸਸਤੇ ਮਾਈਲਡ ਸਟੀਲ ਫਲੈਂਜ ਥੋਕ ਆਰਡਰ
Mild steel flanges offer the most cost-effective solution for non-critical applications:
Material Grades
| ਮਿਆਰੀ | ਗਰੇਡ | ਖੇਤਰ |
|---|---|---|
| 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
| ਮਾਤਰਾ | ਛੂਟ | ਲਾਭ |
|---|---|---|
| 10-50 ਟੁਕੜੇ | 5-10 percent | Standard packaging |
| 50-100 ਟੁਕੜੇ | 10-15 percent | Priority production |
| 100-500 ਟੁਕੜੇ | 15-25 percent | Free inspection |
| 500 plus pieces | 25-35 percent | Dedicated support |
DN100 ਫਲੈਂਜ ਸਪਲਾਇਰ ਵਿਸ਼ੇਸ਼ਤਾਵਾਂ
DN100 (NPS 4) is one of the most commonly ordered flange sizes:
ਏਐਸਐਮਈ ਬੀ16.5 ਕਲਾਸ 150
- Outside Diameter: 229mm
- Bolt Circle: 191mm
- Bolt Holes: 8 times 19mm
- Flange Thickness: 20.6mm
- ਭਾਰ: ਲਗਭਗ 3.8 ਕਿਲੋਗ੍ਰਾਮ
EN 1092-1 PN16
- ਬਾਹਰੀ ਵਿਆਸ: 220mm
- ਬੋਲਟ ਸਰਕਲ: 180mm
- Bolt Holes: 8 times 18mm
- ਫਲੈਂਜ ਦੀ ਮੋਟਾਈ: 20mm
- ਭਾਰ: ਲਗਭਗ 3.5 ਕਿਲੋਗ੍ਰਾਮ
ਨਿਰਯਾਤ ਲਈ CE ਪ੍ਰਮਾਣੀਕਰਨ ਵਾਲਾ ਫਲੈਂਜ
European exports require comprehensive certification:
ਪ੍ਰਮਾਣੀਕਰਨ ਦੀਆਂ ਲੋੜਾਂ
- CE Marking mandatory
- PED 2014/68/EU compliance
- Notified Body involvement
- ਤਕਨੀਕੀ ਦਸਤਾਵੇਜ਼
- ਅਨੁਕੂਲਤਾ ਦੀ ਘੋਸ਼ਣਾ
ਪਰਖ ਦੀਆਂ ਲੋੜਾਂ
- Material verification per heat
- ਆਯਾਮਿਕ ਜਾਂਚ
- ਦਬਾਅ ਟੈਸਟਿੰਗ
- 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
- ਖਾਸ ਦਬਾਅ ਦੀਆਂ ਕਲਾਸਾਂ
- Custom drilling patterns
Carbon Steel Flange Suppliers Selection
Key Selection Criteria
- Manufacturing capabilities and capacity
- Quality certifications (ISO, CE, PED)
- ਸਮੱਗਰੀ ਦੀ ਪਛਾਣਯੋਗਤਾ (MTR ਉਪਲਬਧ)
- Production lead times
- Export experience
- ਵਿਕਰੀ ਤੋਂ ਬਾਅਦ ਸਹਾਇਤਾ
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
- ਸਮੁੰਦਰੀ ਮਾਲ-ਭਾੜਾ: ਮੁੱਖ ਬੰਦਰਗਾਹਾਂ ਤੱਕ 20-35 ਦਿਨ
- Air freight: 5-7 days for urgent orders
- ਰੇਲ ਮਾਲ: ਯੂਰਪ ਲਈ 15-20 ਦਿਨ
- Container optimization available
ਭੁਗਤਾਨ ਦੀਆਂ ਸ਼ਰਤਾਂ
- T/T: 30 percent deposit, 70 percent before shipment
- ਵੱਡੇ ਆਰਡਰਾਂ ਲਈ ਨਜ਼ਰ-ਭੁਗਤਾਨ
- 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.
ਵਟਸਐਪ: +86-18658777855
ਈਮੇਲ: 1007788887@qq.com

ਵਟਸਐਪ: +86-18658777855
ਈਮੇਲ: 1007788887@qq.com

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