All Products
-
Butt Weld Fittings
-
Stainless Steel Elbow
-
Stainless Steel Tee
-
Stainless Steel Reducer
-
Stainless Steel Pipe Cap
-
Duplex Stainless Steel Pipe
-
Stainless Steel Stub Ends
-
Forged Pipe Fittings
-
Forged Steel Flanges
-
API Carbon Steel Pipe
-
Stainless Steel Seamless Pipe
-
Stainless Steel Welded Pipe
-
Nickel Alloy Pipe
-
Hastelloy Pipe
-
Copper Nickel Tube
-
Stainless Steel Plate
-
Stainless Steel Bars
-
Spiral Wound Gasket
-
Cast Acrylic Sheet
-
Brazil---AimeeIn the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate. -
Thailand ---Dave MulroyASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner . -
USA ---AlfaroASTM A182 F55 Super Duplex Flange ,Good quality , we like that ! And delivery time in time also ,very professional.
ASTM A403 WP304/304L Stainless Steel Concentric Reducer Butt Weld Pipe Fitting DN15-DN600 Seamless and Welded ASME B16.9
Product Details
| Type | Concentric Reducer, Eccentric Reducer | Material | ASTM A403 WP304, WP304L |
|---|---|---|---|
| Size Range | DN15-DN600 (1/2 Inch To 24 Inch) | Wall Thickness | SCH5S, SCH10S, SCH40S, SCH80S, STD, XS, XXS |
| Standard | ASME B16.9, ASME B16.28, MSS SP75, DIN2605, EN10253 | Form | Seamless And Welded |
| Highlight | Concentric Pipe Reducer,Butt Weld Reducer,WP304L Stainless Reducer |
||
Product Description
ASTM A403 WP304 304L Stainless Steel Concentric Reducer BW ASME B16.9 Butt Weld Pipe Fitting DN15-DN600
Product Overview
We supply premium ASTM A403 WP304/304L stainless steel concentric and eccentric reducers manufactured to ASME B16.9 standards. Our reducers provide smooth and reliable flow transition between pipes of different diameters in industrial piping systems including petrochemical, oil and gas, power generation, and water treatment applications.
Product Specifications
| Type | Concentric Reducer, Eccentric Reducer |
|---|---|
| Material | ASTM A403 WP304, WP304L |
| Size Range | DN15-DN600 (1/2" to 24") |
| Wall Thickness | SCH5S, SCH10S, SCH40S, SCH80S, STD, XS, XXS |
| Form | Seamless and Welded |
| Standard | ASME B16.9, ASME B16.28, MSS SP75, DIN2605, EN10253 |
| Surface Treatment | Pickled, Annealed, Shot Blasted |
| Application | Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction |
Dimension Chart (ASME B16.9 Concentric Reducer)
| DN | NPS | Large OD (mm) | Small OD (mm) | End to End H (mm) |
|---|---|---|---|---|
| 25x20 | 1x3/4 | 33.7 | 26.9 | 51 |
| 40x25 | 1-1/2x1 | 48.3 | 33.7 | 64 |
| 50x40 | 2x1-1/2 | 60.3 | 48.3 | 76 |
| 80x50 | 3x2 | 88.9 | 60.3 | 89 |
| 100x80 | 4x3 | 114.3 | 88.9 | 102 |
| 150x100 | 6x4 | 168.3 | 114.3 | 140 |
| 200x150 | 8x6 | 219.1 | 168.3 | 152 |
| 250x200 | 10x8 | 273.0 | 219.1 | 178 |
| 300x250 | 12x10 | 323.9 | 273.1 | 203 |
| 400x300 | 16x12 | 406.4 | 323.9 | 356 |
| 500x400 | 20x16 | 508.0 | 406.4 | 508 |
| 600x500 | 24x20 | 610.0 | 508.0 | 508 |
Material Grades Available
| Category | Grades |
|---|---|
| Stainless Steel | ASTM A403 WP304, WP304L, WP304H, WP316, WP316L, WP317, WP317L, WP321, WP321H, WP347, WP347H, WP904L |
| Carbon Steel | ASTM A234 WPB, WPC, A420 WPL3, WPL6, MSS-SP-75 WPHY 42/46/52/56/60/65/70 |
| Alloy Steel | ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
| Duplex & Super Duplex | ASTM A815 UNS S31803, S32205, S32750, S32760, S32550 |
| Other Materials | Monel, Nickel, Inconel, Hastelloy, Copper, Brass, Bronze, Titanium |
Quality Assurance
- 100% raw material with full mill test certificates and traceability
- ISO/TUV/SGS certified manufacturing facility
- Competitive pricing with fast delivery in 15-30 workdays
- Third-party inspection accepted (SGS, BV, TUV, DNV, ABS, LR)
- Professional export packing with plywood cases or pallets
- Non-destructive testing available: UT, RT, PT, MT
Recommended Products

