ASTM A403 Stainless Steel High Pressure Forged THD Threaded Coupling 1/8" to 4" Size Range 3000-9000 LBS Pressure Rating
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 - 60 working days
Brand:
Kasugai
Product Description
Product Overview
ASTM A403 stainless steel threaded couplings are precision-forged components designed for high-pressure piping systems. Manufactured from premium stainless steel materials, these couplings deliver exceptional corrosion resistance and long-term durability for demanding industrial applications.
Key Specifications
| Product Name | ASTM A403 WP304 ASME B16.11 Forged THD High Pressure Stainless Steel Threaded Coupling |
|---|---|
| Thread Type | ASME B1.20.1 (NPT), BS 21 (NSPT), DIN2999/259 |
| Size Range | 1/8" to 4" |
| Wall Thickness | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Standards | ASTM A403 |
| Pressure Class | 3000 LBS, 6000 LBS, 9000 LBS |
| Dimensions | ASME B16.11 |
Chemical Composition
ASTM A403 Chemical Compositions (%)
| Grade WP | UNS Designation | C | Mn | P | S | Si | Ni | Cr | Mo | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| WP304 | S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-11.0 | 18.0-22.0 | ﹍ | ﹍ |
| WP304L | S30403 | 0.030E | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-12.0 | 18.0-22.0 | ﹍ | ﹍ |
| WP310S | S31008 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 19.0-22.0 | 24.0-26.0 | ﹍ | ﹍ |
| WP316 | S31600 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | |
| WP316L | S31603 | 0.030E | 2.00 | 0.045 | 0.030 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | ﹍ |
| WP321 | S32100 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 9.0-12.0 | 17.0-19.0 | ﹍ |
Product Features & Benefits
- Easy installation and disassembly without specialized tools or welding
- Reliable leak-free threaded connections for both low and high-pressure applications
- Superior corrosion resistance against harsh environmental conditions
- Available in multiple stainless steel grades including WP304/L and WP316/L
- Suitable for engineering industry and energy conversion plant applications
Technical Dimensions
ASME B16.11 Threaded (THD) Coupling Dimensions
| NPS | B | L 2 | D 3000# | D 6000# | W |
|---|---|---|---|---|---|
| 1/8" | 6.4 | 6.7 | 16 | 22 | 32 |
| 1/4" | 8.1 | 10.2 | 19 | 25 | 35 |
| 3/8" | 9.1 | 10.4 | 22 | 32 | 48 |
| 1/2" | 10.9 | 13.6 | 28 | 38 | 48 |
| 3/4" | 12.7 | 13.9 | 35 | 44 | 51 |
| 1" | 14.7 | 17.3 | 44 | 57 | 60 |
| 1-1/4" | 17.0 | 18.0 | 57 | 64 | 67 |
| 1-1/2" | 17.8 | 18.4 | 64 | 76 | 79 |
| 2" | 19.0 | 19.2 | 76 | 92 | 86 |
| 2-1/2" | 23.6 | 28.9 | 92 | 108 | 92 |
| 3" | 25.9 | 30.5 | 108 | 127 | 108 |
| 4" | 27.7 | 33.0 | 140 | 159 | 121 |
Product Images
Note: Where an ellipsis (﹍) appears in the table, there is no requirement and the element need not be analyzed for or reported. The method of analysis for nitrogen shall be a matter of agreement between the purchaser and manufacturer. Columbium 0.10-0.30%; Vanadium 0.10-0.30%. For small diameter or thin walls, a carbon maximum of 0.04% is necessary in grades TP304L and TP316L.
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Company
Kasugai Shanghai Co., Ltd.
Location
Rm.8415, Bldg. A8, No. 808 Hongqiao Road, Xuhui District, Shanghai 200030, Chia
Contact Person
Chovy kasugai