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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 Stub End Lap Joint Fittings 1/2 Inch to 24 Inch SCH10S SCH80S
| Material Standard | ASTM A403 | Material Grade | WP304, WP304L |
|---|---|---|---|
| Type | Short Pattern, Long Pattern | Size Range | 1/2 Inch - 24 Inch |
| Wall Thickness | SCH10S, SCH20S, SCH40S, SCH80S | Connection Type | Butt Weld, Lap Joint |
| Standard | ASME B16.9, MSS SP-43 | Surface Treatment | Pickling, Polishing, Sand Blasting |
| Highlight | ASTM A403 Stub End,304L Lap Joint Stub End,SS Butt Weld Stub End |
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Premium ASTM A403 WP304/304L stainless steel stub ends manufactured for lap joint flange assemblies. Available in both short (MSS SP-43) and long (ASME B16.9) patterns to suit diverse piping configurations.
- Premium Material: ASTM A403 WP304/304L austenitic stainless steel with excellent corrosion resistance and formability
- Dual Pattern: Short pattern per MSS SP-43 for compact installations; long pattern per ASME B16.9 for standard applications
- Wide Size Range: 1/2 inch to 24 inch nominal diameter covering most industrial piping requirements
- Multiple Schedules: SCH10S through SCH80S wall thickness options for varying pressure ratings
- Certified Quality: ISO, TUV, and SGS certified manufacturing with full material traceability
| Parameter | Specification |
|---|---|
| Material Standard | ASTM A403 |
| Material Grade | WP304, WP304L |
| Size Range | 1/2" - 24" (DN15 - DN600) |
| Wall Thickness | SCH10S, SCH20S, SCH40S, SCH80S |
| Type | Short Pattern / Long Pattern |
| Standard | ASME B16.9, MSS SP-43 |
| Connection | Butt Weld End |
Ideal for various industrial applications including:
- Chemical processing plants
- Food and beverage industry
- Pharmaceutical pipelines
- Water treatment facilities
- Oil and gas refineries
- General industrial piping systems where frequent dismantling for inspection is required
Standard shipping package with protective end caps. Custom packaging available upon request. Delivery within 15-30 workdays from order confirmation. Supply capacity: 10 tons per month.

