TOBO STEEL GROUP CHINA
| End Type | Threaded |
| Tikeness | 5S-XXS |
| Supply Ability | 10 Ton/Month |
| Product Name | SS304/316L Butt Welded Pipe Cap SCH40/SCH80 ASME B16.9 Steel Pipe Fittings Cap |
| Technics | Hot press |
| Payment Terms | T/T, Western Union |
| Ordinary | 70mm;80mm;100mm; 150mm |
| Packing | Plastic bag,carton,Wooden Case |
| Material Grrade | UNS S32750 |
| Delivery Time | 15-30 Workdays |
| Certifications | ISO9001/2008,ISO14001,OHSMS18000 |
| Finish | Polished |
| Payment Term | T/T |
| Packaging Details | Standard Shipping Package |
| Name Product | pipe Cap |
| Type | Butt Weld Cap, Threaded Cap, Socket Weld Cap |
| Port | Shanghai, Ningbo |
| Testing | UT,RT,MT,PT,ET |
| Productname | Stainless Steel Pipe Cap |
| Wall Thickness | Schedule 40 |
| Model Number | Stainless Steel Pipe Cap |
| Brand Name | TOBO |
| Certification | ISO/TUV/SGS |
| Place of Origin | Shanghai,China |
View Detail Information
Explore similar products
Butt Weld Pipe Cap Stainless Steel Pipe Cap Incoloy 800 / WPNIC , Incoloy 825 /
TOBO Butt Welding Fitting Pipe Caps Sch 40 Carbon Steel Vent Pipe Fitting Caps
1'' ANSI B16.9 BW Stainless Steel Pipe End Cap 304/316L 31254 /32750 SCH 40
1” - 48” Stainless steel Pipe Cap A403 WP 316N-316Ti SCH5S – SCH160 ASME B16.9
Product Specification
| End Type | Threaded | Tikeness | 5S-XXS |
| Supply Ability | 10 Ton/Month | Product Name | SS304/316L Butt Welded Pipe Cap SCH40/SCH80 ASME B16.9 Steel Pipe Fittings Cap |
| Technics | Hot press | Payment Terms | T/T, Western Union |
| Ordinary | 70mm;80mm;100mm; 150mm | Packing | Plastic bag,carton,Wooden Case |
| Material Grrade | UNS S32750 | Delivery Time | 15-30 Workdays |
| Certifications | ISO9001/2008,ISO14001,OHSMS18000 | Finish | Polished |
| Payment Term | T/T | Packaging Details | Standard Shipping Package |
| Name Product | pipe Cap | Type | Butt Weld Cap, Threaded Cap, Socket Weld Cap |
| Port | Shanghai, Ningbo | Testing | UT,RT,MT,PT,ET |
| Productname | Stainless Steel Pipe Cap | Wall Thickness | Schedule 40 |
| Model Number | Stainless Steel Pipe Cap | Brand Name | TOBO |
| Certification | ISO/TUV/SGS | Place of Origin | Shanghai,China |
| High Light | SS304 butt welded pipe cap ，316L steel pipe fittings cap ，ASME B16.9 SCH40 pipe cap | ||
SS304/316L Butt Welded Pipe Cap SCH40/SCH80 ASME B16.9 Steel Pipe Fittings Cap
1. Product Description
The stainless steel pipe cap is a terminal closure fitting used to seal the open end of a pipe in a pressure piping system. It is manufactured through cold‑forming or hot‑pressing processes from premium stainless steel billets or plates, ensuring uniform grain structure and consistent wall thickness. Depending on the design, it can be hemispherical, elliptical, dished, or flat. The cap is joined to the pipe by full‑penetration butt welding, socket welding, or threaded connections. It is dimensionally accurate to applicable ASME, EN, and JIS standards, and is supplied with carefully prepared weld bevels (for butt‑weld types) or precisely cut threads (for threaded types) to facilitate easy and reliable installation.
2. Product Applications
As a permanent closure for dead‑end pipe runs in refinery, chemical, and petrochemical plants.
As a temporary plug during pipeline pneumatic or hydrostatic testing, and in pre‑commissioning phases.
For sealing branch connections in fire‑fighting systems, water supply networks, and HVAC installations.
In sanitary applications (food, dairy, beverage, pharmaceutical) to maintain product purity and allow clean‑in‑place (CIP) procedures.
For protecting pipe ends during long‑distance transportation and outdoor storage.
Used in offshore platforms, shipbuilding, and nuclear power plants where safety and reliability are critical.
3. Product Advantages
Outstanding resistance to pitting and crevice corrosion – especially with 316/316L and duplex grades, making them suitable for chloride‑rich environments.
Excellent weldability – low carbon content (L‑grades) prevents intergranular corrosion after welding.
Precision‑machined sealing surfaces – ensure leak‑tight closure under repeated thermal cycling and pressure fluctuations.
High dimensional consistency – produced under strict quality control, with bevel angles, roundness, and wall thickness tolerances meeting or exceeding standard requirements.
Versatile grade selection – from standard austenitic to super‑austenitic and duplex steels, covering a wide range of corrosive media and temperatures.
Traceability – each cap is marked with heat number, material grade, size, and schedule, enabling full material traceability.
Customizable surface finish – available in mill finish, pickled and passivated, or mechanically polished to mirror finish (Ra ≤ 0.8 µm for sanitary use).
4.Key Specifications
| Parameter | Details / Available Range |
| Material Grades | TP304, TP304L, TP316, TP316L, TP321, TP310S, TP347H, S31803 (Duplex 2205), S32750 (Super Duplex), 904L, N08904; also equivalent UNS and DIN designations. |
| Nominal Size | DN15 – DN1200 (1/2″ – 48″). Seamless caps up to DN600; welded caps from DN50 to DN1200. |
| Wall Thickness Schedules | SCH5S, SCH10S, SCH20, SCH30, SCH40S, SCH80S, SCH100, SCH120, SCH140, SCH160, XS, XXS. |
| End Connection Type | Butt weld ends (BW) with beveled ends per ASME B16.25; Socket-weld ends (SW) per ASME B16.11; Threaded ends (NPT or BSPT) per ASME B1.20.1. |
| Design / Manufacturing Standards | ASME B16.9 (for butt-weld caps), ASME B16.11 (for socket-weld and threaded caps), MSS SP 43 (for light-wall stainless steel butt-weld caps), EN 10253-3/4, JIS B2311/B2312. Material standards: ASTM A403, A182, A240. |
| Pressure Temperature Ratings | For threaded/socket-weld: Class 150, 300, 600 (up to 600 psi @ 100°F, derated at higher temperatures). For butt weld: rating matches the connected pipe schedule and material, typically up to Class 2500 (on request). |
| Operating Temperature Range | -196°C to +650°C (depending on grade – e.g., 316L up to 425°C, 310S up to 1000°C for oxidation resistance). |
| Surface Roughness (Sanitary) | Ra ≤ 0.8 µm (electropolished optional). |
| Non Destructive Testing (NDT) | Hydrostatic test (100% for threaded types), dye penetrant inspection, radiographic or ultrasonic examination available per customer specification. |
| Marking | Per MSS SP-25: size, schedule, material, heat number, and manufacturer's trademark. |
| Packaging | Wooden crates or steel pallets, with end protectors to prevent thread/bevel damage during transit. |
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.
2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
1998
Total Annual:
100000-100000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
Get in touch with us
Leave a Message, we will call you back quickly!