1/2" - 60" Size Stainless Steel Pipe Fittings Seamless End Cap High Strength
Brand Name:ZZ
Certification:ISO, CE
Model Number:Stainless Steel
Minimum Order Quantity:1 Piece
Delivery Time:5-15 Days
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Stainless Steel Pipe Cap SS 304, SS 316, Seamless End Cap ASME B16.9
Stainless Steel Pipe Cap Supplier
High quality stainless steel pipe fittings supplier Zizi provides SS 304 and SS 316 pipe elbow, tee, reducer, cap, coupling, nipple, union and plug in any sizes.
Pipe cap is used to stop the flow by block off the end. It is available in buttweld end, socket weld end and threaded end. The latter two are forged fittings, and buttweld cap is wrought. BW caps have large dimension range than forged type, it ends is further divided into plain and beveled. And according to the different technique, it also has seamless cap and welded cap.
Buttweld Pipe Cap Dimensions
| Standard | ASME/ANSI B36.19, B16.9 |
| Size | 1/2" - 60" |
| Thickness | Sch 10S, 20S, STD, 40S, 80S, 100, 120, 140, 160, XXS |
| End Type | BE and PE |
| Stainless Steel | ASTM A403 WP304/304L, WP304H, WP316/316L, WP310, WP317, WP321 |
| Duplex Steel | ASTM A815 UNS S 31803, S 32205, S 32550, S 32750, S 32760 |
| Carbon Steel | ASTM A234 WPB, A860 WPHY42, 52, 60, 65, 70 |
| Low Temp Carbon Steel | ASTM A420 WPL3, WPL6, WPL9 |
| Alloy Steel | ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
Stainless Steel 316 VS Stainless Steel 304
No matter among buttweld pipe fittings nor forged pipe fittings, the most popular and extensive used stainless steel is grade 316 and grade 304. Both are Austenitic stainless steel with excellent corrosion resistance and high strength. However, the specification for forged fittings is ASTM A182, while for buttweld fittings is ASTM A403.
Compared their chemical composition, we konw ASTM A403 WP316 contains Mo while A403 WP304 not has. This is an element that added to help resist corrosion to chlorides, so SS316 corrosion resistant better.
Chemical Composition of Stainless Steel 316
| C | Mn | P | S | Si | Ni | Cr | Mo |
| 0.035 | 2 | 0.045 | 0.03 | 1 | 10-14 | 16-18 | 2-3 |
Mechanical Properties of Stainless Steel 316
| Tensile Strength | Yield Strength | Elongation |
| 520 (Mpa) | 205 (Mpa) | 30 (%) |
Chemical Composition of Stainless Steel 304
| Grade | C | Mn | P | S | Si | Ni | Mo | Cr |
| SS 304 | 0.08 | 2 | 0.045 | 0.03 | 1.0 | 8-11 | - | 18-20 |
Mechanical Properties of Stainless Steel 304
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
| SS 304 | 515 | 205 | 20 |
Heat Treatment
Both SS316 and SS304 are treated by Pickling and Solution.
Stainless Steel Pipe Cap Calculation
The dimension of pipe cap is very extensive and diverse, so we bsed on our manufacture experience, we give you commonly used pipe cap's weight within 24 inch.
Seamless Pipe Cap
Package
- Marked with Grade, Lot No, Size, Standard and Pressure.
- Anti rust oil and plastic foam for the first.
- Packed small dimension pipe caps into wooden. Pallets for caps more than 20 inch.
- Tagged labers on the outside of the package for easy indentification.
Inspection
- Visual the surface. Including marking and appearance.
- Measure the size of every part. Such as diameter, thickness, height of end to end.
- Check chemical composition of material.
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1/2" - 60" Size Stainless Steel Pipe Fittings Seamless End Cap High Strength
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