ZIZI ENGINEERING CO.,LTD
ZIZI ENGINEERING CO., LTD
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Zizi is China leading supplier of steel pipe caps, we manufacture and export carbon steel socket weld pipe cap and threaded pipe cap in any sizes and carbon steel grades. They are supplied with high quality and best price.
Steel pipe cap is a basic and popular fittings for stop the flow by covering the pipes' ends. It can be buttweld cap, socket weld cap and threaded cap, and both socket weld cap and threaded cap are forged and suitable for small diameter pipe system. Socket weld cap has strong and stable connection, and the connection of threaded cap is easy and fast.
Diameter: 1/8" to 4"
Pressure: 3000lb, 6000lb
Thread: NPT, BSPP, BSPT,PT
Diamter: 1/8" to 4"
Pressure: 3000LB, 6000LB, 9000LB
ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C
Chemical Composition
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| A350 LF2 | 0.3 | 0.6-1.35 | 0.035 | 0.04 | 0.15-0.3 | 0.02 | 0.3 | 0.12 |
| A105 | 0.15 | 0.6-1 | 0.035 | 0.04 | 0.1 | - | - | - |
Mechanical Properties
| Grade | Tensile Strength | Yield Strength | Elongation | HB |
| A350 LF2 | 485 – 655 (Mpa) | 250 (Mpa) | 22 (%) | 197 |
| A105 | 485 | 250 | 30 | - |
In Factory Inspection
Check the surface, marking, dimension and thread of carbon steel pipe cap.
Third Party Inspection
Features of Steel Pipe Cap