Cold Pressing
Taking advantage of the characteristics of plastic deformation of metal, the microscopic convex peaks on the surface of the workpiece are flattened by applying pressure, thereby reducing the surface roughness. High pressure is applied in the mold cavity to make a compact molded blank. Including surface rolling, surface extrusion processing, etc. Suitable for polycarbonate, polypropylene and other materials. By cold pressing processing, the tensile strength and elastic modulus of the material can be improved.
Size range
☆Seamless, DN15 - DN600 (1/2"~24");
The following is the dimensions of the DN15 to DN600 seamless tube caps, whose outer diameter is usually consistent with the outer diameter of the seamless steel tube of the corresponding nominal diameter:
- DN15: Outer diameter 22mm.
- DN20: Outer diameter 27mm.
- DN25: Outer diameter 34mm.
- DN32: Outer diameter 42mm.
- DN40: Outer diameter 48mm.
- DN50: Outer diameter 60mm.
- DN65: Outer diameter 76mm (partially there are also 73mm).
- DN80: Outer diameter 89mm.
- DN100: Outer diameter 114mm.
- DN125: Outer diameter 140mm.
- DN150: Outer diameter 168mm.
- DN200: Outer diameter 219mm.
- DN250: Outer diameter 273mm.
- DN300: Outer diameter 324mm.
- DN350: Outer diameter 360mm.
- DN400: Outer diameter 406mm.
- DN450: Outer diameter 457mm.
- DN500: Outer diameter 508mm.
- DN600: Outer diameter 610mm.
The models of seamless tube caps are usually divided according to the material, connection method, execution standards, etc. In terms of materials, there are carbon steel, stainless steel, etc.; the connection method is generally welding, etc.; the common standards for implementing standards include GB/T 12459 and other related pipe fitting standards. The wall thickness is usually between 3 and 20mm, and the specific values will vary depending on the use scenario, pressure requirements, etc.
☆Welded, DN15 - DN1200 (1/2"~48")
The specifications and models of welded pipe caps are usually divided according to the material, connection method, execution standards, etc. Materials include carbon steel, stainless steel, alloy steel, etc.; the connection method is welding; the implementation standards include GB/T 12459-2017, GB/T 13401-2017, etc. The following is the dimension information of the DN15 to DN1200 welded pipe caps, whose outer diameter is usually consistent with the outer diameter of the steel pipe of the corresponding nominal diameter:
- DN15: Outer diameter 21.3mm.
- DN20: Outer diameter 26.9mm.
- DN25: Outer diameter 33.7mm.
- DN32: Outer diameter 42mm.
- DN40: Outer diameter 48.3mm.
- DN50: Outer diameter 60mm.
- DN65: Outer diameter 76.1mm.
- DN80: Outer diameter 88.9mm.
- DN100: Outer diameter 114.3mm.
- DN125: Outer diameter 140mm.
- DN150: Outer diameter 168.3mm.
- DN200: Outer diameter 219.1mm.
- DN250: Outer diameter 273mm.
- DN300: Outer diameter 324mm.
- DN350: Outer diameter 360mm.
- DN400: Outer diameter 406mm.
- DN450: Outer diameter 457mm.
- DN500: Outer diameter 508mm.
- DN600: Outer diameter 610mm.
- DN800: Outer diameter 813mm.
- DN1000: Outer diameter 1016mm.
- DN1200: Outer diameter 1219mm or 1220mm (slightly different standards may vary).
The wall thickness of the welded pipe cap is usually between 2 and 20mm, and the specific values will vary depending on the use scenario, pressure requirements, etc. Other dimensions such as length must be determined according to specific standards and design requirements.
Manufacturing standard
National standard: GB/T12459, GB/T13401, HG/T21635, HG/T21631
American standard: ASME/ANSI B16.9 MSS SP43
Japanese standard: JIS B 2311/2220
German standard: DIN2605/2616/2615/2617
Russian standard: GOST 17375/17376 and so on
Non-standard customized processing drawings are also acceptable
Pressure rating: SCH5S-SCH160; XXS
Material
Stainless steel OCr18Ni9 grade, 0Cr18Ni9Ti, 1Cr18Ni9Ti; 304, 304L, 316, 316L, 316Ti, 317, 317L, 321, 321H; 1.4301, 1.4306, 1.4401, 1.4435, 1.4571, 1.4436, 1.4438, 1.4541; 08X18H10(0X18H10), 03X18H11(000X18H11), 03X17H14M2 (000X17H13M2), 08X18H10T(0X18H10T) and so on
Dual phase stainless steel ASTM A815-S31803,S32205,S32750,S32760
Super stainless steel ASTM 904L,B366-N08904,A403-WP317,317L,254SMO(UNS S31254)
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