MATERIAL : ST-52 DIMENSI : D: 450 x d: 350 x L: 380 MM HOLLOW BAR
Key Specifications / Features
Detail Information
Material Grade:
200 series: 201,202,202Cu,204Cu,
300 series: 301,303/Cu,304/L/H,304Cu,305,309/S,310/S,316/L/H/Ti,321/H,347/H,330,
400 series: 409/L,410,416/F,420/F,430,431,440C,441,444,446,
600 series: 13-8ph,15-5ph,17-4ph,17-7ph(630,631),660A/B/C/D,
Duplex: 2205(UNS S31803/S32205),2507(UNS S32750),UNS S32760,2304,904L
Nickle alloy: 253MA,254SMo,nitronic 50,nitronic 60,nimonic 75,nimonic 80A,
nimonic 90,inconel 600,inconel 601,inconel 625,inconel 718,inconel 725,alloy 20,alloy 28,incoloy 800,incoloy 825/H,hastelloy C22,hastelloy C276,hastelloy X,monel 400,monel k-500 etc.
Other: 1.4057,1.4313,1.4362,1.4372,1.4378,1.4418,1.4482,1.4597,1.4615, 1.4662,1.4669,1.4913,1.4923 etc
Length: 3000mm, 6000mm or according to the customer's requirement.
Type : Round bar, square bar, flat bar, hexagon bar, angle bar, channel bar, threaded bar
Use: Petroleum, chemical, construction, textile, medicine, aviation, aerospace, railway, highway, landscape protection, metallurgical machinery and other fields.
Surface: bright,pickled,black
Technique: Forged/Hot Rolled/Hot Drawn/Cold Rolled
Shape:
Round bar Diameter: 1mm~400mm
Angle bar Size: 1mm*20mm*20mm ~20mm*100mm*100mm
Square bar Size: 3mm*3mm~500mm*500mm
Flat bar Thickness: 1mm~500mm
Width: 10mm~1000mm
Hexagonal Size: 1mm~100mm
Package: Standard seaworthy packing(plastic&wooden) or according to the customer's requests
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FAQs
Most circular knitting machines can work with a wide range of yarn materials, including wool, cotton, acrylic, and blends. However, it is important to check the machine’s specifications to ensure compatibility.
Modern valve packing systems use advanced engineered materials designed for durability, chemical resistance, and low friction performance. The most widely used material is flexible graphite, which offers excellent thermal stability (often up to 450–600°C in oxidizing environments and higher in non-oxidizing conditions).
To enhance strength and extrusion resistance, graphite packing is often reinforced with materials such as:
Inconel wire mesh reinforcement for high-pressure applications
Carbon fiber or aramid fiber layers for mechanical stability
PTFE-based components for chemical resistance in corrosive media
In some specialized applications, hybrid packing structures are used, combining multiple layers to balance sealing performance, friction control, and wear resistance.
Industrial gasket materials are selected based on operating conditions such as temperature, pressure, and chemical compatibility. Common categories include:
Flexible Graphite Gaskets: Excellent for high-temperature and high-pressure applications. Resistant to thermal cycling and widely used in hydrocarbon and steam systems.
PTFE and Expanded PTFE (ePTFE) Gaskets: Provide superior chemical resistance, making them ideal for corrosive media such as acids, solvents, and chlorides.
Spiral Wound Gaskets (Graphite + Metal Strip) : Designed for high-pressure flange connections, combining resilience of metal with sealing ability of soft fillers like graphite or PTFE.
Metal Jacketed or Solid Metal Gaskets: Used in extreme pressure and temperature environments where mechanical strength is critical.
Each gasket type is engineered to meet different sealing requirements, and proper selection ensures both safety and long-term reliability.
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