Stud Bolts and Nuts
For Pressure-Temperature Piping
(ANSI B16.5)
Stud Bolts Size & Dimension Tolerance
Threads
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Normal Size or Diameter of Stud-bolt (D)
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D=1” (25mm) & Smaller
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D=1⅛“ (28mm) & Larger
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Thread
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INCH Series
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Unifiled Coarse Thread Series Class 2A and 2B ANSI B1.1
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Unifiled8-thread(3-pitch)Series Class 2A and 2B ANSI B1.1
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Metric Series
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METRIC Coarse Thread Series Class 6G and 6H JIS B0209/ISO 261
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METRIC 3-pitch Series Class 6G and 6H JIS B0209/ISO 261
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Dimension of Nuts
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INCH Series
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Conform to Heavy Hex Nuts of ANSI B18. 2. 2. Double Chamfered or Washer faced
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Metric Series
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Conform to Heavy Hex Nuts of ANSI B18. 2. 4.6M Double Chamfered or Washer faced
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Materials
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Conform to ASTM, ASME, JIS Specification (See details on page 20 ~23 of this catalog)
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Markings
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Identification Grade Markings shall conform to ASTM ASME designation for steel fasteners
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* PRODUCT
For Ultra Hi-Low Temperature
Hi Pressure Special Bolt & Nut
* CERTIFICATE
ISO 9001, ISO 9002, KEPIC (Korea Electric Power Industry Code)
* AVAILABLE STANDARD
▶ ASTM
▶ ASME
▶ ANSI
▶ ISO
▶ KS
▶ JIS
▶ DIN, BS, AS etc
* HWA SUNG FASTENERS IN USE
On/Off shore Facilities, Shipbuilding, Nuclear Power Plants, Thermal power plants,
Iron & Steel Plants, Oil Refinery Plants, Bridge, Process Plants, Desalination Plant,
Steel Tower, High-rise Buildings, Construction Equipments
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