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Saturday, 24 October 2009

Ductile Iron Pipe And Fittings

Flanged

ANSI/AWWA C110/A21.10-03 Ductile Iron and Gray Iron Fittings for Water ANSI/AWWA C153/A21.53-00 Ductile Iron Compact Fittings for Water ANSI/AWWA C115/A21.15-05 Ductile Iron Pipe with Threaded Flanges

Threaded
ASME B16.3 Malleable Iron Threaded Fittings




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Commercial Pipe And Fittings

Butt Welded
ASME B16.9 Factory-Made Wrought Butt Welding Fittings

Flanged
ASME B16.5 Pipe Flanges and Flanged Fittings

Threaded
ASME B16.11 Forged Fittings, Socket-Welding, and Threaded ASTM D 2464 and D 2467 PVC Schedule 80 Threaded Fittings ASTM D 2466 PVC Schedule 40 Socket and Threaded Fittings ASTM F 437 CPVC Schedule 80 Threaded Fittings

Socket Welded
ASME B16.11 Forged Fittings, Socket-Welding, and Threaded

Glued
ASTM D 2464, D 2466, D 2467, F 439 CPVC Schedule 80 Socket Fittings


Grooved
Sizes taken from manufacturer’s cutsheets

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Sunday, 18 October 2009

Klasifikasi Stainless Steels

TYPE 304
The most commonly specified austenitic (chromium-nickel stainless class) stainless steel, accounting for more than half of the stainless steel produced in the world. This grade withstands ordinary corrosion in architecture, is durable in typical food processing environments, and resists most chemicals. Type 304 is available in virtually all product forms and finishes.

TYPE 316
Austenitic (chromium-nickel stainless class) stainless steel containing 2%-3% molybdenum (whereas 304 has none). The inclusion of molybdenum gives 316 greater resistance to various forms of deterioration.

TYPE 409
Ferritic (plain chromium stainless category) stainless steel suitable for high temperatures. This grade has the lowest chromium content of all stainless steels and thus is the least expensive.

TYPE 410
The most widely used martensitic (plain chromium stainless class with exceptional strength) stainless steel, featuring the high level of strength conferred by the martensitics. It is a low-cost, heat-treatable grade suitable for non-severe corrosion applications.

TYPE 430
The most widely used ferritic (plain chromium stainless category) stainless steel, offering general-purpose corrosion resistance, often in decorative applications.




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ASTM International Steel - Piping, Tubing, Fittings

Beberapa bagian dari ASTM International Volume 01.01, January 2002

* A53/A53M-01 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A-53B This general service carbon steel pipe is electrical resistance welded. This grade is typical Schedule 40 and 80 pipe. It is well suited for fabrication, and may be used for pressure vessels with pressure and temperature limitations.
Often used for oil, water, gas and petroleum products.

* A105/A105M-01 Standard Specification for Carbon Steel Forgings for Piping Applications
This specification covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. Included are flanges, fittings, valves, and similar parts ordered either to dimensions specified by the purchaser or to dimensional standards such as the ASME and API specifications referenced in Section.

* A106-99e1 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
The specification covers seamless carbon steel pipe for high-temperature service in NPS 1/8 to NPS 48 inclusive, with nominal (average) wall thickness as given in ANSI B 36.10. It shall be permissible to furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification. Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding.


* A134-96 Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over)
* A135-01 Standard Specification for Electric-Resistance-Welded Steel Pipe
* A139-00 Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
* A178/A178M-95(2000) Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes
* A179/A179M-90a(1996)e1 Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes
* A181/A181M-01 Standard Specification for Carbon Steel Forgings, for General-Purpose Piping
* A182/A182M-01 Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
* A192/A192M-91(1996)e1 Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service
* A193/A193M-01a Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service
* A194/A194M-01a Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure or High-Temperature Service, or Both
* A209/A209M-98 Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
* A210/A210M-96 Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes




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Flatsheet

Flatsheet atau plat yang berbentuk lembaran rata Paling banyak digunakan untuk :

- Chemical Processing Plants
- Electronic Manufacturing Facilities
- Meat Processing Plants
- Plating Facilities
- Bottling Facilities




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Wednesday, 7 October 2009

Cara Menghitung Berat Besi

- Besi Beton
DIA x DIA x 0,006165 x 12

- Besi Strip
Tebal x Lebar x 0,00785 x 6 Meter

- Besi Plat
3’ x 6’ = Tebal x 13,13 = Berat
4’ x 8’ = Tebal x 23,33 = Berat
5’ x 20’ = Tebal x 72,9 = Berat
6’ x 20’ = Tebal x 87,5 = Berat

- Plat Kapal
Inch x 25,4 x 72,88 / 87,44

- Besi Siku
Lebar x Tebal x 6 Meter x 1512 = Berat



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