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LOKFOM GALVANIZED

SURABAYA TEKNIK / Kategori: , ,
Kode: -
Berat: 300 gram
Stok: Ready Stock
Dilihat: 269 kali
Review: Belum ada review
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Deskripsi LOKFOM GALVANIZED

 

lokfom-seng-galvaniz

 

 

 

 

Galvanized

MANUFACTURING
Continous Hot Dip Galvanizing line, technology by Bronx Australia
SURFACE TREATMENT 
Liquid chromat and resin
ADVANTAGE
– Thickness up to 3.80 mm while other products only up to 1:20 mm.
– Easy to be formed because it uses full soft annealed material
SPECIFICATIONS
CHEMICAL COMPOSITION OF BASE METAL

a.cold rolled steel (JIS G 3141)

cold%rolled%steel

b.hot rolled steel (JIS G 3131)

hot%rolled%steel

 

 FLATNESS (JIS G 3302)

a.Hot Rolled Base Metal

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Note:
Unless otherwise specified, one and half times the maximum deviation from flatness above shall be applied to the sheet of specified minimum tensile strength of 570 N/mm2, of specified minimum yield point of 430 N/mm2, or of equivalent one achieved by chemical composition or hardness.

b.Cold rolled Base Metal

cold%roled%base%metl

 

COATING MASS STANDARD (SNI 07-2053-2006)

sni%%%%
keterangan:
1. The average coating mass in the triple-spot test on both surfaces shall be the average of measured coatings masses of the three piecces cut from the test specimen.
2. The minimum coating mass at single spot on both surfaces shall be the smallest of the measured coating masses of three pieces cut from the test specimen.
3. The maximum coating mass on both surfaces may be agreed upon between the purchaser and manufacturer.

COATING MASS CLASS (SNI 07-2053-2006)

coating%mass%class

THICKNESS TOLERANCES OF BASE METAL (NOMINAL THICKNESS)

a. SNI 07-2053-2006 (unit.mm) CRC

sni%

b.JIS G 3302 (unit.mm) CRC

jis%g%%crc

c.JIS G 3302 (unit.mm) HRC-Commercial Quality

jis%g%%hrc

d.JIS G 3302 (unit.mm) HRC-Structural Quality

jis%hrc%struktural

 

CLASSIFICATION and DESIGNATION

classification%and%design

Note:
Equiry for a grade and nominal thickness other than the above, maybe produced based on the purchaser and the manufacturer agreement.

MECHANICAL PROPERTIES (JIS G 3302)

a.Hot Rolled Base Metal

mechanical%properti%%hot%rolled%

Note :
For grade SGHC, the yield point and tensile strength are normally at least 205 N/mm2 and 270 N/mm2 respectively.

b.Cold Rolled Base Metal

coled

Note :

  1. When non-aging property for the sheet and coil of SGCD3 is required, this property shall be guarantedfor the period of 6 months.
  2. For nominal thickness less than 0.25mm, tension test shall not, as a rule, be conducted.
  3. For grade SGCC, the yield point and tensile strength are normally at minimum 205 N/mm2 and 270 N/mm2 respectively.
  4. SGCH material are not subjected to annealing, usually having Rockwell Hardness (HRB) of 85 or more or a Vicker Hardness (VH) 170 or more. (The test load may be chosen appropriately).

PRODUCT AVAILABILITY OF GALVANIZED
product availability

STORAGE

SUPER LOKFOM GALVANIZED STORAGE

Sheets/coils have to be stored in a dry place (not humid), with good air circulationand protected from rain, wate spill, corrosive chemical, dew, ground, and other dirt.
If there is wet surface during storage, sheets/coils should be dried first before they put in storage.
Sheets/coils have to be covered with tarpaulin or other water proof material.There should be a gap between cover and   sheets/coils to allow air circulation.
Direct contact to earth, floor, dirt, waste, and water spill are not allowed.
During storage/usage/transportation, friction between sheets/coils should be avoided, because sharp edges of the sheets/coils can cause scratches to the surface of the other  sheets/coils.
Aviod water accumulation between sheets/coils.It causes water stains on the surface, called water defect.

 

 

 

 

 

 

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