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Brief Specification
20’ × 8’ × 8’ 6” MGSS REEFER CONTAINER
BASE STRUCTURE:
CORTEN CORRUGATED TYPEEND FRAME: CORTEN
SIDE / ROOF PANEL: MGSS
DOOR PANEL: MGSS
SPC. NO.: S-S20-03-000D
DRAWING NO.: S20-03GD-000D
1. GENERAL
Standards: ISO, CSC, UIC, and TIR.
Classification: BV, ABS, GL, LR or CCS.
Installed reefer unit: To be discussed.
2. DIMENSIONS & RATINGS
2.1 Dimensions (Unit Installed)
Dimension External (mm / inch) Internal (mm / inch)
Length 6,058 0 –6 (19’-10 1/2” 0 –15/64”) 5,456 0/-10 (17’-10 51/64” 0 –15/32”)
Width 2,438 0 –5 ( 8’ 0 –3/16”) 2,294 0/-8 ( 7’ - 6 5/16” 0 – 5/16”)
Height 2,591 0 –5 ( 8’-6 0 –3/16”) 2,273 0/-10 ( 7’ - 5 31/64” 0 –25/64”)
2.2 Internal capacity
28.4 m3 (1003 Cu.ft)
2.3 Door opening dimensions
Width 2,290 0/-5mm (7’-6 5/32” 0 -3/16”)
Height 2,264 0/-5mm (7’-5 9/64” 0 -3/16”)
Cargo access height 2,221 0/-5mm (7’-3 7/16” 0 -3/16”)
2.4 Forklift pocket dimensions
Width 360mm
Height 115mm
Center Distance 2,050mm
2.5 Ratings
Max. Gross Weight 30,480kg (67,200 LBS)
Tare Weight 2,400kg ( 5,290 LBS)
Tare Weight (incl. Unit: 540kg) 2,940kg ( 6,480 LBS) as per weight of RF. unit
Max. Payload 27,540kg (60,720 LBS) as per weight of RF. unit
2.6 Insulation
Item Thickness (mm) * Overall Density (kg/cu.m) ** Core Density (kg/cu.m) **
Roof 80 50 40
Side walls 60 65 50
Door panels 74 65 50
Floor 76/110 60 45
* Thickness: excluding the thickness of outer and inner claddings.
* Density: the average density not less than -5%.
2.7 Heat leakage value U
max = 21 kcal / deg.c.hr. at the mean wall temperature 293K (20 ℃) (including reefer unit.)
2.8 Max. air leakage value Q
max = 5 m3/hr. (incl. Reefer unit max. 0.5m3/h) measured at 250±10Pa.
3. MATERIAL
3.1 Materials of main parts
Item Part Material Note
1 Front sill & inner CORTEN A or Equivalent T=4.0/4.0
Front header & protector T=4.0/3.5
Front corner post & inner T=6.0/3.0 (close)
Door sill & inner T=6.0/4.0
Rear header & inner T=4.0/3.5
Rear corner post outer & inner (A) T=6.0/6.0
Top side rail T=4.0
Bottom side rail-upper & lower T=4.0/4.5
Forklift pocket & reinforcement T=6.0/6.0
Subfloor T=1.6
Side post T=3.0/1.6
2 Side panel MGSS T=1.0
Roof panel T=0.8
Door panel T=1.6
Side stringer T=0.8
Roof bow T=0.8
Clip on device angle T=4.0
Hinge lug T=6.0
3 Side lining HGSS T=0.7
Door lining T=0.7
4 Roof lining 5052-H44 T=0.8(pre-painted)
5 Corner fitting SCW49
6 Generator fitting nut HGSS
7 Floor rail & floor stringer 6061-T6
8 Rear corner post inner (B) SS50 T=10.0
9 Door hinge SS41 H.D.G.
10 Door lock Forged steel H.D.G.
11 Insulation tape Electrolytic buffer of P.E.or P.V.C.
12 Foam tape Adhesive of P.V.C.
13 Insulation foam 1) Rigid polyurethane foam
2) Blowing agent: R141b (HCFC)
14 Exposed sealer MS (inner) Silicone (outer)
15 Hidden sealer Butyl
4. CONSTRUCTION
4.1 Container frame
castings. The side frame will be welded to top and bottom side rail .Top and bottom side rails
to be of cold rolled sections.
Two (2) sets of Generator Mounting device will be provided on front header and corner posts
for clip on type generator sets.
End frames shall be made of pressed steel, welded to the upper and lower ISO-corner
4.2 Insulated floor
The floor shall be composed of corrugated Corten subfloor and extrusion aluminum T-floor rail
with insulation of polyurethane. The T-floor will be reinforced with extruded aluminum profiles
and One pair of forklift pocket will be provided.
Front/Rear end equipped with 4 sets of auto type drains.
4.3 Insulated side walls
Outer cladding shall be made of automatically butt-welded MGSS sheets with vertical tension
corrugations reinforced by Corten side posts. Inner linings shall be of HGSS sheets with
vertical tension corrugations reinforced by MGSS side stringers. Insulation of PU foam.
4.4 Insulated roof
Outer cladding shall be made of automatically butt-welded MGSS sheets with tension
corrugations reinforced by MGSS roof bows. Inner lining shall be die-stamped corrugated
aluminum pre-painted sheets to be jointed by pressing and reinforced by AL roof stringers.
Insulation of PU foam.
4.5 Insulated rear door
Composed of MGSS steel outer panel and corrugated HGSS stainless steel inner lining with
polyurethane insulation reinforced by beams.
Each door is suspended by hot dip galvanized steel hinges with bushes and washers placed at
the MGSS hinge lug of the rear corner post.
Door gasket: Outer: E.P.D.M. “C” section double lips; Inner: EPDM “O” section.
Locking rod ass’y: Saejin, Haihang or equivalents type. Treatment: hot dip galvanized (70u).
5. PRESERVATION
1. All CORTEN steel parts shall be shot-blasted to Swedish Standard SA 2.5.
2. All CONTEN steel out surface shall be primed with 30 microns Zinc rich primer, 50 microns of Epoxy phosphate primer and 40 microns of Acrylic top coating.
3. All MGSS parts (roof and side panel) shall be primed with 40 microns Epoxy phosphate primer and 40 microns of Acrylic top coating.
4. Door panel shall be primed with 40 microns Epoxy phosphate primer and 40-50 microns of Polyurethane top coating.
5. Under structure shall be primed with 30 microns Zinc rich primer, 40 microns Epoxy phosphate primer and 150microns of Bitumen.
6. The painting supplier will be KCC, KANSAI, CHUGOKU or HEMPEL.
7. The body color shall be white or light grey or nominated by owner.
6. MARKING
ISO and owner’s marking shall be made of self-adhesive PVC vinyl foils. Data plate will be of stainless steel.
7. TESTING & INSPECTION
As per requirement of ISO, the tests shall be carried out in our factory under the supervision and the certification of the Classification Society.
7.1 Proposed criteria table for general prototype Item Test Load and Method
7.1.2 Lifting by top Internal load: 2R-T (vertical) Corner fitting
7.1.3 Lifting by bottom Internal load: 2R-T (45deg) Corner fitting
7.1.4 Fork pocket lifting Internal load: 1.6 R-T
7.1.5 Floor Strength 7,260kg (16,000LBS)
7.1.6 Restraint R /side
7.1.7 End Wall Strength 0.4P Uniform Load by Air Bag
7.1.8 Side Wall Strength 0.6P Uniform Load by Air Bag
7.1.9 Roof Strength 300kg (300
7.1.10 Racking (transverse) 15,240kgs
7.1.11 Racking (longitudinal) 7,620kgs
7.1.12 Air-tightness Test
7.1.13 Thermal Test In accordance with ISO requirement.
7.1.14 Performance test In accordance with ISO requirement.
7.2 Batch test
One (1) units out of every 250 containers.
8. GUARANTEE
8.1 Paint guarantee: 5 years.
8.2 Decal guarantee: 7 years.
8.3 Other guarantee: 1 year.