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| 采购内容 |
Buy Full Hard Cold Rolled Steel Coils |
| 详细内容 |
Inquiry for 24,000 MT- Cold Rolled Full Hard (Unannealed)
NOTE: If you cannot offer to our EXACT SPECIFICATION then please do not offer
Please offer FOB Stowed,L,S w/Dunnage-(BULK SHIPMENT),w/name of load port, and minimum guaranteed load rate.
Payment: Sight LC for 100% from 1st Class EU Bank
1- PRODUCT
Full hard cold rolled steel coils, mill edge, no welds for cold rolled and galvanized products.
2- SPECIFICATION
SAE J 403, chemical class SAE 1006 modified
3- STEEL GRADE AND CHEMICAL COMPOSITION
Aluminum killed steel LD Steelmaking and Continuous Casting process, chemical composition (%):
C- 0,03 to 0,05, Mn- 0,25 to 0,35, P- 0,020max . S- 0,020max , Si - 0,020 max Ni- 0,04 max, Cr - 0.04 max Mo - 0.02 max Sn - 0.02 max Cu- 0,04 max Al- 0,02 to 0,06 N- 0,006 max Nb - 0,005 max Ti - 0,005 max B- 0,0005max V 0,006 max
4-DIMENSIONS ( mm ) -4000 MT per size (24,000 MT-Total)
ITEM Width (mm) Thickness (mm)
1 1200 1,50
2 1200 1,23
3 1200 1,20
4 1200 0,93
5 1200 0,90
6 1200 0,43
Applications:
Cold rolled products for tubes, profiles and galvanized products for roofing, siding and lock forming uses, and others commercial uses.
5- DIMENSIONAL TOLERANCES
5.1- Thickness
+ / - 4% of the nominal thickness (off gage: acceptable 1% max from the head and tail ends)
5.2- Width -0 / + 6mm
6- SHAPE TOLERANCES
6.1- Camber
2 mm in any 2000mm coil length.
6.2- Flatness (maximum deviation)
Edge wave- 2mm, Center buckle- 3mm, 15 units (i) maximum and no more than 2 waves/meter length.
The supplier must send the shape meter charts for all coils
Note: Guarantee material with light center buckle and without edge wave in one side.
6.3- Cold crown
0,020mm maximum
Note: For the Hot Rolled Coils, the maximum value of peak (high spot) acceptable is 0,005mm.
7- SURFACE REQUIREMENTS
7.1-Surface Quality
The steel strip shall be free from injurious defects such as:
corrosion, holes, roll marks, slivers, rolled in scale, laminations, scratches, neither any other defect that affects the process and/or change the appearance of the final product.
7.2-Superficial roughness
0,4 a 0,80 m mRa to thickness 0,60 mm or lower
0,7 to 1,20 m mRa to thickness 0,61 mm or higher.
7.3-Surface protection
Apply oil on both strip sides, residual, easy to remove during material processing.
Note: The physical chemistry characteristics of the oil should be informed previously by the supplier.
7.4-Surface cleanliness
The maximum amount of cold rolling residue ( oil + iron fines) must be 200mg/m2 per side.
Besides that, the iron fines amount must be 50mg/m2 maximum per side.
8-EDGES
Material must be trimmed in the Pickling Line.
The coils must be supplied with mill edges, free from injurious defects such as: handling damage, tears, folds, saw edge and others edge defects that can injure the final width and the material processing on Continuous Lines.
9.0- METALLURGICAL PARAMETERS AND PROCESS
9.1-Hot Rolling Temperatures
Finishing delivery temperature 910o / 950 °C
Coiling temperature 640o / 680 °C
9.2-Cold reduction
Must be over 60%.
9.3- Cleanliness
Nonmetallic inclusions: level one according to ASTM E45 thin series.
10-COILS CONDITIONS
10.1-Inside diameter
508 +/- 10mm
10.2-Tension coiling
Should be appropriated to avoid collapse and elbow in the eye of the coil.
10.3-Telescopicity
10 mm maximum. Loose wraps and protruding are not acceptable.
10.4-Coil weight (aiming the maximum weight)
21 to 25t
11-PACKING
Suitable to hold up shipping and handling and protection against oxidation of the material.
Thank you.
Country:United States
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| 联系方式 |
Co:American Steel Industries
Add:211 South Street, Suite #336, Philadelphia, Pennsylvania, United States 19147
Tel:1-215-917-1700
Fax:1-215-627-1042
Email:BBASILLC@aol.com
Website:http://www.asi-steel.com/
LinkMan:Mr. Barry Bernsten |
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