“Full hard cold rolled steel coils” in the 107th China Canton Fair.
Full hard cold rolled steel coils
Inquiry for 24,000 MT- Cold Rolled Full Hard
NOTE If you cannot offer to our EXACT SPECIFICATION then please do not offer
Please offer FOB Stowed,L,S w/Dunnage-,w/name of load port, and minimum guaranteed load rate.
Payment Sight LC for 100% from 1st Class EU Bank
Full hard cold rolled steel coils, mill edge, no welds for cold rolled and galvanized products.
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 -4000 MT per size
ITEM Width Thickness
1 1200 1,50
2 1200 1,23
3 1200 1,20
4 1200 0,93
5 1200 0,90
6 1200 0,43
Cold rolled products for tubes, profiles and galvanized products for roofing, siding and lock forming uses, and others commercial uses.
5- DIMENSIONAL TOLERANCES
+ / – 4% of the nominal thickness
5.2- Width -0 / + 6mm
6- SHAPE TOLERANCES
2 mm in any 2000mm coil length.
Edge wave- 2mm, Center buckle- 3mm, 15 units 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
Note For the Hot Rolled Coils, the maximum value of peak acceptable is 0,005mm.
7- SURFACE REQUIREMENTS
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.
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.
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.
The maximum amount of cold rolling residue must be 200mg/m2 per side.
Besides that, the iron fines amount must be 50mg/m2 maximum per side.
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 掳C
Coiling temperature 640o / 680 掳C
Must be over 60%.
Nonmetallic inclusions level one according to ASTM E45 thin series.
508 +/- 10mm
Should be appropriated to avoid collapse and elbow in the eye of the coil.
10 mm maximum. Loose wraps and protruding are not acceptable.
21 to 25t
Suitable to hold up shipping and handling and protection against oxidation of the material.
CompanyNameAmerican Steel Industries
Add211 South Street, Suite #336, Philadelphia, Pennsylvania, United States 19147
LinkManMr. Barry Bernsten
Mineral Raw Materials
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