Cold rolled steel coil and sheet
Cold rolled coils are hot rolled at room temperature and then temper rolled. The process results in greater dimensional tolerances, better surface finish and better carrier hard roll strength and hardness, reduced three-dimensional index, and can only be used for simple deformation of parts.
Great durability and has a longer service life than galvanized steel;Great heat resistance and is less prone to discoloration at high temperatures than galvanized steel sheets;
Great heat reflectivity;Similar processing performance and spraying performance as galvanized steel sheet;
Great welding performance.Great performance-price ratio, durable performance and extremely competitive price.
Cold rolled steel sheets and strips (JIS G 3141) | ||||||||
Steel type symbol | Skin-pass symbol | Steel grade | Chemical composition, % | |||||
C | Si | Mn | P | S | ||||
General purpose | SPCC | S | TAP8 | ≤0.10 | ≤0.08 | 0.20 - 0.50 | ≤0.035 | ≤0.035 |
8 | TAK8 | ≤0.08 | ≤0.08 | 0.20 - 0.40 | ≤0.025 | ≤0.030 | ||
4 | TAK10 | 0.08 - 0.12 | ≤0.10 | 0.30 - 0.60 | ≤0.030 | ≤0.035 | ||
2 | TAK12 | 0.10 - 0.14 | ≤0.10 | 0.30 - 0.60 | ≤0.030 | ≤0.035 | ||
1 | TAK20(*1) | 0.18 - 0.23 | ≤0.10 | 0.30 - 0.60 | ≤0.025 | ≤0.030 | ||
Drawing | SPCD | S | TAP8 | ≤0.10 | ≤0.08 | 0.20 - 0.50 | ≤0.035 | ≤0.035 |
TAK8 | ≤0.08 | ≤0.08 | 0.20 - 0.40 | ≤0.025 | ≤0.030 | |||
Deep | SPCE | S | TAK8 | ≤0.08 | ≤0.08 | 0.20 - 0.40 | ≤0.025 | ≤0.030 |
drawing |
JIS G 3141 standard | ||||
Steel type symbol | Chemical composition, % | |||
C | Mn | P | S | |
SPCC | ≤0.15 | ≤0.60 | ≤0.100 | ≤0.035 |
SPCD | ≤0.10 | ≤0.50 | ≤0.040 | ≤0.035 |
SPCE | ≤0.08 | ≤0.45 | ≤0.030 | ≤0.030 |
SAE standard | ||||
Steel type symbol | Chemical composition, % | |||
C | Mn | P | S | |
SAE1008 | ≤0.10 | 0.30 - 0.50 | ≤0.030 | ≤0.05 |
SAE1010 | 0.08 - 0.13 | 0.30 - 0.60 | ≤0.030 | ≤0.05 |
SAE1012 | 0.10 - 0.15 | 0.30 - 0.60 | ≤0.030 | ≤0.05 |
SAE1020 | 0.18 - 0.23 | 0.30 - 0.60 | ≤0.030 | ≤0.05 |
(1) Tensile strength, elongation, hardness, and bending tests of skin-passed materials (S) | ||||||||||||
Remarks | Steel type | Tensile strength, N/mm2 | Elongation, % | Hardness | Bending test | |||||||
Classification by nominal thickness, mm | Takasago special standard | |||||||||||
0.25≤ | 0.25≤ | 0.30≤ | 0.40≤ | 0.60≤ | 1.0≤ | 1.6≤ | 2.5≤ | HV | HRBS | |||
<0.30 | <0.40 | <0.60 | <1.00 | <1.6 | <2.5 | |||||||
General | SPCC-SB | - | - | - | - | - | - | - | - | ≤115 | ≤65 | Bend angle: 180° |
purpose | SPCCT-SB | 270≤ | 26≤ | 29≤ | 32≤ | 34≤ | 35≤ | 36≤ | 37≤ | ≤115 | ≤65 | Inner radius: adhesion |
Drawing | SPCD-SB | 270≤ | 28≤ | 31≤ | 34≤ | 36≤ | 37≤ | 38≤ | 39≤ | ≤115 | ≤65 | Test method: JIS No. 3 |
Deep drawing | SPCE-SB | 270≤ | 30≤ | 33≤ | 36≤ | 38≤ | 39≤ | 40≤ | 41≤ | ≤115 | ≤65 | Rolling direction |
*No. 5 test pieces are to be used for tensile testing. |
(2) Hardness and bending tests of hardened materials | ||||||
Skin-pass | Skin-pass symbol | Rockwell hardness | Vickers hardness | Bending test | ||
classification | HRBS | HV | Bending angle | Inner radius | Bending test piece | |
1/8 hardness | 8 | 50 - 71 | 95 - 130 | 180° | Adhesion | JIS No. 3 test piece |
1/4 hardness | 4 | 65 - 80 | 115 - 150 | 180° | Half of thickness | Rolling direction |
1/2 hardness | 2 | 74 - 89 | 135 - 185 | 180° | Equal to thickness | |
Full hard | 1 | 85≤ | 170≤ | - | - | |
*Normally, the bending test is omitted. |
Item | Colo Rolled Steel Coil |
Thickness | 0.5 mm-2 mm (coil) |
Width | 600 mm-2,000 mm |
Length (CR Sheet) | 1,200 – 6,000 mm |
Coil Weight | 3-5 tons (can be customized) |
Grades | Q195A-Q235A, Q195AF-Q235AF, Q295A(B)-Q345 A(B); SPCC, SPCD, SPCE, ST12-15; DC01-06 |
MOQ | 5 tons |
Delivery Time | 7-30 days (mainly depending on the order quantity) |
Processing Service | Bending, Cutting, Slitting, Punching, etc. |
Tolerance | ±1% |
Package | Standard Export Package |
Shandong Kuaima Steel Co., Ltd. has advanced special smelting, investment casting, pipe making and other production equipment. The company has 15 advanced production lines, which can independently produce hot/cold rolled steel, galvalume steel, galvanized steel, prepainted steel and stainless steel coils, strips, plates, plates, pipes, bars and other products. The standing inventory is more than 450,000 tons to meet the customer's demand for delivery time.
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We have professional testing equipment. We have our own testing center laboratory to guarantee the quality of our products.
thickness
width
coating quality
chromatic aberration
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We are a world-renowned Cold rolled steel coil and sheet exporter, Qatar, Ireland, Portugal,Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Italy, Libya, Ro-Fanaticism, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Philippines, Ghana, Slovakia, Germany,Saudi Arabia, Afghanistan, China, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece,Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus,Finland, Gabon, Iran, Canada, Argentina, Lebanon. other countries
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