Cold rolled steel coil and sheet
Cold rolled steel coil and plates
Cold rolled steel coil and sheet china

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.

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Cold rolled steel coil and sheet Advantages

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.

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  • Cold rolled steel coil and plates size
  • Cold rolled steel coil and plates prodeucts
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Chemical Composition of Cold Rolled Steel Coil

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

Mechanical Properties of Cold Rolled Steel Coil

(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.

Product Specification of Cold Rolled Steel Coil

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)
GradesQ195A-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
contact icon call us now! +86-18365977887 Or write to us at Echo@kuaimasteel.com

Cold rolled steel coil and sheet production line

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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Cold rolled steel coil and sheet quality inspection

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

paint

thickness

hardness

luster

tensile strength

Yield Strength

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Cold rolled steel coil and sheet application industry

  • Machinery manufacturing industry
    Machinery manufacturing industry
  • Oil & Gas Industries
    Oil & Gas Industries
  •  Construction industry
    Construction industry
  • Shipbuilding industry
    Shipbuilding industry
  • Chemical industry
    Chemical industry
  • Power Generation
    Power Generation

Cold rolled steel coil and sheet outlet

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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