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Products Specification: Q/320223AAJ001-89 JG-N-20-32/0.4-I |
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A.Raw material : Ordinary carbon steel |
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B.Product specification |
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Brand |
Grade |
Chemical compostion % |
|
¡¡ |
¡¡ |
C |
Mn |
Si ¡Ü |
S |
P |
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Q195 |
¡ª |
0.06¡«0.12 |
0.25¡«0.50 |
0.3 |
0.05 |
0.045 |
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Q215 |
A |
0.09¡«0.15 |
0.25¡«0.55 |
0.3 |
0.05 |
0.045 |
|
¡¡ |
B |
¡¡ |
¡¡ |
¡¡ |
0.045 |
¡¡ |
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Q235 |
A |
0.14¡«0.22 |
0.30¡«0.65 |
0.3 |
0.05 |
0.045 |
|
¡¡ |
B |
0.12¡«0.20 |
0.30¡«0.70 |
¡¡ |
0.045 |
¡¡ |
|
¡¡ |
C |
¡Ü0.18 |
0.35¡«0.80 |
¡¡ |
0.04 |
0.04 |
|
¡¡ |
D |
¡Ü0.17 |
¡¡ |
¡¡ |
0.035 |
0.035 |
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Q255 |
A |
0.18¡«0.28 |
0.40¡«0.70 |
0.3 |
0.05 |
0.045 |
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¡¡ |
B |
¡¡ |
¡¡ |
¡¡ |
0.045 |
¡¡ |
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Q275 |
¡ª |
0.28¡«0.38 |
0.50¡«0.80 |
0.35 |
0.05 |
0.045 |
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Note£ºQ195 Grade A, B content of boiling Manganese steel ¡Ü0.6% |
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B. Raw material: Stainless steel. |
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Shape: Bow/Corrugated shape. Length:10¡«60mm |
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Shearing Type (Waste package tape and waste shearing) |
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No. |
Type |
Model |
Length (mm) |
Diameter (mm) |
Flexural strenght (mpa) |
Shape |
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1 |
Shear |
Hy-01 |
10£35 |
0.5£1.0 |
¡Ý420 |
Corrugated shape |
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2 |
Shear |
Hy-02 |
10£35 |
0.6£0.8 |
¡Ý400 |
Creasing shape |
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Shearing (Finished products with steel shearing) |
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No. |
Type |
Model |
Length (mm) |
Diameter (mm) |
Flexural strenght (mpa) |
Shape |
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1 |
Shear |
Hy-01 |
10-35 |
0.7 |
¡Ý400 |
Corrugated shape |
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2 |
Shear |
Hy-02 |
10-35 |
1 |
¡Ý400 |
Creasing shape |
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Mix proportion and using method of steel fiber and concrete |
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A.Mix proportion of steel fiber and concrete |
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Group |
Concrete type |
Concreter dosage of each cubic meter£¨Kg£© |
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¡¡ |
¡¡ |
Cement |
Sand |
Pebbles |
Water |
Steel fiber |
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I |
425# |
400 |
864 |
1056 |
172 |
78-93 |
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II |
525# |
340 |
836 |
1023 |
187 |
¡¡ |
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B. Steel fiber concrete using method: |
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1. Scatter the steel fiber by double vibration with Horizontal and vertical grid; then feed them into blender with belt conveyer. It can also be Horizontal-axis or roller blender. |
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2. Dry mix the steel fiber, cement and aggregate, then add water to wet mix them; or add steel fiber when mixing all above-mentioned materials. |
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3 .After mixing steel fiber concrete, its uniformity and V should be tested (deviation should not exceed ¡À10% of mixing requirement. |
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4. Cast steel fiber concrete to guarantee the uniformity and continuity of steel fiber distribution. In casting, do not add water because of dry materials. |
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Twisted steel fiber psycial properties |
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No. |
Fiber Vf£¨%£© |
Limit bending strength (Mpa) |
Splitting tensile strength (Mpa) |
Compressive strength (Mpa) |
Bending toughness (N.m) |
Elastic modulus (Gpa) |
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1 |
0 |
4.8 |
2.5 |
31 |
2.7 |
31 |
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2 |
0.5 |
5.4 |
3.3 |
35.5 |
14 |
31.5 |
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3 |
1 |
7 |
3.6 |
36 |
24 |
32 |
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4 |
1.5 |
8.5 |
4.4 |
38 |
36 |
32 |
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5 |
2 |
9.8 |
5.1 |
40 |
45 |
32.5 |
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Referance data whhen mixing steel fiber into concrete: |
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Characters of steel fiber concrete |
Max. improved effenciency (compared to common concrete) |
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Impluse strength |
40-60 times |
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Crack strength |
2 |
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Tensile strength |
2 |
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Shear strength |
4-6 times |
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Twisting strength |
2 |
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Bending strength |
2 |
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Compressive strength |
0.25 |
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Fatigue strength |
About 100 times |
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Wearability |
0.3 |
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Ductility |
2 |
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Sliding resistance |
0.15 |
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Heat resistance |
Improved significantly |
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Cold resistance |
Improved significantly |
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Using effect: |
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1. Compared with common concrete, steel fiber concrete's section thickness cound be less than half of that of common concrete. |
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2. It can save 50% of cement, pebbles, sand and other building materials and engineering work. |
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3. If choose layered composite (suitable for limited standard height road), usage of steel fiber will be saved 40% ~50%. |
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4.When steel fiber concrete is used as road surface, stilling or pool, their shrinking spacing will be improved to 11-13 times ( can be 50-60mm)compared to that of common concrete.£© |
