- Baking Equipment[3]
- Steel Billets[1]
- Cast & Forged[10]
- Bearing Steel[8]
- Spring Steel[10]
- Stainless Steel Bars[1]
- Stainless Steel Pipes[3]
- Steel Pipes[9]
- Square Steel[10]
- Steel Angles[7]
- Steel H-Beams[4]
- Steel Rails[10]
- Steel Rebars[2]
- Steel Round Bars[10]
- Steel Sheets[10]
- Structural Steel[2]
- Contact Person : Ms. Liu Adela
- Company Name : Laiwu Le Ren Trade Co., Ltd.
- Tel : 86-634-5648998
- Fax : 86-634-5648997
- Address : Shandong,Laiwu,NO.008 WENHUA SOUTH ROAD,LAICHENG DISTRICT(ROOM1802, F18, INZONE CITY SQUARE)
- Country/Region : China
- Zip : 271100
Q235/50Q/55Q steel light rails
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Q235/50Q/55Q steel light rails
Specifications:
Heavy rail | Unit height(kg/m) | Height (mm) | Bottom width(mm) | Head width(mm) | Length (m) |
Q235 55Q 50Q | 5(5.03) | 50 | 44 | 22 | 6-13 |
8(8.42) | 65 | 54 | 25 | ||
11(11.20) | 80.5 | 66 | 32 | ||
18(18.06) | 90 | 80 | 40 | ||
24(24.46) | 107 | 92 | 51 |
Height | Base width | Head width | Head height | Web height | Base height | Web thickness | |
12kg/m | 69.85 | 69.85 | 38.10 | 19.85 | 37.70 | 12.30 | 7.54 |
15kg/m | 79.37 | 79.37 | 42.86 | 22.22 | 43.65 | 13.50 | 8.33 |
22kg/m | 93.66 | 93.66 | 50.80 | 26.99 | 50.00 | 16.67 | 10.72 |
Chemical composition
Grade | Model kg/m | (Chemical composition) % | |||||
C | Si | Mn | P | S | Cu | ||
50Q | ≤12 | 0.35-0.60 | 0.15-0.35 | ≥0.40 | ≤0.045 | ≤0.050 | ≤0.40 |
55Q | ≤30 | 0.50-0.60 | 0.15-0.35 | 0.60-0.90 | ≤0.045 | ≤0.050 | ≤0.40 |
Mechanical property:
Model | Grade ( kg/m ) | Tensile Strength (MPa) | Hardness( HB ) |
50Q | ≤12 | — | — |
55Q | ≤12 | — | — |
15-30 | ≥685 | ≥197 |
Size tolerance:
Rail head height: ±0.5mm Rail head width: ±0.5mm
Web thickness: +0.75mm /-0.5mm Base width: +1.0mm /-2.0mm Height: +0.8mm /-0.5mm
Length: ±6.0mm
Q235/50Q/55Q steel light rails
