The Flooring Expert
Hot dip galvanized/ pre-galvanized round pipe
1. Production Description:
Standard：GB/T 13793-92 GB/T3091-2001
Grade：Q235B
Size Range：25*3mm-200*24mm
Tolerance：3-5%
Length：As request
Equivalent grade: A36, SS400, St37, S235JR
2. Chemical Compostion:
| Grade | Chemical Composition (%) | ||||
| C | Si | Mn | P | S | |
| Q195 | ≤0.12 | ≤0.30 | ≤0.50 | ≤0.035 | ≤0.040 |
| Q235B | ≤0.20 | ≤0.35 | ≤1.40 | ≤0.045 | ≤0.045 |
3. Mechanical Properties:
| Grade | Mechanical Property | ||
| Yield Strength (N/mm2)/(Mpa) | Tensile Strength (N/mm2)/(Mpa) | Elongtation (%) | |
| Q195 | ≥195 | 315-430 | ≥33 |
| Q235B | ≥235 | 370-500 | ≥26 |
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