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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WHY CHOOSE US
Since its establishment, our factory has been developing first world class products with adhering the principle
of quality first. Our products have gained excellent reputation in the industry and valuabletrusty among new and old customers..