Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of factory whole sale light weight welding pre galvanized steel pipe in China. Welcome to consult the quotation and import cheap factory whole sale light weight welding pre galvanized steel pipe made in China here from our factory.
Product Specification
| Name | Galvanzied Square Pipe |
| Standard | JIS G3466, EN 10219, GB/T 3094-2000, GB/T 6728-2002 |
| Material | Q195,Q215,Q235 |
| Size | 15*15-100*100mm |
| WT | 0.6-2.3mm |
| Surface treatment | Pre-galvanized |
| Zinc coating | 60-80g/m2, can up to 120g/m2 |
| Length | usually 4.5-6.5m, can up to 12m; and can cut in any length according to client'''''''''''''''''''''''''''''''' s requirements |
| End Treatment | plain or bevelled |
Chemical Composition & Mechanical Properties :
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 |
≥22 |



Dear Customer
Thanks for visting our website and go through all over the introduction of our plant and products.
Up to now we have nearly 20 years history and we have been in trading business releated to steel material more 11 years.
Our products have been exported to all over the world.
We are specialized in manufacturing pre-galvanzied steel pipe and hot dip galvanized steel pipe and black square pipe.
If you are interested in our product, please don''''''''''''''''''''''''''''''''t hesitate to contact me, I will on your disposal for further communication.
Best wishes to you
Monica zhang
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