| Customization: | Available |
|---|---|
| Type: | Round |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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| Product Name | China Supplier for Big SizePrecise Cold Drawn Seamless Steel Pipe |
| OD | 20-219mm,WT:0.8-12mm |
| Size | 10*10-400*400mm,WT:0.8-12mm |
| Length | 0.3-13m or as your requirement |
| Surface | Pre-galvanized/Hot Dip Galvanized/Oiled/Painted |
| Zinc Coating | 50-150g/m2 for Pre-galvanized,200-600g/m2 for hot dip galvanized |
| Material | Q195/Q215/Q235/Q345/Q195-Q235 |
| Standard | ASTM-A53 /BS 1387-1985/ GB/T 3091-2001 for round pipe |
| ASTM A500 /GB/T3094 for square/rectangular pipe | |
| Ends | Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/expanding neck/punching holes |
2.Quality Assure:
| Quality assure: | 1),Basic guarantee: | Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs. |
| 2),Process control: | follow the process chart adding our workers' care |
|
| 3),Inspection& Test | Direct-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test, Eddy Current Test, Ultrasonic Test, Hydrostatic Test, Corrosion Test, etc |
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