Black Carbon Structural Round Hollow Stainless ERW Annealed Steel Pipe
2021-05-23
Outer Diameter | 12mm-720mm |
Wall Thickness | 0.6mm-20mm |
Length | 1m-5.8m/6m/11.8m/12m, or random length as client's requests |
Tolerence | ±5% |
Surface Treatment | Galvanized(hot dip and pre-gal.); Color painted; Electroplating; Oiled |
Standards | ASTM A53,BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255 |
Material | Q195, Q215, Q235, Q345 |
Certificate | IS0 9001:2000 |
End Treatment | Plain end; Beveled; Threaded with sockets/coupling and plastic caps |
Packaging | In bundles; PVC export packing; or as client's requests |
Usage | Scaffolding pipe; Structure pipe; Fence/Door pipe; Furniture; |
Low pressure fluid pipe for water, oil or gas; Boiler pipe | |
Delivery Time | 10days from stock; 20-30days produced according to the qty |
Payment Term | T/T; L/C |
Price Term | CIF; CFR; FOB Tianjin, China; EXW |
Loading Port | Tianjin, China |
MOQ | One container |
Others | 1.All the pipes is high-frequency welded. |
2.Both inner and outer welded stab can be removed. | |
3.Special design available according to requirement. | |
4.Pipe can be necked down and punched holes. | |
5.Supplying BV or SGS Inspection if client need. |
2.Product 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 | ≥215 | 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 |
3: Technological Process
Process flow of Rectangular and Square Steel Pipe:
Hot Rolling Annealing
Pickled
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4:WHY CHOOSE US ???
Dear Customers, If you have any questions, Pls give me a call or send me email, Welcome to my factory anytime!!!
HENAN UNION STEEL IMPORT&EXPORT CO.,LTD
UNION STEEL GROUP CO.,LIMITED
TEL:0371-85510799 FAX: 0371-85510788
MOBILE/: +86-13612105379
Annealed steel bar is produced by annealing which is one kind of heat treatment to get proper hardness for machining. Our advantages and more services of annealed steel bar includes:
1) Wide range of diameters from 10mm to 300mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.5um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.06mm/h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
Annealed Steel Round Bar, Annealed Steel Bar, Hot Rolled Annealed Steel, Cold Drawn Annealed Steel, Annealed Steel Rod
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