| Payment Type: | L/C,T/T |
| Incoterm: | FOB,CFR,CIF |
| Min. Order: | 1 Metric Ton |
| Transportation: | Ocean |
| Port: | Tianjin,Shanghai |
Brand: hydrogrand
Size: OD:10-630mm, WT: 2-35mm, Length: 0.5mtr-20mt
Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Coating: 3PE Coating;3PP Coating;FBE Coating;Epoxy Coating;Special Painting
Packing: Bundle or bulk , seaworthy packing or for the client's requirement
| Selling Units | : | Metric Ton |
| Package Type | : | Bundle or bulk |
ASTM A53 GR.B is a specification for seamless Carbon Steel Pipe. It is widely used in various industries for conveying fluids and gases at high temperatures and pressures. The "GR.B" designation indicates a specific grade of steel with a minimum yield strength of 35,000 psi (240 MPa). Seamless Pipe produced according to this standard undergo various tests and inspections to ensure quality and conformity to the specified requirements.
Hot Rolled Seamless Steel Pipe Production Process:
Round Pipe Billet → Heating → Punching → Three-Roller Skew Rolling → Annealing →Acid Pickling→Coating Oil (Copper Plating) → Multi-pass Cold Drawing or ColdRolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing
Cold Drawn Seamless Steel Pipe Production Process:
Round Pipe Billet → Heating → Punching → Pipe Head Treatment → Annealing →Acid Pickling →
Coating Oil (Copper Plating) → Multi-pass Cold Drawing or Cold Rolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing
DIMENSION TOLERANCES OF ASTM A53 Seamless Steel Pipe
| Types | Types | Uses | |
| Hot rolled | OD | <50 | ±0.50mm |
| ≥50 | ±1% | ||
| WT | <4 | ±12. 5% | |
| ≥4~20 | +15%, - 12. 5% | ||
| >20 | ±12. 5% | ||
| Cold drawn | OD | 6~10 | ±0. 20mm |
| 10~30 | ±0. 40mm | ||
| 30~50 | ±0. 45 | ||
| >50 | ±1% | ||
| WT | ≤1 | ±0. 15mm | |
| >1~3 | +15%, - 10% | ||
| >3 | +12.5%, - 10% | ||
SPECIFICATIONS OF ASTM A53 GR.B Seamless steel pipe
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