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1. Wall Thickness:1.8mm-50mm
2. OD:5mm-700mm
3.Length: 5m-12m
4.Origin:China, tianjin
5.Packing:Standard export packing
6.Transportation:By sea or railway
7.Terms of Delivery:FOB/CNF/CIF/CFR or etc.
8.Payment terms:T/T,L/C
9.Others as the customers requirements.
Seamless carbon and Alloy Steel Mechanical Tubing | |
Application: | For mechanical and pressure use,and also for transporting steam,water,gas and etc. |
Size(mm): | O.D.: 10.3-609.6mm W.T.: 1.7mm-36mm L: max 12000 |
Grade and Chemical Composition (%)
Grade | C ≤ | M ≤ | P ≤ | S ≤ | Cu ≥ | Ni ≤ | Cr ≤ | Mo ≤ | V ≤ |
ASTM A53 A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
ASTM A53 B | 0.30 | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Mechanical Properties:
Grade | Rm Mpa Tensile Strength | Mpa Yield Point | Elongation | Delivery Condition |
ASTM A53 A | ≥330 | ≥205 | 20 | Annealed |
ASTM A53 B | ≥415 | ≥240 | 20 | Annealed |
Dimension Tolerances:
Pipe Type | Pipe Sizes | Tolerances | ||
Cold Drawn | OD | ≤48.3mm | ±0.40mm | |
WT | ≥60.3mm | ±1%mm | ||