FOB Price
أحصل على آخر سعر( Negotiable )
|Minimum Order
Place of Origin:
-
Price for Minimum Order:
-
Minimum Order Quantity:
20 Metric Ton
Packaging Detail:
suitable for the sea worthy; black surface, good oiled anti-rust protection; Bevelled ends, protecte
Delivery Time:
within 30days
Supplying Ability:
2000 Metric Ton per Month
Payment Type:
T/T, L/C, D/A, D/P
الشخص الذي يمكن الاتصال به Mr. Eric
NO. 28 Xiaohongmen Road, Jiugong Town,, Beijing,
| Standard | Steel grade | Chemical constituents (%) | ||||||
| C | Mn | Si | Cr | Ni | Cu | P.S | ||
| GB/T***3 | *0 | 0.*7～0.*3 | 0.*5～0.*5 | 0.*7～0.*7 | ≤ 0.*5 | ≤ 0.*0 | ≤ 0.*5 | ≤ 0.**0 |
| *0 | 0.*7～0.*3 | 0.*5～0.*5 | 0.*7～0.*7 | ≤ 0.*5 | ≤ 0.*5 | ≤ 0.*5 | ≤ 0.**0 | |
| Q**5 | 0.*2～0.*0 | 1.*0～1.*0 | 0.*0～0.*5 | ≤ 0.**0 | ||||
| Mechanical properties | Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) | |||||
| *0 | **5～**5 | ≥ **5 | ≥ *4 | |||||
| *0 | **0～**0 | ≥ **5 | ≥ *0 | |||||
| Q**5 | **0～**5 | ≥ **5 | ≥ *1 | |||||
| Type of steel tube |
Steel tube
size mm |
Deviation | ||
| Ordinary grade | Senior | |||
| Hot rolling (extrusion, expansion) tube | Outside diameterD | All | +1%（Minimum+0.*0） | - |
| Wall thicknessS | All |
**5%（Minimum*0.*5） **2.5%（Minimum*0.*0） |
- | |
| Cold drawing (rolling) tube | Outside diameterD | 6~*0 | +0.*0 | +0.*5 |
| >*0~*0 | +0.*0 | +0.*0 | ||
| >*0~*0 | +0.*5 | +0.*0 | ||
| >*0 | +1% | +0.8% | ||
| Wall thicknessS | ≤1 | +0.*5 | +0.*2 | |
| >1~3 |
**5% **0% |
**2.5% **0% |
||
| >3 |
**2.5% **0% |
+*0% | ||
| Note: the outer diameter is not less than **1mm of the thermal expansion tube, the wall thickness allows the deviation of **8% | ||||
