|
|
Build Your Online Product Catalogs?
| Product Name: |
Steel Grade 25 Structural Steel Tubing Hot Rolled
|
| Supply Ability: |
50000tons per year |
| Related proudcts |
cold formed, structural steel tub, |
| Specifications |
According to customers' requirement |
| Price Term: |
FOB |
| Port of loading: |
Shanghai |
| Minimum Order |
1000kg |
| Unit Price: |
600-1000 USD per ton |
|
GB/T8162 Structural Seamless Steel Tube with Steel Grade 20 45 Q345 20Cr 40Cr 20CrMo 30-35CrMo 42CrM
Heat Treatment: Hot Rolling & Cold Drawn
Tolerance of the OD &WT:
OD Tolerance:
Production Method OD Tolerance
Hot Rolling(Extrusion) ±1% or ±0.50mm
Cold Drawn(Cold Rolled) ±1% or ±0.30mm
Tolerance for wall thickness:
1.Wall thickness tolerance of Hot Rolling steel tube:
Production Method OD (DN) WT/OD Tolerance
Extruded tube �02 / ±12.5% or ±0.40mm
�02 �.05 ±15% or ±0.40mm
�.05-0.10 ±12.5% or ±0.40mm
ï¼?.10
+12.5%
-10%
Heat expanding steel tube / ±15%
2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:
Production Method WT Tolerance
Cold Drawn(Cold Rolled) steel tube � +15%/-10% or ±0.40mm
ï¼?
+12.5%
-10%
Bending tolerance:
WT�5mm, Bending�.5mm/m
WT�5mm~30mm, Bending�.0mm/m
WT�0mm/OD�51mm, Bending�.0mm/m
Ovality and Wall unevenness:
The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer’s request)
http://www.precision-steeltube.com/
http://www.steel-tubes.com/
http://www.chinasteeltubepipe.com/ |
| Company: |
Torich International Co.,Ltd
|
| Contact: |
Mr. Richard Shen |
| Address: |
706 Qiling Mansion North Building Yinzhou District, Ningbo China |
| Postcode: |
315100 |
| Tel: |
86--13736164628 |
| Fax: |
86-574-88086983 |
| E-mail: |
|
|
|
|
Home
