China manufacturer of NBK Cold Drawn Seamless Tube
| Price: |
1000.0~3000.0 USD |
| Payment Terms: |
T/T,L/C,D/A,D/P |
| Place of Origin: |
Jiangsu, China (Mainland) |
Product Detail
Means of Transport:
Ocean,Land,Air
Packing:
wooden case
EN:
EN10305-4
Steel Gr.:
E235
Surface treatment:
Black Phosphated, oiled
Name:
St37 Steel NBK Cold Drawn S...
Production Capacity:
500Ton/ Month
Delivery Date:
15working days
DIN:
DIN2391 part 2
Condition:
NBK
Ends:
capped
Using:
hydraulic line service
high accuracy(+/-0.05mm)
excellent surface condition
DIN EN10305 E235+N, St37.4
St37 Steel NBK Cold Drawn Seamless Tube
St37 Steel NBK Cold Drawn Seamless Tube
Production range: OD from 3.75mm to 70mm; wall thickness from 1 to 10mm
HPL TUBES |
Standards | TDR Standards | Steel Grades |
ASTM | A822 - A450 | A822 |
DIN | 2391-1 2445-2
1630 | ST 37.4
ST 44.4
ST 52.4 |
EN | 10305-4 | E235+N E255 +N
E355+N |
manufacturer of Cold Drawn Seamless Tube
made in china
Heat Treatment: Normalized:
· NBK – DIN
· +N – EN
· N - ASTM
quality products steel pipe made in china
SURFACE TREATMENTS
Processing Flow Chart of Cold Drawn Seamless Tube:
Steel bar→physical and chemical inspection→surface treatment→cutting→heating→hot piercing→pickling and lubrication→cold rolling→heat treatment→pickling and lubrication→cutting→punching→cold drawn→size inspection→out and inner surface cleaning→NBK&GBK→mechanical properties inspection→chemical inspection→straightening→trim→surface treatment(phosphate, zinc coated, polishing)-high pressure oil blowing-eddy current testing-antirust oil painting-packing-stocking.
Finished Tube-Cold Drawn Seamless Tube:
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