advantage
1. Without oxidation both outer wall and inner wall 2. Under high pressure without leakage 3. High-precision 4. High finish 5. No deformation after cold bending
specification
OD	thickness	length	finish
8-600mm	1-45mm	3-18m	Copper coated
Chemical composition
C		0.12-0.18
Mn≤		0.40-0.70
P≤		0.025
S≤		0.015
Si		0.17-0.37
Cr		0.80-1.10
Ni≤		--
Mo		0.40-0.55
Mechanical properties
Tensile strength	Yield strength	elongation	Delivery condition
440-640Mpa	295Mpa	21%	annealed
manufacturing technology
hot rolling, cold drawing, etc.
Certification
ASTM, ISO
package
1. Wooden case, container or other package you appointed 2. Bundle, with oil strapping, packing with oil, wooden, container or other package according to your needs.
MOQ
5tons
Country of origin
China
Payment terms
T/T, L/C, D/A, western union
Delivery time
15-20 days according to your order
Supply ability
3000 tons per month