Size

Outside diameter

Φ3.85-8mm

Wall thickness

0.5-0.7mm

Ovality

<0.05mm

Coil ID

> 600mm

Coil OD

<1100mm

Physical performance

Tensile strength

280-310 N/Mm2

Yield strength

>180N/Mm2

Elongation

>30%

Internal residue

<30mg/m2

Wall wetness

<30mg/m2

Bend test (1.5D on 360Deg)

no crack

Flaring test

no crack

Leak test

No leak at 30 bar

Flattening test

no crack

Chemical component

Carbon

<0.010%

Manganese

<0.5%

Phosphorus

<0.04%

Sulphur

<0.045%

Weight of coil

80-200kg

Coating thickness

0.2-0.3μm copper coated

Surface treatment

Copper coated, uniform color, moderate oil

Delivery state

Air pressure maintaining, nozzle seal

Packing

Be covered by rustproof paper and gunny. Besides, rolls would be covered by strong plastic bags to be fully water proofed, and then loaded into iron pallets or wooden box.

Or according to customers' requirements.