ISO Certificate STC 370,STC 440 JIS G3473 Carbon Steel Tube for Hydraulic Cylinder

ISO Certificate STC 370,STC 440 JIS G3473 Carbon Steel Tube for Hydraulic Cylinder

Quick Detail:

Standards: JIS G3473

Grade: STC?370,STC?440,STC?510A,STC?510B,STC?540,STC?590,STC?590A,STC?590B?

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35mm

Length: max 24000mm

Description:

Standards: JIS G3473

Grade: STC?370,STC?440,STC?510A,STC?510B,STC?540,STC?590,STC?590A,STC?590B?

Size (mm):

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35mm

Length: max 24000mm

Application: JIS G3473 carbon steel tubes for cylinder barrels, machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Packing:?Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test:?Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark:?As requested.

Delivery Condition:Annealed, Normalized, Normalized and Tempered

1. Scope

This?Japanese?Industrial?Standard?specifies?the?carbon?steel?tubes,?hereinafter?referred?to?as?the?\"tubes\",?

used?for?manufacturing?cylinder?barrels?of?pistion?type?hydraulic cylinders?and?pneumatic?cylinders?whose?internal?surfaces?anr?furnished?by?cutting?or?honing

2.?Grade?and?Designation

The?tubes?shall?be?classified?into?7?grades,?and?their?designations?shall?be?as?given?in?Table?1.

Table?1?Designation?of?Grade

3.Chemical?Composition

The?tube?shall?be?tested?in?accordance?with?the?resulting?ladle?analysis?values?shall?conform?to?Table?2.