API Thick Wall Precision Steel Tube Galvanized EN10305-1 EN10305-4

EN10305-1 EN10305-4 Thick Wall Precision Steel Tube with BV Certificate , Round Shape

Quick Detail:

Standard: DIN 2391 EN10305-1, EN10305-4, BS 6323, ISO 8535

Grade: St 30 Si / St 30 Al / St 35 / St37 / St37.4 / St45 / St 52 / St52.4 / E215 / E235 / E355
Size:(mm)

Out Dimensions: 6 mm ~ 350 mm
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

Precision steel tube
Precision in size,Bright for the surface, high ability of mechanical performance

Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323, ISO 8535

STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc

SURFACE TREATMENTS

1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface

0.2Ra Maximum for special requirement

2. Surface Coating

A. Silver galvanized

B. Yellow galvanized

C. Olive green coated

Layer thickness: 8-20um, Salty Spray Test: 48-150 hours

3. Black phosphate

APPLICATIONS

1. Automotive fields

A. Fuel injection lines/nozzles

B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar

C. Drive transmission: Steering column elements

D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts

2. Hydraulic Fields

A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension

B. Hydraulic cylinders (HPZ)

Chemical Composition: