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DIN 2391 St 30 Si / St 30 Al Thin Wall Seamless Steel Tubes Length 6m , 9m , 12 , 24m
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DIN 2391 St 30 Si / St 30 Al Thin Wall Seamless Steel Tubes Length 6m , 9m , 12 , 24m

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DIN 2391 St 30 Si / St 30 Al Thin Wall Seamless Steel Tubes Length 6m , 9m , 12 , 24m

 

Quick Detail:

 

Standard: DIN 2391

Grade: St 30 Si / St 30 Al / St 35 / St45 / St 52  
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:

 

Main grade we supply for DIN 2391

St  30 Si / St 30 Al / St 35 / St45 / St 52

 

 

Delivery Condition:

Heat treatment,Annealed, Normalized, Normalized and Tempered

 

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

Painting as requested.

 

 

Chemical Composition:

 

Steel grade

Chemical composition, as a percentage by mass

Symbol

Material number

C
max.

Si
max.

Mn

P
max.

S
max.

St 30 Si

1.0211

0.10

0.30

<=0.55

0.025

0.025

St 30 Al

1.0212

0.10

0.05

<=0.55

0.025

0.025

St 35

1.0308

0.17

0.35

<=0.40

0.025

0.025

St 45

1.0408

0.21

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Mr. Charlie Zhu
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Huacheng Industry Pipe Making Corporation.
337 Renmin(E), Tangqiao Town, Zhangjiagang City, Nanjing, Jiangsu, China (Mainland)
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