6M 9M 12M 24M Seamless Steel Pipe High Strength DIN 2391 St 30 Si / St 30 Al Grade Hot Rolled Steel Tube manufacturer from China Fanray Industrial Co.,Ltd

6M 9M 12M 24M Seamless Steel Pipe High Strength DIN 2391 St 30 Si / St 30 Al Grade

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: Hot Rolled Steel Tube

6M 9M 12M 24M Seamless Steel Pipe High Strength DIN 2391 St 30 Si / St 30 Al Grade
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6M 9M 12M 24M Seamless Steel Pipe High Strength DIN 2391 St 30 Si / St 30 Al Grade

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	0.35	<=0.40	0.025	0.025
St 52	1.0580	0.22	0.55	<=1.60	0.025	0.025
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.