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Huacheng Industry Pipe Making Corporation.
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Gold Index: 13928
DIN 2391 St 30 Si / St 30 Al Thin Wall Seamless Steel Tubes Length 6m , 9m , 12 , 24m
| Place of Origin: | Jiangsu, China (Mainland) |
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Product Detail
DIN 2391 <span styl
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:
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Steel grade |
Chemical composition, as a percentage by mass |
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Symbol |
Material number |
C |
Si |
Mn |
P |
S |
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St 30 Si |
1.0211 |
0.10 |
0.30 |
<=0.55 |
0.025 |
0.025 |
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St 30 Al |
1.0212 |
0.10 |
0.05 |
<=0.55 |
0.025 |
0.025 |
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St 35 |
1.0308 |
0.17 |
0.35 |
<=0.40 |
0.025 |
0.025 |
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St 45 |
1.0408 |
0.21 |
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