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ASTM A355 P22 Dn700 Seamless Alloy Steel Pipe and Tube

China ASTM A355 P22 Dn700 Seamless Alloy Steel Pipe and Tube, Find details about China Steel Tube En10305, Precision Steel Tube from ASTM A355 P22 Dn700 Seamless Alloy Steel Pipe and Tube

Trademark
DERBOSTEEL
Origin
China
HS Code
74000000
Trademark
DERBOSTEEL
Origin
China
HS Code
74000000
PRODUCT: Seamless Precision Steel Tube EN10305 ST35/E35, ST45, ST52/E355

1. Standard: EN 10305-1 / DIN 2391
2. Material: ST35/E35, ST45, ST52/E355
3. OD: 10mm~219.1mm
4. Wall Thickness: 2mm~35mm
5. Application: Precision mechanical part for car and cylinder
6. Delivery condition: NBK (The last cold forming process is followed by annealing above the upper transformation point in a controlled astmosphere. ).
7. Package: In hexagonal shape bundles wrapped with strong steel trip 2MT/Bundle.

Quality Control:
Our quality control department consists of experienced technicians. These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.
Chemical composition
ItemGradeChemical composition.%
C maxSi maxMn PmaxS max
St35/E351.03080.170.35≥0.400.0250.025
St451.04080.210.35≥0.400.0250.025
St52/E3551.05080.220.55≤1.600.0250.025
The following alloying may be added:Nb≤0.03%,Ti≤0.03%,V≤0.05%,Nb+TI+v≤0.05%
Mechanical properties
CategoryDelivery state minimum value
 
itemgradeGold finished (hard)(BK)Gold finished (SOFT)(BKW)Gold finished and stress-relieved(BKS)annealed(GBK)normalized(NBK)
Rm MpaA%Rm MpaA%Rm MpaReH MpaA%Rm MpaA%Rm MpaReHA%
1St35/E2354806420104203151431525340~47023525
2St45580552085203751239021440~57025521
3St52/E35564045807580450f1045022490~63035522

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