Seamless Steel Tubes DIN 17100 St52 EN 10025 S355JO

Dear Sir,

We are have a request of Tubes for armor of micropiles to build constructions, as tunnel.

The quality of the steel is written in four format:

• The Italian quality is Fe 510 and Fe 430 
• The German is DIN 17100 ST52 and ST44
• The European is EN10025 S355 or S275
• The American is ASTM A 570 Grade 50 and ASTM A 570 Grade 40

We need sizes OD from 73mm to 273mm with various Thickness.

NEW and USED Pipes (Petroleum or Water in good conditions).

Fe 510 Chemical Composition:

C% Max 0,20 - 0,24

Mn% Max 1,60

Si% Max 0,55

P% Max 0,025 - 0,035

S% Max 0,025 - 0,035

N% Max 0 - 0,012

Cu% Max 0,55

Fe 430 Chemical

C% Max 0,18 - 0,21

Mn% Max 1,50

Si% Max 0

P% Max 0,025 - 0,035

S% Max 0,025 - 0,035

N% Max 0 - 0,012

Cu% Max 0,55

We are searching a good supplier for long term business.

Seamless;

Shipping and Package: The cheapest

We would like to have the best quotation FOB price and CIF Catania and CIF Augusta

Regards.