1.Grade Q235, equivalent to ASTM A36. Grade Q345, equivalent to ASTM A572. 2.GB50221-2001,ASTM,DIN
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1. Size: As your requirement
2. Sand Blast: Sweden SA 2.5 Sand blasting.
3. Welding: Single level butt welding, fillet welding by electric arc welding, and Gas shielded welding.
4. Surface treatment: hot dip Galvanized, powder coated, baking varnish, Zinc primer, Red primer
5.Workshop pre-install for Check the product
Hot dip galvanize
1, standard: JIS, DIN, ASTM B695-2000
2, Hot dip galvanizing hole cutting good looking on surface of
3.Galvanizing process:
Galvanized pre-treatment→Hot- dip→ Galvanized end → make smooth → Deburring →
Finished product inspection.
Paint
1, Primer paint one coat 20-40 um
2, middle paint two coat 40-60 um
3, finish paint one coat 60-80 um
Paint Type: 1, red primer
2, zinc primer
3, Alkyd primer
Picture
ASTM stainless steel i beam
