Screw hexagon head tank construction

DIN 933 plain A2 stainless steel

DIN 931 bare stainless steel A4

ISO 4014 A4 stainless steel plain AD W 7/2

ISO 4014 steel 5.6 zinc plated AD W 7/1

ISO 4017 A4 stainless steel plain AD W 7/2

DIN 931 plain A2 stainless steel

ISO 4014 A2 stainless steel plain AD W 7/2

ISO 4014 steel 5.6 plain AD W 7/1

ISO 4017 steel 5.6 zinc plated AD W 7/1

ISO 4017 A2 stainless steel plain AD W 7/2

ISO 4017 steel 25CrMo4 zinc plated

ISO 4017 steel 25CrMo4, plain

ISO 4014 steel 25CrMo4 zinc plated

ISO 4017 steel 5.6 plain AD W 7/1

DIN 933 bare stainless steel A4

ISO 4017 steel 5.6 hot dip galvanized AD W 7/1

ISO 4017 hot-dip galvanised steel 5.6 (TZN)

ISO 4014 steel 25CrMo4, plain