Black Phosphating Precision Tube
Standard：EN10305-1, EN10305-4, DIN2391, DIN2391-C, SAE J524, DIN73000, GB8713, GB/T3639
Steel Grade：E215, E235, E355, ST30Al, ST37, ST52, 10#, 20#, Q345, 16Mn
Size Range：OD4.0~OD76.0 mm
Delivery Condition：NBK,GBK,+A, +N
Surface Quality：Black Phosphating
Delivery Time：30 days to 45 days
Packing Style：Wooden box, In bundles, Water-proof packing
Terms of Payment：30% T/T Pay in advance.
