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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.

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Precision Seamless Steel Tube Manufacturer