ASTM A106-B  Seamless Steel Pipe
(1) Produce Name: Seamless Steel Pipe
(2) Brand: Zhongzheng, OEM, Blank
(3) Specification: OD 21.3mm - 355.6mm ( 1/2'' -  14'')
(4) Standard:
ASTM A106 GR B, ASTM A53 GR B
SAE1020 SAE1045
JIS G4051 S20C JIS G4051 S45C
JIS G3454 STPG370 JIS 3454 STPG42
DIN ST 45-8 DIN ST 52
(5) Technics: Cold drawn and hot rolled
(6) Packing: Bundle packing
Paint varnish coating on the pipe
Plastic covers at ends.
(7)   Tolerate
OD +1% / -1%
Length: + / -2.0%
Thickness +12.5% / -10%
The Max length is 12M.