Origin	China
Length	max15m
Outer Diameter	25-508
Specification	ASTM DIN JIS GOST
Technique	Welded
Thickness	1-20

MaterialGRB 20# STEEL
OD1/4"-24", 13mm-610mm
WTSCH20, SCH40, SCH60, SCH80, SCH100, SCH120, SCH160, XXS
UsageBoiler Use, water transport, Building, Machinery, Traffic, Aviation, Oil development ect.
OD TolleranceD<48.3mm, +-0.4mm/-0.79mm, D48.3-114.3MM, +-0.79%, D>114.3MM 1.59/-0.79mm
WT TolleranceWT 12.5%
ChemicalC: <0.30%, Si: >0.10%, MN: 0.291.06%, P: <0.035%,
S: <0.035%, Cu: <0.40%, Ni<0.40%, Cr: <0.40%, Mo: 0.15%, V: 0.08%
Tensile strength415MPA
Yield Point240MPA
Elong-Ation30
Other testHY, ET
Length2-12m Random, 5.8M FIXED, 6M FIXED, 9M FIXED
Suface Black paint as rusty protect
Ends2"below plain ends, 2" above beveled ends
Methord140mm below cold drawn, 140mm above hot rolled, 273mm above hot expand
Packing6 steel strip, bundles, Caps, plastic wrap, loading belt
Min Order3tons, More quantity price very low