Specifications

1.Standard:Q/OHAD006-2008,YB/T5052
2.WT:5-20
3.OD:42-133
4.Technique:cold drawn, hot rolled
5.Grade:R780

Standard:

Q/OHAD006-2008

YB/T5052

 

Mechanical Properties:

Steel Grade	Yiel strength	Tenslle strength	Elongation
	MIN
STM-R780	520	780	15

 

Yield strength is Rto.5

The sample width foe tensile test is 19mm, gauge length is 50mm.

 

SIZE:

RANGE  Q/QHAD006-2004

OD	WALL THICKNESS	REMARK
42	5.0,5.5,6.0,6.5
50	5.5,6
68	20
71	5	USE FOR ROPE CORE
73	4.0,7.0
89	4.5,5.0
89	6	USE FOR ROPE CORE
108	4.5
121	4.5,5.0
127	4.5,5.0
133	10

 

NOTE: OTHER SIZE CAN ALSO BE SUPPLIED.