ST52 Hydraulic Pipe

Model:	PIPE
Brand:	UNITE
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Piping Tubing
Label:	Hydraulic Pipe , ST52 TUBE , HONED TUBE
Price:	US $1500 / MT
Min. Order:	2 MT

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Product Description

Introduction

ST52 is low carbon steel grade, excellent weldable, the most widely used steel grade used for cylinder tubes. Normally supplied stressed relieved and annealed or normalized.

Applications

ST52 Hydraulic Pipe applicable to oil industry, mechanical equipment, engineering machinery, automobile etc fields, like hydraulic pressure, pneumatic cylinder,oil pump barrel.

Quality Standard

DIN 2391-1 Seamless Precision Steel Tubes
DIN 2391-2 Seamless Precision Steel Tubes
EN 10305 -1 Steel Tubes for Precision Applications

Equivalent Grade

DIN	DIN	EN	GB
ST52	ST52.3	E355	Q345

Chemical Composition(%)

C	Si	Mn	P	S
0.20 max	0.55 max	1.60 max	0.035 max	0.030 max

Mechanical properties

BK	BK	BKS	BKS	BKS
Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
640 min	5 min	600 min	520 min	14 min

*Low temperature impact test upon request (27J/-20°C).

Size Range

Process	ID mm	Length m	Straightness mm	ID tolerance	ID troughness Ra
Cold Rolled	30-200	12 max	0.3-1.0/1000	H8-H10	0.4-1.6 μm
Cold Drawn	30-400	12 max	0.3-1.0/1000	H8-H10	0.8-1.6 μm
Honed	30-500	12 max	0.3-1.0/1000	H8-H9	0.4-0.8 μm
SRB	60-300	9 max	0.3-1.0/1000	H8	0.1-0.4 μm

Mill′s test certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.

Packaging Details

With anti-rust oil on inner diameter of each pipe，tube caps on both ends, hexagonal bundles of max 3,000 kg with several steel strips, nylon bag and waterproof paper package each bundle. Of course, customers can customize other packing way.