Honed Tube & SRB Tube for Hydraulic/Pneumatic Cylinder

Model:	ST52 HOEND TUBE
Brand:	UNITE
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Piping Tubing
Label:	ST 52 TUBE , HONED TUBE , Cylinder
Price:	US $1500 / MT
Min. Order:	2 MT

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Product Description

Usage

Applicable to hydraulic pressure, pneumatic cylinder,oil pump barrel, motor body, transmission shaft, etc.

Quality Standard

DIN 239, EN 10305, ASTM A519 and GB3639.

Process

Raw materials- Cold drawn/rolled- Heat treatment(BKS)- Honed or SRB- packing

Steel Grade

ST52/E355, ST52.3, Q345B, ASTM 1026.

Size

Processing	Cylinder diameter	Length /mm	Straightness	Size accuracy	Wall thickness/mm	Inner boreroughness
Cold-drawn/rolled	ID28~OD400	≤12M	0.3~1.0m m/m	H8-H11	±5%	0.4~1.6um
Honed/SRB	ID28~OD500	≤12M	0.3~1.0m m/m	H8	±5%	0.1~0.8um

Inner hole size tolerance

ID size	ID deviation (mm)
ID size	H7	H8	H9	H10
30	0.021	0.033	0.052	0.084
>30~50	0.025	0.039	0.062	0.1
>50~80	0.03	0.046	0.074	0.12
>80~120	0.035	0.054	0.087	0.14
>120~180	0.04	0.063	0.1	0.16
>180~250	0.046	0.072	0.115	0.185
>250~315	0.052	0.081	0.13	0.21
>315~400	0.0527	0.089	0.14	0.23

Packing optional

Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield

strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection

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