fushun

28Mn6 1.1170 1527 Quenched and Tempered Alloy Steel Tube

Group Hollow Bars
Min. Order 1 piece
Terms of Payment L/C, T/T
Update Time 2019-06-05
Item specifics
Delivery condition+N, +QT, +A
Surface conditionblack, grined
OD30-750 mm
lengthmax12meter

Application of 28Mn6:

Tubular parts for the automotive, oil and gas, construction, general engineering and agricultural industry, such as bushes, hydraulic cylinders, hollow shafts, rings, hollow rolls for conveyors, nuts, gear wheels, shafts, axles, stuffing boxes, spindles, drill jigs, rolls etc.

Chemical Composition(%)of 28Mn6:

Grades

C

Si

Mn

P

S

NI

CR

MO

28MN6

0.25-0.32

max0.4

1.30-1.65

0.025 max

0.025 max

max0.4

max0.4

max0.1

Wall Thickness Tolerances

Scope of Outer Diameter

Ratio of Wall Thickness and Outer Diameter (WT/OD)

Tolerance

102mm max

/

+/12.5% or +/-0.4mm (Chose the bigger one)

102mm min

0.05 max

+/15% or +/-0.4mm (Chose the bigger one)

102mm min

0.05-0.10

+/12.5% or +/-0.4mm (Chose the bigger one)

102mm min

0.10 min

(-10%, +12.5%)

Mechanical Properties at Normalized condition (T=20°C)

Wall Thickness (mm)

Tensile Strength (Mpa)

Yield Strength(Mpa)

Elongation A5 (L) (%)

16 max

630 min

345 min

17 min

16-100

600 min

310 min

18 min

Surfaces Protection:

The tubes are protected internally and externally with oil, which provides temporary protection against oxidisation when undercover.

 

Tube ends:
The hollow bar comes with square cut and deburred ends.

 

 Certification:

The hollow bar is supplied with 3.1.B inspection certificate,according to the standards EN 10204 and ISO 10474.

 

Identification and Marking:

The hollow bar is marked in indelible ink, the details being repeated along the entire length of each tube and on a label, as follows:
Manufacturer’s trademark – manufacturing standard – dimensions -steel grade – supply condition – cast no. – item number.

 

Packaging:

The hollow bar comes in strapped bundles. The minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg, with a minimum of 4 pieces