Name:  EN 10297Alloy  seamless steel tubes 30CrNiMo8 for Mechanical Purpose

Standard:EN10297 Seamless Circular Steel Tubes for Mechanical and General Engineering Purposes

Size: OD10.2mm to 810mm;   WT 1.6mm to 100mm;    Length: 12000mm( max)

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

Application:  It can be made into mechanical and general engineering purposes etc.

Surfaces Conditions: 1.Black surface with oxygen skin;
                                      2.Grinded for external or internal surface, or external and internal surface;
                                      3.Peeled for external or internal surface, or external and internal surface.

Delivery Conditions: Hot Rolled only;Stress Relieved;Annealed;Normalized;Quenched and Tempered. 

Tube ends: The tubes come with square cut and deburred ends.

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

Delivery Time: 35 days after both parties confirmed.

Standard

Grades

Steel No.

C

Mn

Si

P

S

Cr

Ni

Mo

EN10297

30CrNiMo8

1.6580

0.26-0.34

0.40 max

0.30-0.60

0.035 max

0.035 max

1.80-2.20

1.80-2.20

0.30-0.50

Wall Thickness (mm)

Tensile Strength Rm (Mpa)

Yield Strength R2 (Mpa)

Elongation A(%) I

Elongation A(%) T

not more than 8

1250 min

1050 min

9 min

7 min

8 to 20

1250 min

1050 min

9 min

7 min

20 to 50

1100 min

900 min

10 min

8 min

50 to 80

1000 min

800 min

11 min

9 min