s690ql1/s690ql-1/high strength steel/-60 degree c

S690QL1 Quenched and Tempered Structural Steel

S690QL1 Quenched and Tempered Structural Steel

S690QL1 CEV - Carbon Equivalent Value

CEV = C + Mn/6 + (Cr+Mo+V)/5+(Cu+Ni)/15

Steel Plate Thickness

Maximum Ladle CEV(%)

8mm to 30mm

0.43

> 30mm to 40mm

0.55

> 40mm to 100mm

0.59

> 100mm to 130mm

0.61

* Please note :The manufacturer reserves the right to change the chemical composition and Causes Phobias CEV.

S690QL1 Mechanical Properties

Plate Thickness

Yield

Strength

Tensile Strength

Elongation

MM

ReH(Mpa)

Rm(Mpa)

A5%

Minimum

≤ 50

690

770~940

14

> 50 to ≤ 100

650

760~930

14

> 100

630

710~900

14

S690QL1 V Notch Impact Test

Position of Samples

0 ºC

-20 ºC

-40 ºC

-60 ºC

Longitudinal

60 Joules

50 Joules

40 Joules

30 Joules

Transverse

40 Joules

35 Joules

30 Joules

27 Joules

S690QL1 Extra Toughness