S960QL High Strength Steel Plate
S960QL High Strength Steel Plate
S960QL High Strength Steel Plate
S960QL High Strength Steel Plate

S960QL High Strength Steel Plate

Q960C steel plate, Q960D steel plate and Q960E steel plate are tempered and high-strength steel plates, where Q represents the first letter of the "qu" character of steel yield strength in Chinese pinyin; 960 is the minimum yield strength value specified in the code, the unit is MPa; C, D, and E are quality grade symbols;

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Product Introduction

S690Q steel plate details:
S690Q is suitable for low-temperature resistance, high-strength key components, construction machinery, mining machinery structure manufacturing of European standard high-strength steel plate, corresponding to the national standard Q690E Wugang high-strength steel plate.
low alloy high strength structural steel
Used in buildings, Bridges, ships, vehicles, pressure vessels and other structures, the carbon content (melting analysis) is generally not more than 0.20%, the sum of alloying element content is generally not more than 2.5%, yield
Low alloy steel with strength not less than 295MPa and good impact toughness and weldability.
S690Q implementation standard: European standard EN10025-6 standard. GB/T16270-2009 standard.
S690Q packaging, marking, quality certificate: the packaging, marking, quality certificate of steel plate should comply with the provisions of GB/T 247.

Chemical Composition of S960QL1 HSLA steel plate

Chemical Element	Content Weight %
C	0.20
Si	0.80
Mn	1.70
P	0.020
S	0.010
N	0.015
B	0.0050
Cr	1.50
Cu	0.50
Mo	0.70
Nb	0.06
Ni	2.0
Ti	0.05
V	0.12
Zr	0.15

Mechanical properties

Specification (mm)	Re (Mpa)	Rm (Mpa)	A (%)	Impact temperature (℃)	ACP (J)			Cold bending d=3a
20	1010	1070	14.5	－40℃	52	63	41	good
20	1000	1060	16	－40℃	46	40	46	good
25	995	1050	16	－40℃	76	53	61	good
25	1000	1050	15.5	－40℃	66	55	63	good
25	1000	1060	15	－40℃	66	74	46	good
50	975	1030	16	－40℃	60	65	63	good

Welding test results

Sample serial number	Steel plate thickness (mm)	Stretching test		Bending test	Impact test
Sample serial number	Steel plate thickness (mm)	Rm (Mpa)	fracture Location	Side bend	Notch position	Gap form	-40 ℃ AKV (J)
E960-1	16	960	Weld	intact	Weld Center	V	62 61 60
E960-2	16	920	Weld	intact	Fusion line +1.5	V	67 75 71

Recommended welding process for quenched and tempered

Steel grade	Welding method	Recommended welding consumables	pre-heat temperature (℃)	Interlayer temperature (℃)	Electrode (wire) diameter (mm)	Welding process parameters
Steel grade	Welding method	Recommended welding consumables	pre-heat temperature (℃)	Interlayer temperature (℃)	Electrode (wire) diameter (mm)	welding Current (A)	welding Voltage (V)	Welding speed (cm/min)	Line energy (KJ / cm2
960MPa	Electrode arc welding (SMAW)	J107RH Ok75.78	100-150	≥100	φ4.0	170	25	15	20
960MPa	Gas Shielded Welding (GMAW)	Union X90	100-150	≥100	φ1.2	240	30	30	15