High Carbon Steel Plate
High Carbon Steel Plate
High Carbon Steel Plate
High Carbon Steel Plate

High Carbon 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;

Send Inquiry

Product Introduction

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.

S960QL structural characteristics

grade of steel	thickness(mm)	carbon equivalent(%)
S960Q,S960QLWQ960D,WQ960E	10～30	≤0.56
31～60	≤0.61

S960QLmechanical property

specification(mm)	Re(Mpa)	Rm(Mpa)	A(%)	impact temperature(℃)	AKV(J)	cold bendd=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

S960QL Welding test result

specimen number	thickness of steel plate(mm)	tensile test	bending test	impulse test
Rm(Mpa)	Fracture location	lateral bending	Notch location	Notch form	-40℃AKV(J)
E960-1	16	960	welding line	intact	welding line	V	62 61 60
E960-2	16	920	welding line	intact	fusion line+1.5	V	67 75 71

S960QL Recommended welding process for tempered high strength steel of construction machinery

grade of steel	welding process	Recommended welding material	preheating temperature(℃)	interlayer-temperature(℃)	Diameter of electrode (wire)(mm)	welding parameter
welding current(A)	welding voltage(V)	welding speed(cm/min)	heat input(KJ/cm)
960MPa	shielded metal arc welding(SMAW)	J107RHOk75.78	100-150	≥100	φ4.0	170	25	15	20
gas shielded welding(GMAW)	Union X90	100-150	≥100	φ1.2	240	30	30	15