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S690QL1 1.8988 High Yield Strength Steel EN10025 S690QL1 Non- Alloy Structural Steel

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Description: S690QL1 high yield strength steel plate is a high-strength, low-alloy structural steel, especially in the quenching + tempering state, which has high comprehensive mechanical properties. S690QL1 steel plate has the characteristics of high strength, low te...

If the standard size steel materials can not meet your demands, We aslo supply S690QL1 Carbon and Low-alloy Steel processing service. you can find one-stop solution for various customized steel processing requirements: Large vessels, structural parts, semi-products, components, manufacturing supporting ...

Processing Service: Cutting, Welding, Drilling, Rolling, Bending, Forming, Grinding, Stamping and so on machining

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S690QL1 Carbon and Low-alloy Steel Description

S690QL1 high yield strength steel plate is a high-strength, low-alloy structural steel, especially in the quenching + tempering state, which has high comprehensive mechanical properties. S690QL1 steel plate has the characteristics of high strength, low temperature toughness, welding performance and corrosion resistance. S690QL1 steel is mainly used to manufacture engineering machinery, mining machinery, construction machinery, lifting machinery and other mechanical parts that are resistant to low temperature, high load and heavy impact.

S690QL1 non-alloy structural steel plate implements the European standard EN10025-6, S: stands for Structural Steel. 690: Indicates that the minimum yield strength of the steel is 690 MPa. Q: Indicates that the steel is delivered in a quenched and tempered state. L1: Indicates the quality grade of the steel, where L1 represents the minimum tensile strength of 770-940MPa.

S690QL1 quenched and tempered structural steel has the same standard grade as S690Q and S690QL, which are mainly used in large ships, bridges, power station equipment, medium and high-pressure boilers, high-pressure vessels, rolling stock, hoisting machinery, mining machinery and other large-scale welding Structure.

S690QL1 Carbon and Low-alloy Steel Datasheet

Thickness: 3.5mm-300mm or customized size
Width : 1251-1500mm or customized size
Length: 3000~12000mm or customized size
Size Tolerance: ±1%, ±5%, ±10%
Certificate: API, PVOC, SONCAP, SABS, sirm, tisi, KS, ISO9001
Surface: Painting, Polishing, Rusting, Annealing, Pickling, Galvanizing
Processing method: Bending, Welding, Decoiling, Cutting, Punching, Polishing or as customer's request
Technology: Hot roll, cold roll, cold drawn, ect.

S690QL1 Carbon and Low-alloy Steel Chemical composition

Grade C Si Mn P S N B Cr Cu Mo Nb Ni Ti V Zr
S690Q 0.20 0.80 1.70 0.025 0.015 0.015 0.005 1.50 0.50 0.70 0.06 4.0 0.05 0.12 0.15
S690QL, S690QL1 0.020 0.010

S690QL1 Carbon and Low-alloy Steel Mechanical Properties

EN10025-6 Steel
number
Min. Yield Strength (MPa) Tensile Strength (MPa) Min.
Elongation
≥3 ≤50 >50 ≤100 >100 ≤125 >125 ≤200 ≥3 ≤50 >50 ≤100 >100 ≤125 >125 ≤200
S690Q 1.8931 690 650 630 770 to 940 760 to 930 710 to 900 14
S690QL 1.8928
S690QL1 1.8988
EN 10025-6 Min. impact energy (J) at test temperature (℃)
Grade 0 -20 -40 -60
Longitudinal Transverse Longitudinal Transverse Longitudinal Transverse Longitudinal Transverse
S690QL1 60 40 50 35 40 30 30 27

Equivalent Grade of S690QL1 Carbon and Low-alloy Steel

EU 
EN
USA
ASTM
Germany
DIN,WNr
France
AFNOR
European old
EN
China
GB/T
S690QL1   EStE 690 V     Q690

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