S1100QL/1.8942 6-40mm weld-able extra high strength steel plate
1. Scope
The extra high strength steel plates of S1100QL with thickness not more than 40mm use for Weld-able heavy equipments and parts. Equivalent to DILLIMAX 1100, 1.8942.
Thickness: 6-40mm
Width:1500-4000mm
Length:3000-18000mm
2. Technical conditions
2.1 Chemical composition (Ladle analysis)
The chemical composition of plates shall be accordance with the following table 1.
Table 1 Chemical composition (Ladle analysis)
C | Si | Mn | P | S | Mo | Cr | Ni | Ti | Nb | V | B | Ceq |
Max 0.21 | Max 0.50 | Max 1.60 | Max 0.015 | Max 0.005 | Max 0.70 | Max 0.80 | Max 3.00 | Max 0.025 | Max 0.04 | Max 0.08 | Max 0.0050 | Max 0.71 |
2.2 Mechanical properties
The mechanical properties of S1100QL shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm | Yield strength MPa | Tensile strength MPa | -40 C Akv (J) Longitudinal | Elongation % | Cold bend test |
6-40 | Min 1100 | 1250-1550 | Min 27J | Min 10 | d=3a |
2.3 Surface quality
The surface quality of plates shall be accordance with EN10163-2.
2.4 Ultrasonic inspection
Plates shall be ultrasonic inspected per EN10160-1999 S2E2.
3. Delivery conditions
The delivery conditions for plates of S1100QL shall be Quenching+ Tempering.
4. Other requirements
The other requirements for plates of S1100QL shall be accordance with EN10025-6.
MTC accordance with EN10204 3.1
