Steel plates, Brand Name : GSL

We are offering steel plates.
Technical conditions for caterpillar of 1e0682
1. Scope
the technical conditions apply to plates of 1e0682 with thickness not more than 40mm used for caterpillar's construction machinery.
2. Adopt standard:
wyj001-2006 standard specification for high-yield-strength, quenched and tempered alloy steel plate, suitable for welding
astm a6a6m standard specification for general requirements for rolled structural steel bars, plates, shapes, and sheet piling
astm a370 standard test methods and definitions for mechanical testing of steel products
3. Dimension, shape, weight and permissible deviation
the dimension, shape, weight and permissible deviation shall meet the requirements of astm a6a6m.
flatness: 4mmm, waves of plate no more than 3 place per meter.
4. Technical conditions
4.1 chemical composition (ladle and product analysis)
the chemical composition of plates shall be accordance with the following table 1.
table 1 chemical composition (ladle and product analysis)
c si mn p s al cr v ti mo b ni pb sn
0.13- 0.20 0.15- 0.45 1.0- 1.40 max 0.025 max 0.015 min 0.020 max 0.20 max 0.07 max 0.065 max 0.15 0.0005- 0.0030 max 0.30 max 0.02 max 0.03
note: [mo] not more than 0.25%.
4.2 steel making process: eaf+lfvd-
4.3 mechanical properties
the mechanical properties of 1e0682 shall meet the requirement as table 3.
table 3 mechanical properties
yield strength mpa tensile strength mpa elongation % 50mm
transverse elongation %
50mm longitudinal section shrinkage ratio % transverse section shrinkage ratio % longitudinal
min 620 725-860 min 16 min 18 min 35 min 40
4.4 surface quality
the surface quality of plates shall be not bubble, scab, cracking, folded, entrainment, pockmark, indentation oxide scale and etc surface defects.