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Both grades have the same strength and impact toughness. What's the difference?
S355K2G2W is a weathering steel grade under the European standard EN 10025-5. It belongs to a family of steels designed to resist atmospheric corrosion without needing paint or protective coatings. Instead of fighting rust, it uses rust to its advantage.
Steel standards don't stay still. They evolve. If you've been specifying S355K2G2W for years, you might have noticed changes in certificates and grade references. Here's what shifted between the old and new European standards—and what it means for your
St37-2 is a traditional mild structural steel under old DIN German standard, widely recognized throughout Europe, Middle East and North Africa. “St”
SM570 is high-strength structural steel plate following JIS G3106 standard, designed for structures bearing heavy static and dynamic loads. SM series steel repr
SS400 is the most common general structural steel plate defined under JIS G3101 Japanese industrial standard. The abbreviation SS stands for Structural Steel, a
ASTM A572 Grade 50 belongs to high-strength low-alloy (HSLA) structural steel under ASTM A572/A572M specification. Grade 50 indicates a minimum yield strength o
ASTM A283 Grade C is a carbon steel plate grade governed by ASTM A283 standard, formulated for general-purpose structures requiring moderate tensile strength. T
ASTM A36 is the most widely specified low-carbon structural steel plate under ASTM A36/A36M standard. Designed for general construction, this grade serves globa
ASTM A537 Class 2 is quenched and tempered (QT) heat-treated carbon-manganese silicon steel, offering higher tensile and yield strength than Class 1 for high-pr