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Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.2026-08-26
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SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.2026-08-19
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ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.2026-08-11 -
A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.2026-08-04
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SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.2026-07-31
Best Choice ! EN 10083 42GrMo4 High Luster Alloy steel sheet

EN 10083 42crmo4 Alloy steel sheet is an industrial material. Compared with 35 CrMo steel requires higher strength and greater cross-section of quenched and tempered forgings with EN10083 42CrMo4 better, such as locomotive traction with the large gear, also apply to one piece of electrical, electronic mold, plastic mold, mold base, etc.
EN 10083 42CrMo4 steel sheet strength, high hardenability, toughness, and quenching small deformation, high strength and creep rupture strength at high temperatures. 42CrMo4 steel standard AISI 4140 steel in the United States improved varieties. The steel of good workability, easy to polish, easy to bite flowers, can be plated.
Standard Comparison:
Chinese GB 42CrMo, Russia ГOCT 38XM, the United States AISI 4140/4142, the British BS 708M40 / 708A42 / 709M40, France NF 40CD4 / 42CD4, German DIN 41CrMo4 / 42CrMo4, Japan JIS SCM4, international ISO 683/1 3
Chemical composotion(%)
C :0.38~0.45 Si:≤0.40 Mn:0.60~0.90 S :Allow the residual content≤0.035 P :Allow the residual content≤0.035 Cr:0.90~1.20 Mo:0.15~0.30
Mechanical Properties
Tensile strength σb (MPa): ≥1080 (110)
Yield strength σs (MPa): ≥930 (95)
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