SA299 Gr.B Steel Plate

Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.

2026-08-26
ASTM SA299 Gr.A and SA299 Gr.B steel plates

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
SA299 Gr. A Steel Plate for Boilers and Pressu

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
What is the difference between A285 Gr. C and

A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.

2026-08-04
What material is SA283 Gr.B?

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

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A515 Gr70 Steel Plate, A515 Gr70 Steel mechanical properties

A515 Gr 70 Steel is a kind of Boiler Steel. A515 Gr 70 Steel tensile strength is 485 Mpa to 620 Mpa and the yield strength is min 260 Mpa. The following is A515 Gr 70 Steel details for your reference:

A515 Gr70 Steel Plate Specification:

Commodity: Boiler Steel Plate

Standards: ASTM

Thickness: 6-50mm

Width: 1500-4020mm

Supply Ability: 10000 Tons per Month.

A515 Gr70 Steel Technique: Hot Rolled, Cold Rolled.

A515 Gr70 Steel chemical composition:

Grade	C (max)					Si (max)	P (max)	S (max)	Mn (max)
Grade	< 12.5 mm	12.5< t ≤50mm	50< t ≤100mm	100< t ≤200mm	t>200mm	Si (max)	P (max)	S (max)	Mn (max)
A515 gr.70	0.31	0.33	0.35	0.35	0.35	0.15-0.4	0.035	0.035	1.2

A515 Gr70 Steel mechanical properties:

Grade	Tensile strength Rm for product thickness in mm	Upper yield stress ReH for product thickness in mm	Elongation after fracture (Lo=5 do) % min
A515 gr.70	480-620	260	17/21

A515 Gr70 Steel main application: A515 Gr70 Steel is widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.

Steel service: Cutting, Painting, Pretreatment, Ultrasonic Test, Third Party Inspection, and so on.

Delivery Condition: Hot rolled, CR, Normalized, Quenched, Tempering, Q+T, N+T, TMCP, Z15, Z25, Z35.

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