Weldability Analysis of ASTM A202 Grade B Stee

ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.

2026-04-30
Mechanical Properties of ASTM A202 Grade A Ste

ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.

2026-04-30
ASTM A202 Pressure Vessel Steel Plate

ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel

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ASTM A204/A204M Grade B molybdenum alloy steel

ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A

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ASTM A204 Gr.A Molybdenum Alloy Pressure Vesse

As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure

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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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