API-2W API-2H API-2Y Structural Steel Plate for Offshore Platforms

API-2W API-2H API-2Y Structural Steel Plate for Offshore Platforms

Discover the reliability and strength of API-2W, API-2H, and API-2Y structural steel plates, engineered specifically for offshore platforms. These plates are pivotal in constructing robust offshore structures that withstand extreme marine environments, offering exceptional corrosion resistance and high tensile strength. Designed to meet rigorous API standards, including API-2W for welded construction, API-2H for offshore platforms, and API-2Y for offshore structural integrity, each grade ensures durability and safety in offshore oil and gas operations. Ideal for engineers and contractors seeking superior performance in harsh offshore conditions, API-2W, API-2H, and API-2Y structural steel plates are essential for enhancing offshore platform resilience and operational longevity.

Chemical Composition of API-2W API-2H API-2Y Structural Steel Plate for Offshore Platforms

Grade

C

Si

Mn

S

P

Al

Nb

Ti

Cu

Cr

Ni

Mo

API 2W-50, API 2W-60

≤0.16

0.05~0.50

1.15~1.60

≤0.010

≤ 0.030

≥0.015

≤0.03

≤0.02

≤0.35

≤0.25

≤0.75

≤0.08

API 2H-42

≤0.18

0.05~0.40

0.90~1.35

≤0.010

≤ 0.030

≥0.015

≤0.04

≤0.02

≤0.35

≤0.25

≤0.75

≤0.08

API 2W-50

≤0.18

0.05~0.40

1.15~1.60

≤0.010

≤ 0.030

≥0.015

≤0.04

≤0.02

≤0.35

≤0.25

≤0.75

≤0.08

API 2Y-50, API 2Y-60

≤0.12

0.05~0.50

1.15~1.60

≤0.010

≤ 0.030

≥0.015

≤0.03

≤0.02

≤0.35

≤0.25

≤0.75

≤0.08

Mechanical Properties of API-2W API-2Y Structural Steel Plate for Offshore Platforms

Grade	Tensile Test					V-notch Impact Test
	Yield Strength		Tensile Strength	Elongation		Temperature，℃	Impact Energy KV2，J
	ReL, MPa		Rm, MPa	A，%			Longitudinal, min.
	≤25mm	＞25mm		50 mm	200mm
50	345-517	345-483	≥448	≥23	≥18	-40	41（Single Value≥34J）
60	414-621	414-586	≥517	≥22	≥16	-40	48（Single Value≥41J）

Mechanical Properties of API-2H Structural Steel Plate for Offshore Platforms

Grade	Tensile Test					V-notch Impact Test
	Yield Strength		Tensile Strength	Elongation		Temperature，℃	Impact Energy KV2，J
	ReL, MPa		Rm, MPa	A，%			Longitudinal, min.
	≤25mm	＞25mm		50 mm	200mm
42	≥289	≥289	427-565	≥22	≥18	-40	34（Single Value≥27J）
50	≥345	≥324	483-620	≥21	≥16	-40	41（Single Value≥34J）

Specifications

Standard	API-2W API-2H API-2Y Structural Steel Plate for Offshore Platforms
Steel Grade/Material	Grade 50, Grade 60, Grade 42
Dimension	T 5-350mm × W 900-4100mm × L 3000-25000mm
Packing	Packed with steel-framed plywood pallets
Supply Conditions	AR = as-rolled TM = thermo-mechanical controlled processing CR = controlled QT = quenched and tempered N = normalized
Place of Origin	Made in China
MOQ	50 Tons
Transportation	Railway, By Sea

Applications of API-2W API-2H API-2Y Structural Steel Plate for Offshore Platforms

Offshore Platforms: API-2W, API-2H, and API-2Y structural steel plates are essential for constructing offshore platforms, including fixed and floating structures. They provide robustness and durability to withstand harsh marine environments, ensuring safety and longevity.

Oil and Gas Exploration: Utilized extensively in the oil and gas industry for offshore drilling rigs, production platforms, and subsea equipment where high strength and corrosion resistance are critical for operational reliability.

Pipelines and Subsea Infrastructure: Applied in the construction of pipelines, risers, and subsea infrastructure components, ensuring structural integrity and safety in deep-sea environments.

Wind Turbine Foundations: Used in the foundations of offshore wind turbines, supporting the structures against dynamic loads and environmental factors in offshore wind farms.

Structural Integrity: Trusted for their adherence to stringent API standards, these plates contribute to maintaining structural integrity and operational efficiency in offshore installations, supporting global energy production and exploration efforts.