A514 Grade Q
Overview
Product sourcing insights & recommendations


A514 Grade Q is a premium quenched and tempered (Q&T) alloy steel engineered for extreme structural demands where high strength-to-weight ratios are critical LeecosteelUniversalsteelamerica. It is distinct within the A514 series for its superior toughness at low temperatures, making it a staple in the mining, construction, and offshore energy industries LeecosteelSsab.
Technical Profile & Performance
* Strength Benchmarks: Delivers a minimum yield strength of 100 ksi for thicknesses up to 2.5 inches, maintaining 90 ksi for heavier sections up to 6 inches MatwebSsab.
* Key Composition: Features higher nickel (1.20–1.50%) and chromium (1.00–1.50%) content compared to other grades, which enhances its deep hardening and impact resistance Leecosteel.
* Fabrication: Optimized for weldability and machinability, though preheating is often required due to its high hardness (approx. 278 Vickers) MatwebLeecosteel.
Market Trends & Pricing Insights (2025–2026)
The market for A514 Grade Q is currently undergoing a "regional divergence" driven by trade policies and infrastructure spending PgisteelLeecosteel:
* Pricing Split: As of 2025, global export prices range from $845–$865 per ton Gangsteel. However, in North America, prices are elevated to $990–$1,120 per ton due to a 25% import tariff implemented in March 2025 GangsteelLeecosteel.
* Demand Drivers: Growth is projected at 1.8% through 2026, heavily supported by the U.S. Inflation Reduction Act (IRA) and global shifts toward green energy infrastructure (e.g., offshore wind platforms) OecdLeecosteel.
* Strategic Sourcing: Buyers are increasingly prioritizing domestic service centers for "T-1" type steels to avoid long lead-time risks and logistical delays LeecosteelLeecosteel.
I have identified 12 products and 10 verified suppliers specializing in high-strength A514 Grade Q plates. Detailed specifications, tiered pricing, and supplier certifications are available in the files below.
Based on these findings, you can continue with:
A514 Grade Q Steel Plate High Yield Strength 100 Ksi
Products · Top picks & verified manufacturers

ASTM A514 High Strength Steel Plate Q460d Q690d Q690e 6mm 8mm 10mm 12mm 14mm 16mm Carbon Hot Rolled Bending Welding Cutting
Shandong Jichang Import And Export Co., Ltd.verified🇨🇳CN6 yrs
High Quality High Strength Structural Steel Plate S460ML ASTM A514 Q690D Q890D Q960D High Strength Steel Plate
Shandong Renai Iron & Steel Co., Ltd.verified🇨🇳CN4 yrs
Hot Rolled Steel Plate ASTM A36 10mm Thick Steel Sheet A516 Gr 70 Hot Rolled Carbon Steel Plate Price
Shandong Kai Steel Import And Export Co., Ltd.verified🇨🇳CN8 yrs
Mild Steel Custom Base Plates A516 Gr.60 Steel Plate Price 1010 1020 1045 Carbon Steel Plate
Jiangsu Hengshuntai Steel Co., Ltd.verified🇨🇳CN5 yrs
Hot Rolled ASTM A512 A572 Gr50 A36 ST37 S45C ST52 SS400 S355JR S355 Q345B Q690D S690 65Mn 4140 Carbon Alloy Steel Plate Price
Huaping Steel (Shandong) Co., Ltd.verified🇨🇳CN6 yrs
A516 Grade 70 Cheap 1006 Low 1095 1085 1070 Pultrude 1.2Mm Industry Standard Carbon Steel Plate
Tianjin Shengyuxin Steel Trading Co., Ltd.verified🇨🇳CN1 yr
Best-selling Quality High Strength Ms Standard Steel Plate Q175 Q215 Q235 Q275 Carbon
Tianjin Tiangang Weiye Steel Tube Co., Ltdverified🇨🇳CN18 yrs
Aisi/Astm A36 Hot Rolled High Quality High Strength Ms Carbon Steel Plate/Sheet
Shandong Tisco Stainless Steel Co., Ltd.verified🇨🇳CN6 yrs
Hot Rolled Carbon Steel Plate A516 1018 1045 4.5-25mm ASTM for Shipbuilding Boiler Container High-Strength ISO Certified
Liaocheng Youqian Steel Pipe Co., Ltd.verified🇨🇳CN3 yrs
Steel Mild Ms High Carbon Steel Plates Cold Rolled China Low Carbon Plate 20mm Price A516 Gr 70 A36 A284gr
Shandong Huaye Steel Processing Co., Ltd.verified🇨🇳CN3 yrs
High 1075 C45 S355 12mm Q235 S235jr Price A516 Gr 70 S890ql Carbon Steel Plate Manufacturer
Jiuzhou Metal Products (shandong) Co., Ltd.verified🇨🇳CN5 yrs
High 1075 C45 S355 12mm Q235 S235jr Price A516 Gr 70 S890ql Carbon Steel Plate Manufacturer
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Sources & References
25 sources cited · Verified industry data & reports

ASTM A514 Grade Q
SSAB
A514 Grade Q has a minimum yield strength of 100 ksi up to 2.5 inches in thickness and 90 ksi for plates greater than 2.5 inches up to 6 inches in thickness.

A514-Q Plate
Universal Steel America
A514-Q is a quenched and tempered alloy steel plate that exhibits high yield strength, strong weldability, and good toughness at low atmospheric temperatures.

ASTM A514 & T1 Steel Plate
Leeco Steel, LLC
Overview: · Commonly used as structural steel in cranes or large heavy-load machines, A514 steel plate offers high strength with weldable, machinable properties.

ASTM A514 Steel, grade Q, plate thickness ≤ 19 mm
MatWeb
Hardness, Vickers, 278, 278 ; Tensile Strength, Ultimate, 828 MPa, 120000 psi ; Tensile Strength, Yield, 690 MPa, 100000 psi ; Elongation at Break, 18 %, 18 %.

A514 Grade Quenched and Tempered Steel Alloys
Metals USA
A514 grade steel is high yield strength quenched and tempered steel, mainly used for application in welded parts and other structures, such as building and ...

A514 Grade Comparison: Grade B, E, H, Q Differences
CJM Steel Group Ltd.
ASTM A514 grades are widely used in high-strength structural applications where weight reduction and load-bearing performance are critical.
