ASTM A572 Grade 50 is a high-strength low-alloy (HSLA) steel renowned for its excellent combination of tensile strength, weldability, and formability. It is widely used in structural applications where durability and load-bearing capacity are critical. Below is a comprehensive breakdown of this steel grade:

1. Core Specifications & Standards

Standard: Defined by ASTM A572 (imperial) and ASTM A572M (metric), which outline requirements for high-strength low-alloy columbium-vanadium steels.

Grade Designation: "Grade 50" refers to its minimum yield strength of 50 ksi (kilopounds per square inch) in imperial units, equivalent to approximately 345 MPa (megapascals) in metric (1 ksi ≈ 6.895 MPa).

 

 

 

 

 

 

2. Mechanical Properties

These properties make ASTM A572 Grade 50 suitable for heavy-duty structural use:

 

Yield Strength (minimum): 345 MPa (50 ksi) – the stress at which the steel begins to deform permanently.

Tensile Strength: Typically ranges from 450–620 MPa (65–90 ksi) – the maximum stress the material can withstand before fracturing.

Elongation: Minimum 18% (in a 200 mm gauge length) – indicating good ductility, allowing it to stretch under load without brittle failure.

Impact Toughness:

For standard applications, no mandatory impact test is required, but it exhibits acceptable toughness at ambient temperatures.

For low-temperature environments (e.g., below 0°C/32°F), supplementary requirements (e.g., Charpy V-notch testing at -10°C/14°F with a minimum 20 J impact energy) may apply, depending on the project specification.

 

 

Specification we supply：

Thickness	3-200mm
Width	1500-4000mm
Length	5000-15000mm

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our Astm A572 Grade 50 High Tensile Steel, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
 

Hot Tags: astm a572 grade 50 high tensile steel, China astm a572 grade 50 high tensile steel suppliers, factory, 2 4642, 2 4819, 2 4851, GH3044, HastelloyC, N10001