🟦 Product Overview

ASTM Channel Steel is produced according to ASTM A6, the general requirements standard for rolled structural steel. The product family includes:

• C‑Channel (Standard Channel)
• MC‑Channel (Miscellaneous Channel)

These channels are widely used in building structures, industrial frameworks, machinery support, and general fabrication due to their excellent strength‑to‑weight ratio, weldability, and dimensional precision.

Common material grades include ASTM A36, ASTM A572, and ASTM A992, covering both carbon structural steel and high‑strength low‑alloy structural steel.

ASTM Channel Steel is widely used in North America and global EPC projects requiring American‑standard structural steel.

🟦 Applicable Standards

• ASTM A6 – General requirements for rolled structural steel
• ASTM A36 – Carbon structural steel
• ASTM A572 – High‑strength low‑alloy structural steel (Grades 42 / 50 / 55 / 60 / 65)
• ASTM A992 – High‑strength low‑alloy structural steel (used in some channel applications)

🟦 Available Grades

• ASTM A36
• ASTM A572 Grade 50 / 55 / 60 / 65
• ASTM A992 (limited availability depending on region)

🟦 Section Types

C‑Channel (Standard Channel)

• Tapered flanges
• Commonly used in building structures and general fabrication
• Designation example: C10 × 20

MC‑Channel (Miscellaneous Channel)

• Parallel or near‑parallel flanges
• Wider range of dimensions
• Suitable for machinery, equipment frames, and custom structures
• Designation example: MC12 × 31

🟦 Dimensions Range

Section Type	Depth (in)	Flange Width (in)	Web Thickness (in)	Weight (lb/ft)
C‑Channel	3–15	1.41–3.00	0.17–0.44	3.5–50
MC‑Channel	3–18	1.41–4.00	0.17–0.60	4–60

Length: 20 ft / 40 ft / custom Tolerance: As per ASTM A6

🟦 Mechanical Properties

ASTM A36

Property	Value
Yield Strength	≥ 250 MPa
Tensile Strength	400–550 MPa
Elongation	≥ 20%

ASTM A572 Grade 50

Property	Value
Yield Strength	≥ 345 MPa
Tensile Strength	≥ 450 MPa
Elongation	≥ 18%

🟦 Chemical Composition (Typical)

ASTM A36

Element	Max (%)
C	0.25
Mn	0.80–1.20
P	0.040
S	0.050
Si	0.40

ASTM A572 Grade 50

Element	Max (%)
C	0.23
Mn	1.35
P	0.040
S	0.050
Si	0.40

🟦 Applications

• Building structures
• Industrial steel frameworks
• Machinery and equipment support
• Vehicle and trailer frames
• Structural reinforcement
• General fabrication and welded assemblies

🟦 Why Use ASTM Channel Steel

• Standardized American dimensions
• High strength and excellent weldability
• Suitable for structural and mechanical applications
• Wide availability in global markets
• Ideal for fabrication and engineering projects

🟦 Why Choose WelSteels

• Full range of C‑Channel and MC‑Channel
• ASTM A36 / A572 / A992 grades available
• CNC cutting, drilling, and fabrication services
• SGS / BV third‑party inspection available
• Export‑grade seaworthy packaging
• Fast delivery from stock and mill production