Carbon Steel Structural Flat Bar A36
The materials of flat steel are mainly divided into two categories: carbon structural steel and low alloy structural steel.
Common material classification
‌Carbon structural steel‌: used for general engineering structures, such as building frames, bridges, etc.
‌Low alloy structural steel‌: higher strength, better corrosion resistance, suitable for chemical equipment, marine engineering and other scenarios. ‌
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Product Description
Product NameCarbon Steel Structural Flat Bar 
TypeRound bar,Angle bar,Channel bar,Square bar,Flat bar,I/H bar,Hexagonal bar and profiles
SurfaceBlack,bright,rough turned,grinding,centreless Ground etc
StandardGB,AISI,ASTM,DIN,EN,SUS,UNS etc
Diameter0.5-500mm
TechniqueHot Rolled,Cold Rolled,Cold Drawn,Forged
ToleranceH8,H9 or as required
GradeGB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B, Q345B, Q345C, Q345D, Q345E, Q390A, Q390B,Q390C,Q390D, Q390E, Q420, Q420B, Q420C, Q420D, Q420E, Q460D, Q460E, Q500D, Q500E, Q550D, Q550E, Q620D, Q620E, Q690D, Q690E
EN:S185,S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690Q
ASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade42, Grade 50, Grade 55, Grade 60, Grade 65, Grade 80
JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE

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Company Profile

Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

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Certificate

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  • 微信图片_2025-07-25_175510_390
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  • 微信图片_2025-07-25_175522_605
  • 微信图片_2025-07-25_175448_750

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