Cold Rolled Carbon Steel Plate Customized Q235B ASTM A36 A35
Cold Rolled Carbon Steel Plate – Q235B vs. ASTM A36
Both Q235B (GB/T 700) and ASTM A36 are widely used low-carbon steel plates, but they differ in standards, composition, and applications. Below is a detailed comparison:
Key Difference:
A36 has higher manganese (better weldability & strength).
Q235B has stricter P/S limits (better for cold forming).
Cold-rolled versions have smoother surfaces and tighter tolerances than hot-rolled.
A36 is slightly stronger but less ductile than Q235B.
4. Common Applications
Q235B (Cold Rolled Plate Uses)
✔ General construction (non-critical structures)
✔ Machinery frames, brackets
✔ Sheet metal fabrication (cabinets, panels)
✔ Decorative parts (after surface treatment)

ASTM A36 (Cold Rolled Plate Uses)
✔ Structural steel (buildings, bridges)
✔ Heavy machinery & equipment
✔ Automotive chassis components
✔ Welded & bolted structures
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Products Description

ProductCarbon Steel Sheet/ Embossed/ Galvanized/ Plate
Steel GradeGB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B,
Q345B,Q345C,Q345D,Q345E,Q390A,Q390B,Q390C,Q390D,Q390E,Q420,Q420B,Q420C,
Q420DQ420E,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, Grade 42, Grade 50, Grade 55,
Grade 60, Grade 65, Grade 80
JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE
StandardGB/T709-2006, ASTM A36, JIS G4051,
DIN EN 10083, SAE 1045, ASTM A29M
Thickness0.15mm-300mm
Width500-2250mm
Length1000mm-12000mm or according to customer's special request
ToleranceThickness: +/-0.02mm, Width:+/-2mm
MOQ5 Tons
Application1.Automobile, Bridges, Buildings.
2.Machinery, Pressure vessel industries.
3.Ship building, Engineering construction.
4.Mechanical manufacturing, Pavement slab, ect.
PackageBundle with steel strip,Container shipping
Capacity20000 tons /month
InspectionThe Third Party inspection can be accepted,SGS,BV

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Application

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Packaging & Shipping

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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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