Structural Steel Plate for Building Construction 20crmo 34CrMo4 Hot Rolled Steel Coil

• Customization: Available
• After-sales Service: 3 Years
• Warranty: 1 Years
• Standard: ASTM, JIS, GB, AISI, BS
• Certification: ISO, BV
• Surface Treatment: Bright / Matte
• Technique: Hot Rolled
• Stock: Stock
• Product Name: Structural Steel Plate for Building Construction
• Material Grade: Sn400A Sn400b/C Sn490b/C
• OEM / ODM: Accepted
• Width: 600-1250 mm
• Length: 1000~6000 mm
• Surface Finish: Hot Rolled
• Features: Excellent Corrosion Resistance, High Strength, Goo
• Mill: Baosteel / Shougang/Tisco
• Tolerance: ± 1%
• Brand Name: Rarlon
• Inspection: Mtc, Third Party Inspection
• Skin Pass: Yes
• Shape: Plate, Coil, Sheet
• Coil Weight: 3-8mt
• Transport Package: Export Seaworthy Standard
• Specification: 0.3-2.5 mm
• Origin: Tianjin, China

Product Description

Product Description

Q235GJ, Q345GJ, and Q460GJ series structural steel plates are produced using advanced manufacturing processes and offer excellent weldability, machinability, and processing performance. They are mainly used in high-rise and super high-rise buildings, large-span stadiums, airports, exhibition centers, steel structure workshops, and transmission towers—where structural complexity and high reliability are essential.

Specification

Category	Standard	Grade	Remarks
Chinese standard	GB/T19879-2005	Q235GJB/C/D/E Q345GJB/C/D/E Q390GJ/C/D/E Q420GJ/C/D/E Q460GJ/C/D/E (Z15/ Z25/ Z35)	Steel plates for building structure
Foreign standard	JIS G3136	SN400A SN400B/C SN490B/C	Steel plates for building structure

Company Profile

FAQ

Q1: Can I get a sample before bulk order?

Yes. We can provide free A4 size samples for quality checking. For customized size or large samples, sample cost will be refunded after order confirmation.
Q2: What is your MOQ (Minimum Order Quantity)?
Our MOQ is 5 tons. However, we accept trial orders for new customers. Please contact us for specific size and quantity.
Q3: What's the delivery time?
 Usually 7-15 working days after receiving the deposit. For stock sizes, delivery can be arranged within 3-5 days.
Q4: What grades and standards do you supply?
We supply SPCC, DC01, Q195, ST12 and more, compliant with JIS G3141, EN 10130, ASTM A1008 standards. If you need other grades, contact us for availability.
Q5: How do you ensure quality control?
We perform 100% inspection before delivery, and support third-party inspections (SGS, BV, TÜV) upon request. Mill test certificates (MTC) are provided for every batch.
Q6: What is your packaging method? Will the steel rust during shipping?
 All coils/sheets are packed with anti-rust paper + edge protector + steel belt + waterproof wrap + wooden pallet to ensure seaworthy protection. We also apply rust-proof oil if required.