Premium Hot Rolled St52 S355jr Steel Hollow Bar for Industrial Use

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: st52 steel hollow bar
• Molding Technics: Pressure Casting
• Application: Machinery Parts
• Material: Steel
• Heat Treatment: Annealing
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.1mm
• Standard: ASTM
• Certification: ISO 9001:2008
• Name: Die Forging S355 Steel Cylinder Tube
• Processing: Forging
• Technology: Roungh Machining
• Size: 1000-5000mm
• Transport Package: Wooden Package and Steel Package
• Specification: s355 lf2 steel hollow
• Trademark: s355 steel cylinder tube
• Origin: Jiangsu China
• HS Code: 73269090
• Production Capacity: 3000 Ton/Month

Product Description

Name:Hot rolling St52 S355jr aisi4140 aisi4340 sae1045 steel hollow bar

Forged sleeve are use in industry, such as forging equipment; power plant equipment; hydraulic equipment; rolling mill equipment; petroleum machinery, etc.
The production process as "EF + (LF) + (VD) + ESR + forging and annealing (or normalizing) + heat treatment (quenching and tempering) + Machining + packaging + delivery "!
Quality control: chemical analysis, optical spectrum instrument, Mechanical properties for tensile strength, yield stress and elongation. Hardness testing, impact testing, coordinate measuring machine (CMM), metallographic analysis, magnetic flaw detector, Ultrasonic flaw detector.

Specifications:

Description	Forged steel sleeve ,forging steel hollow bar
Material	Alloy steel (42CrMo, 35CrMo, 40CrNiMo etc.), carbon steel(1020,1045), stainless steel(304,316,416,630) etc.
Material standard	ASTM, ISO and EN etc.
Dimension	OD: 1500mm/ID: 900mm Length: 1000mm
Weight	10000Kg
Smelting Process:	EF+LF + VD
Process	Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →Rough machining→UT →2nd Heat treatment →finishing machining →Inspection
UT standard	ASTM A388 or EN10228.3 level 3

Competitive Advantage:
1. Good mechanical properties;
2. High tensile strength;
3. Well-closed formation;
4. Comparative price;
5. High-quality production;
6. Customized services, manufacturing according to your specific requirements.
How to pack