Hot Forging St5 Steel Bright Cylinder Tube

• Customization: Available
• Application: Aerospace Industry, Automotive Industry, Construction Industry, Marine Industry, Medical Industry
• Certification: CE, ISO9001
• Model NO.: A+ forging steel cylinder tube
• Corrosion Resistance: Medium Corrosion Resistance
• Journal Diameter Dimensional Accuracy: IT6-IT9
• Journal Relative Position Accuracy: 0.01-0.03mm
• Journal Surface Roughness: 0.63-0.16μm
• Shaft Type: Hollow Shaft
• Strength: Medium Strength
• Surface Finish: Polished
• Tolerance: Standard Tolerance
• Size: 1/4′′ to 500′′
• Name: St5 Steel Hollow Tube
• Technology: Forging
• Od: 1/4′′ to 500′′
• Transport Package: Wooden Package and Steel Package
• Specification: s355jr steel hollow bar
• Trademark: S235 steel hollow axle
• Origin: China
• HS Code: 73269090
• Production Capacity: 3000 Ton/Month

Product Description

Name: Hot forging St5 Q345 steel cylinder tube

We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentric shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry etc.

 Product List

Name	Technique	Material	Dia/mm	Wall thickness	Length/mm
Forging shaft	Forging+turning+grinding	alloy steel carbon steel stainless steel	200-800	----	500-10000
Hollow shaft	Forging+drilling+turning		150-800	≥15mm	≤7000
Shaft sleeve	Forge+drill & bore+turning +milling		400-700	≥15mm	≤8000
Large bolt	Rolled/forge+turning+threading		300-800	----	≤7000
Hydraulic cylinder	Forging+drill & bore+ turning		300-2000	≥10mm	≤10000
Other parts in deep-hole	Forge+ drill & bore+turning+mill		300-2000	----	≤10000

Product Flow
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, UT( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification: ISO 9001: 2008, IQNET

How to pack