Cold Drawn St52 4140 Steel Bright Hollow Bar/Hydraulic Cylinder Hollow

China Cold Drawn St52 4140 Steel Bright Hollow Bar/Hydraulic Cylinder Hollow, Find details about China Forged Steel Hollow, St52 Steel Hollow Bar from Cold Drawn St52 4140 Steel Bright Hollow Bar/Hydraulic Cylinder Hollow

Basic Info.

Model NO.

st52 steel bright hollow bar

Usage

Machinery Industry

Section Shape

Round

Size

Dn100-2000mm

Cncturning

Roungh Machining

Technology

Forged

Condition

New

Trademark

st52 steel hollow forging

Transport Package

Wooden Package and Steel Package

Specification

forging steel bright hollow

Origin

China

HS Code

73269090

Model NO.

st52 steel bright hollow bar

Usage

Machinery Industry

Section Shape

Round

Size

Dn100-2000mm

Cncturning

Roungh Machining

Technology

Forged

Condition

New

Trademark

st52 steel hollow forging

Transport Package

Wooden Package and Steel Package

Specification

forging steel bright hollow

Origin

China

HS Code

73269090

Product Desciption

Name: Cold drawn aisi4140 st52 steel bright hollow bar

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.

Forged steel hollows 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.

Product List

Name	Technique	Material	Dia/mm	Wall thickness	Length/mm
Forging shaft	Forging+turning+grinding	alloy steel carbon steel stainless steel	200-800	----	500-20000
Hollow shaft	Forging+drilling+turning		150-800	≥15mm	≤17000
Shaft sleeve	Forge+drill & bore+turning +milling		400-700	≥15mm	≤18000
Large bolt	Rolled/forge+turning+threading		300-800	----	≤17000
Hydraulic cylinder	Forging+drill & bore+ turning		300-2000	≥10mm	≤10000
Other parts in deep-hole	Forge+ drill & bore+turning+mill		300-2000	----	≤20000