ASTM A519 4140 Honed Seamless Steel Tube

• Type: Seamless or ERW Welded
• Technique: Cold Drawn or ERW
• Material: Carbon Steel
• Surface Treatment: Galvanized,Black,Oiled.etc
• Usage: Pipeline Transport, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round,Square
• Model NO.: KM-20200723
• Diameter: 4mm~260mm
• Thickness: 5mm~58mm
• Transport Package: in Bundle
• Specification: 4mm~260mm
• Trademark: Kingmetal
• Origin: Made in China
• HS Code: 73041930
• Production Capacity: 2000 Tons Per Months

Product Description

ASTM A519 4140 Honed Seamless Steel Tube

1.Standard: ASTM A519
2.Materials: 4140
3.Technical: cold-drawn seamless
4.Technology: Honed & SRB (Skived and Roller Burnished)
5.Application: used in the hydraulic cylinder of the Heavy Machinery, Cranes, Excavator and Forklifts.etc
6.OD:4-260mm WT:5-25mm

Delivery Condition: BK.BKW,BK+S,GBK,NBK

Straightness: 0.5mm/1m max for tubes below 3m,0.8mm/1m max for tubes between 3 to 6m, 1.2mm/1m for tubes above 6m

Technology: Honed & SRB (Skived and Roller Burnished).

Application: used in the hydraulic cylinder of the Heavy Machinery, Cranes, Excavator and Forklifts.etc

ASTM A519 4140 Chemical Composition

4140	C	Si	Mn	Cr	Mo	P	S
Min. %	0.36	0.10	0.65	0.75	0.15	0	0
Max %	0.44	0.40	1.10	1.20	0.35	0.04	0.04

 

ASTM A519 4140 Mechanical properties

4140	Tensile KSI	0.2% Proof Stress KSI	Elongation	Reduction of area%	Hardness HRC	Hardness Brinell
min	100	80	20	40	180	217
max	130	110	/	/	22	235