ASTM A519 4140 Honed Seamless Steel Tube
Guangzhou Kingmetal Steel Industry Co., Ltd.- Usage：Pipeline Transport, Chemical Industry, Construction & Decoration, Special Purpose
- Surface Treatment：Galvanized,Black,Oiled.etc
- Technique：Cold Drawn or ERW
- Material：Carbon Steel
- Type：Seamless or ERW Welded
- Section Shape：Round,Square
Base Info
- Trademark：Kingmetal
- Specification：4mm~260mm
- Transport Package：in Bundle
- Thickness：5mm~58mm
- Diameter：4mm~260mm
- Model NO.：KM-20200723
- Origin：Made in China
- HS Code：73041930
- Production Capacity：2000 Tons Per Months
Description
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