H13 Seamless steel Pipe Mandrel Bars steel
Material: H13 （ 4Cr5MoSiV1）
Type: Forging Product
Processing: EAF + LF + VD + Electroslag remelting + Forging roughcast + Rolling + Tempering + Machining+ Chromate treatment + Packing
Diameter: 80-450MM Length: 2500-22000MM
Application: Mandrel bar is the one of important tools to create seamless tube.
Ultrasonic testing standards : EN 10228-3 , Class 3
Packaging : Oil rusty on the fully surafce of the mandrel bar, Anti-rusty period : 6 month
Production leadtim: 45~80 days
Chemical Composition (m%)
|
Element
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Mo
|
V
|
|
(%)
|
0.35-0.42
|
0.20-0.40
|
0.80-1.20
|
≤0.008
|
≤0.005
|
4.80-5.50
|
1.20-1.40
|
0.80-1.20
|
Mechanical Property
|
SIZE
(Q+T)
|
Tensile Strength
MPa
|
Yield Strength
MPa
|
Elongation
%
|
Reduction of area
%
|
Charpy V-notch
Impact test (J)
(room temperature)
|
Hardness
HB
|
|
≤200mm
|
1127-1274
|
≥931
|
≥8
|
≥25
|
≥20
|
350-390
|
|
≥200mm
|
1078-1274
|
≥882
|
≥8
|
≥25
|
≥20
|
330-375
|
The following reports provide to the customers to assure our quanlity:
a) Chemical Composition Report
b) Mechanical Properties Report
c) Dimension Test Report
d) Hardness Test Report
e) Heat Treatment Chart Report
f ) UT, MT Test Report
g) Or Others according to clients' demand
Most of our product are OEM, and we could manufacture according to your specific requirement or drawing.
