- Product Details
- {{item.text}}
Quick Details
-
Oiled or Non-oiled:
-
Non-oiled
-
Place of Origin:
-
Jiangsu, China
-
Outer Diameter:
-
50 - 610 mm
-
Thickness:
-
10 - 50 mm
-
Grade:
-
CK45,27Simn,ST52
-
Name:
-
High Precision Honed tube
-
Material:
-
CK45,27Simn,ST52
-
Hardness:
-
220HRB Or As Customer Requirements
-
Key words:
-
Honed tube
-
MOQ:
-
500KG
-
Package:
-
Seaworthy Standard Package
-
Payment Term:
-
T/T
Quick Details
-
Section Shape:
-
Round
-
Surface Treatment:
-
As customers demand
-
Tolerance:
-
±5%
-
Oiled or Non-oiled:
-
Non-oiled
-
Place of Origin:
-
Jiangsu, China
-
Outer Diameter:
-
50 - 610 mm
-
Thickness:
-
10 - 50 mm
-
Grade:
-
CK45,27Simn,ST52
-
Name:
-
High Precision Honed tube
-
Material:
-
CK45,27Simn,ST52
-
Hardness:
-
220HRB Or As Customer Requirements
-
Key words:
-
Honed tube
-
MOQ:
-
500KG
-
Package:
-
Seaworthy Standard Package
-
Payment Term:
-
T/T
We supply high-quality seamless steel pipe, carbon steel pipe,alloy steel pipe，precision steel pipe,honed tube, chrome rods and so on. It keeps a large number of stocks all year round with complete types and specifications; We has always been the quality first, reasonable price, thoughtful service, let customers as the principle of honesty and trustworthiness for the purpose. Choosing cooperate with our company is your right and best choices.
Products Description
Material: 20# 45# 16Mn 27SiMn ST52
Standard: GB/T87138-88 GB/T3636-2000 DIN2391 EN10305
Straightness: 0.3--0.8mm/m
Roughness (Ra): 0.2 to 0.8 um
Tolerance : ISO H7,H8,H9
Conservation: Anti rust oiled both inside and outside surface, plastic caps in both ends
Standard: GB/T87138-88 GB/T3636-2000 DIN2391 EN10305
Straightness: 0.3--0.8mm/m
Roughness (Ra): 0.2 to 0.8 um
Tolerance : ISO H7,H8,H9
Conservation: Anti rust oiled both inside and outside surface, plastic caps in both ends
Chemical Composition(%):
|
Grade
|
C(max)
|
Si(max)
|
Mn
|
P
|
S(max)
|
|
ST35
|
0.17
|
0.35
|
>=0.40
|
0.025
|
0.025
|
|
ST42
|
0.21
|
0.35
|
>=0.40
|
0.025
|
0.025
|
|
ST52
|
0.22
|
0.55
|
<=1.60
|
0.025
|
0.025
|
Mechanical Properties:
|
Steel
|
Tensile strength
|
Yield
|
Elongation
|
Hardness HB
|
|
20#
|
530
|
505
|
12
|
175
|
|
45#
|
660
|
630
|
9
|
190
|
|
16Mn
|
595
|
575
|
9
|
190
|
|
27SiMn
|
840
|
805
|
7.5
|
230
|
Product Description:
|
Processing form
|
I.D
|
Length
|
Straightness
|
I.D Tolerance
|
I.D Roughness
|
|
Cold-rolled
|
20-100
|
<=10m
|
0.3-1.0
|
H7-H9
|
0.4-1.6
|
|
Cold-drawn
|
76-245
|
<=12m
|
0.3-1.0
|
H7-H9
|
0.8-1.6
|
|
Honed
|
40-180
|
<=7m
|
1000
|
H7-H9
|
0.4-0.8
|
|
SRB
|
63-180
|
<=7m
|
1000
|
H7-H8
|
0.1-0.4
|
Specifications:
|
Size:
|
Ø 6-300mm
|
|
Length:
|
1m -9m
|
|
Material:
|
CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel
|
|
Tolerance
|
ISO f7
|
|
Chrome thickness:
|
20~30micron
|
|
Hardness of the chrome layer:
|
800HV(min)
|
|
Roughness:
|
Ra 0.2micron (max)
|
|
Straightness:
|
0.2/1000mm
|
|
Yield Strength
|
≥350 Mpa
|
|
Tensile Strength
|
≥580 Mpa
|
|
Elongation
|
≥ 15%
|
|
|
1.Hard chrome plated
|
|
|
2.Induction hardened
|
|
|
3.Quenched & Tempered
|
|
|
4.Induction hardened with Q&T
|
Chemical Composition:
|
Material
|
C%
|
Mn%
|
Si%
|
S%
|
P%
|
V%
|
Cr%
|
|
Ck45
|
0.42-0.50
|
0.50-0.80
|
0.17-0.37
|
≤0.035
|
≤0.035
|
|
≤0.25
|
|
ST52
|
≤0.22
|
≤1.6
|
≤0.55
|
≤0.04
|
≤0.04
|
0.02-0.15
|
|
|
20MnV6
|
0.17-0.24
|
1.30-1.70
|
0.10-0.50
|
≤0.035
|
≤0.035
|
0.10-0.20
|
≤0.30
|
|
42CrMo4
|
0.38-0.45
|
0.50-0.80
|
0.17-0.37
|
≤0.035
|
≤0.035
|
0.07-0.12
|
0.90-1.20
|
|
40Cr
|
0.37-0.45
|
0.50-0.80
|
0.17-0.37
|
≤0.035
|
≤0.035
|
|
0.80-1.10
|
Mechanical Properties:
|
Material
|
T.S N/MM2
|
Y.S N/MM2
|
E%(MIN)
|
CHARPY
|
CONDITION
|
|
CK45
|
610
|
355
|
15
|
>41J
|
NORMALIZE
|
|
CK45
|
800
|
630
|
20
|
>41J
|
Q + T
|
|
ST52
|
500
|
355
|
22
|
|
NORMALIZE
|
|
20MnV6
|
750
|
590
|
12
|
>40J
|
NORMALIZE
|
|
42CrMo4
|
980
|
850
|
14
|
>47J
|
Q + T
|
|
40Cr
|
1000
|
800
|
10
|
|
Q + T
|
Hot Searches
