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Help CenterA106/a53 Grb b Carbon Seamless Precision Steel Tube for Construction
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welcome to our company:
we are the manufacturer of precision seamless steel tube ,and we are the top 5 manufacturer in China ,our company located in a beautiful coastal city -yantai,It is established in 1992,so we have more than about 20 years in seamless steel tube .we mainly produces various specificatuions of cold finished precision steel tube ,which are widely used in hydraulic and pneumatic cylinder for automobile ,engineering machinery,textil machinery ,printing machinery ,oil drilling and other filed.
about our best products
Description |
a106/a53 grb b carbon seamless precision steel tube for construction |
Standard |
ASTM ,GB ,DIN, EN AISI etc |
Material |
10#-45#,16Mn,ST35-ST52,Q345 |
O.D |
30mm-250mm |
W.T |
2mm-30mm |
Length |
According to the customer’s need |
Surface/End |
According to the customer’s request |
Certificate |
ISO9001 2008 |
Technique |
Cold drawn /rolled ,hot rolled ,etc. |
Surface |
Polished, black, bright. or according to the customer’s acquirement |
Application |
Hydraulic cylinder , automobile, oil drilling etc. |
Package |
We usually bundle with steel strips ,branding parcel or wooden box outside or according to the customer’s need |
Delivery Time |
1.The products in stock will delivery immediately received the deposit 2.According to the order quantity, the delivery time ranges from ten days to twenty days |
some dimensions
40*50 |
90*110 |
140*170 |
190*215 |
40*55 |
95*110 |
145*170 |
190*220 |
50*60 |
95*115 |
150*170 |
190*225 |
50*65 |
100*110 |
150*175 |
200*220 |
55*70 |
100*114 |
150*180 |
200*225 |
60*70 |
100*115 |
155*180 |
200*230 |
60*75 |
100*120 |
160*175 |
200*245 |
60*78 |
100*125 |
160*180 |
200*250 |
63*73 |
105*125 |
160*185 |
220*250 |
63*75 |
110*125 |
160*190 |
220*270 |
63*76 |
110*130 |
160*195 |
225*250 |
63*78 |
115*130 |
165*190 |
240*273 |
65*80 |
115*135 |
165*205 |
250*290 |
70*80 |
120*140 |
170*200 |
250*300 |
70*82 |
125*140 |
180*200 |
260*300 |
70*85 |
125*145 |
180*205 |
280*323 |
70*90 |
125*150 |
180*210 |
280*355 |
75*90 |
130*150 |
180*215 |
300*350 |
80*92 |
130*155 |
180*220 |
200*213 |
80*95 |
130*160 |
185*205 |
200*216 |
80*100 |
135*160 |
185*215 |
250*266 |
85*100 |
140*160 |
185*220 |
customized |
90*105 |
140*165 |
190*210 |
about the mechincal
Material |
C |
Si |
Mn |
S(≤) |
P(≤) |
Cr |
Ni |
Mo |
other |
C20# |
0.17—0.23 |
0.17—0.37 |
0.35—0.65 |
0.035 |
0.035 |
≤0.25 |
≤0.30 |
|
Cu≤0.25 |
CK45# |
0.42—0.50 |
0.17—0.37 |
0.50—0.80 |
0.035 |
0.035 |
≤0.25 |
≤0.30 |
|
Cu≤0.25 |
Q345B |
≤0.20 |
≤0.55 |
1.00—1.60 |
0.040 |
0.040 |
V:0.02-0.15 |
Nb:0.015-0.06 |
Ti:0.02-0.20 |
Alt≥0.015 |
|
ST52 E355 16Mn |
≤0.20 |
≤0.55 |
1.00—1.60 |
0.045 |
0.045 |
V:0.02-0.15 |
Nb:0.015-0.06 |
Ti:0.02-0.20 |
16Mn |
25Mn |
0.22—0.30 |
0.17—0.37 |
0.70—1.00 |
0.035 |
0.035 |
≤0.25 |
≤0.25 |
|
|
27SiMn |
0.24—0.32 |
1.10—1.40 |
1.10—1.40 |
0.030 |
0.030 |
|
|
|
|
42SiMn |
0.39—0.45 |
1.10—1.40 |
1.10—1.40 |
0.030 |
0.030 |
|
|
|
|
42CrMo |
0.38—0.45 |
0.17—0.37 |
0.50—0.80 |
0.025 |
0.025 |
0.90—1.20 |
|
0.15—0.25 |
|
about the tolerance of dimension
ID size |
ID deviation (mm) |
|||
H7 |
H8 |
H9 |
H10 |
|
30 |
+0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
>30~50 |
+0.025 0 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
>50~80 |
+0.030 0 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
>80~120 |
+0.035 0 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
>120~180 |
+0.040 0
|
+0.063 0 |
+0.100 0 |
+0.160 0 |
>180~250 |
+0.046 0 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
the finished products
about our packaging and shipping
(1)Delivery time: In 20 days or according to client's requires
(2)Trade terms: EXW/FOB/CIF etc
(3)Payments: T/T or L/C or according to client's requires
(4)Port: Yantai or Qingdao
(5)MOQ: 5 metric tons or at customer's demands
(6)Packing: we usually bundle with steel strips ,branding parcel or wooden box outside ,or according to the customer’s acquirement
our processing
about our services :
1. Cargo track service during transporting and feedback service after cargo is loaded on board2. Flexible terms of payment by3. Big discount for repeat customers4. Smooth delivering procedure5. Payment Terms:T/T , L/C And so on.
about our certificate
FAQ
What is the advantage of our company ?
1.Rapid response on any inquiry. 2.Competitive price with best service . 3.Professional inspection department to guarantee quality.4.ISO System 90012008certifa 5 Industry experience over20years.6.Management Systems-Internal Software7.Finished Product Inventory-More Than 5000 Tons.8Raw Material inventory -Over 6000 Mertic Tons.9Shipment of goods -More than 70 countries worldwide.
Send Inquiry to This Supplier
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