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Help CenterDouble Hexagon 45#/S45C/1045/40Cr/4140 Seamless Steel Tube for Construction Coupling
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Double Hexagon 45#/S45C/1045/40Cr/4140 seamless steel tube for construction coupling
material:35,45,16Mn,40Cr
material |
other standard |
Chemical composition |
|||||
C |
Si |
Mn |
S |
P |
Cr |
||
20 |
S20C |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
16Mn |
0.17-0.23 |
0.17-0.37 |
1.00-1.60 |
≤0.035 |
≤0.035 |
||
35 |
S35C |
0.32-0.39 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
45 |
S45C/SAE 1045 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
|
40Cr |
4140/SCM440 |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.08-1.10 |
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
|
OD:20,30,40,50,60,70MM
WT:3-12MM
yeild strength: above 750Mpa
Tensile strength: above 800Mpa
PROCESS:COLD DRAWN/COLD ROLLED
product line:
procuct line:
usage:
Wrapped with polywoven bags, we use steel belt to pack the outside, polywooden cases or wooden boxes for thin wall thickness can be offered if required
1. How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.
2. What is your minimum order?
Usually 5 ton for each size
3. What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination
4. What is your payment term?
Payment is 30% deposit, 70% before shipment
5. Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .
6. How do you guarantee the quality of the products?
All of our procedures are strictly operated under the ISO 9001:2008, and there are as many as 6 times of test during the production of each product to ensure the quality.
7. How about the Third Party Inspection ?
We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;
contact us : ( sample is free)with the size &material details
Send Inquiry to This Supplier
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