Seamless Duplex Steel Pipe Tube ASTM A A106 Grade B Q235 20#
ASTM A106 Grade B Q235 20# Hot Rolled Seamless Boiler Steel Tube
Mechanical Properties
|
Standard
|
Brand
|
Tensile strength(MPA)
|
yield strength(MPA)
|
|
ASTM A106
|
A
|
≥330
|
≥205
|
|
B
|
≥415
|
≥240
|
|
|
C
|
≥485
|
≥275
|
Chemical Composition
|
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Cu
|
Ni
|
V
|
|
A
|
≤0.25
|
≥0.10
|
0.27~0.93
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
|
B
|
≤0.30
|
≥0.10
|
0.29～1.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
|
C
|
≤0.35
|
≥0.10
|
0.29～1.06
|
≤0.35
|
≤0.35
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
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FAQ
Q: Do you provide samples ?How can I get a sample to check your quality? Is it free or extra ?
A: Free samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q: How is the quality of your products?
A: Our products are manufactured strictly according to national and international standard, and we take a test before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Q: Are you factory or trader?
A: Our company has been manufacturing and selling steel products for many years since 2009. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
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