347H stainless steel channel steel
347H (1Cr19Ni11Nb) is a high-carbon niobium-containing Cr-Ni austenitic stainless steel. Because it contains the stabilizing element Nb, it has good intergranular corrosion resistance and polysulfuric acid intergranular stress corrosion resistance. It is in acid, alkali, salt and other corrosive media. Its corrosion resistance is similar to that of Ti-containing 18-8 austenitic stainless steel, so it is widely used in boilers, power generation, petroleum, chemical, synthetic fiber, food, papermaking and other industries. Heat exchangers for large boiler superheater tubes, reheater tubes, steam piping and petrochemical.
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Product name |
347H stainless steel channel steel |
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Standard |
JIS,DIN,ASTM,AISI,GB,EN, |
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Grade |
S275,S355,S390,S430,SY295,SY390,ASTM A690, SYW295, SYW390, |
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Place of Origin |
China |
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Brand Name |
GNEE |
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Shape |
U/Z/W sheet pile |
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Application |
Flood project,construction project,bridge etc. |
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Tolerance |
±1% |
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Processing Service |
Bending, Welding, Punching, Decoiling, Cutting |
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Delivery Time |
7-15 days |
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Invoicing |
By actual weight |
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Length |
Any length as customer's request,single length up to over 80m. |
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MOQ |
3 Tons |
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Payment |
30%T/T Advance + 70% Balance |
347H (1Cr19Ni11Nb) belongs to the high-carbon niobium-containing Cr-Ni austenitic stainless steel. Because it contains the stabilizing element Nb, it has good intergranular corrosion resistance and polysulfuric acid intergranular stress corrosion resistance. Its corrosion resistance is similar to that of Ti-containing 18-8 austenitic stainless steel, so it is widely used in boilers, power generation, petroleum, chemical, synthetic fiber, food, paper and other industries. Since Nb is less prone to burning than Ti, this steel grade can also be used as a welding core for welding chromium-nickel austenitic stainless steel. This steel has higher high temperature strength and better high temperature oxidation resistance than 316 series, so it is often used as heat strength steel.
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