Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | L/C,T/T, Western Union |
| Supply Ability | 1000 pcs per month |
| Delivery Time | 30-35 work days |
| Packaging Details | wooden case, wooden pallet |
| Product Type | Flange, Disc, Foring, Shaft Sleeves |
| Name | annealed polished surface Alloy 20 seamless welded nickel alloy pipe tube |
| Size | 1/2"-60" |
| Class | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
| Surface | oil rusted, yellow |
| Material | Nickel alloy/stainless steel/duplex stainless |
| Brand Name | HT |
| Model Number | annealed polished surface Alloy 20 seamless welded nickel alloy pipe tube |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T, Western Union | Supply Ability | 1000 pcs per month |
| Delivery Time | 30-35 work days | Packaging Details | wooden case, wooden pallet |
| Product Type | Flange, Disc, Foring, Shaft Sleeves | Name | annealed polished surface Alloy 20 seamless welded nickel alloy pipe tube |
| Size | 1/2"-60" | Class | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
| Surface | oil rusted, yellow | Material | Nickel alloy/stainless steel/duplex stainless |
| Brand Name | HT | Model Number | annealed polished surface Alloy 20 seamless welded nickel alloy pipe tube |
| Certification | ISO9001 | Place of Origin | China |
| High Light | weldable steel pipe ，nickel 200 tubing | ||
annealed polished surface Alloy 20 seamless welded nickel alloy pipe tube
1. Alloy 20 seamless welded pipe tube
Chemical Composition %
| Typical Chemical Composition % | |
| Nickel | 32.0-38.0 |
| Chromium | 19.0-21.0 |
| Iron | Remainder |
| Molybdenum | 2.0-3.0 |
| Sulfur | .035 max |
| Carbon | 0.07 max |
| Manganese | 2.0 max |
| Silicon | 1.00 max |
| Phosphorous | .045 max |
| Copper | 3.0-4.0 |
| Nb+Ta | 8 X C-1.0 |
| Typical Mechanical Properties | ||
| Annealed | KSI | MPA |
| Yield Strength (0.2% offset) | 35 ksi | 241 |
| Tensile Strength | 80 ksi | 551 |
| Elongation % in 2" | 30.0 | |
2. The surface for Alloy 20 pipe tube
Annealing. In general, the main purpose of annealing heat treatment is to soften the steel, regenerate overheated steel structures or just remove internal tensions. It basically consists of heating to austenitizing temperature (800ºC and 950ºC depending on the type of steel), followed by slow cooling.
Stainless Steel is usually sold in the “annealed” condition. It means that the material is in the “soft” or annealed condition. The 300 series of stainless can not be hardened by heat treatment (like carbon steels) but can be hardened by cold working. ... Annealing increases ductility and eliminates internal stresses.
There are five common type of metal pipe end finishes;
Steel pipe is available in different classification, grade, weight, schedule number etc. Hence it is important to identify steel pipe markings. Steel pipe is identified by paint stencil or stamped marking on the pipe itself or by a tag attached to it.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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