Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability | 1000000Tons per Year |
| Delivery Time | 3-15 work days |
| Packaging Details | Plywood case,pallet,woven bag,or other Seaworthy packed as customed |
| Product Name | ASTM A335 P11 Seamless Welded Pipe for High-Temperature Service |
| Standard | ASTM A335 |
| Material | Alloy Steel |
| Prodcut | Steel Pipe |
| Type | Seamless or welded |
| OD | 1/2"-48” |
| Thickness | SCH 5-SCH XXS |
| End | BE or PE |
| Brand Name | HT |
| Model Number | ASTM A335 P11 Seamless Welded Pipe for High-Temperature Service |
| Certification | ISO SGS BV TUV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | Supply Ability | 1000000Tons per Year |
| Delivery Time | 3-15 work days | Packaging Details | Plywood case,pallet,woven bag,or other Seaworthy packed as customed |
| Product Name | ASTM A335 P11 Seamless Welded Pipe for High-Temperature Service | Standard | ASTM A335 |
| Material | Alloy Steel | Prodcut | Steel Pipe |
| Type | Seamless or welded | OD | 1/2"-48” |
| Thickness | SCH 5-SCH XXS | End | BE or PE |
| Brand Name | HT | Model Number | ASTM A335 P11 Seamless Welded Pipe for High-Temperature Service |
| Certification | ISO SGS BV TUV | Place of Origin | China |
| High Light | welded steel pipe ，seamless and welded pipe | ||
Trade Name: 1 ¼ Chrome
Grade: P11
UNS #: K11597
Pipe: A335/SA335
Forged/Bored Pipe: A369/SA369
Chromium and molybdenum are important elements of P11. Chromium, or chrome, improves high-temperature strength, increases oxidation resistance and raises the tensile, yield and hardness at room temperatures. Molybdenum increases the strength, elastic limit, resistance to wear, impact qualities and hardenability. It increases the resistance to softening, restrains grain growth and makes chromium steel less susceptible to embrittlement. Moly is also the most effective additive for increasing high temperature creep strength, or creep resistance. It also enhances the corrosion resistance of steel and inhibits pitting.
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6＜OD≤190.5 | +0.4/-1.2 | ||
| 190.5＜OD≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| OD＜25.4 | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1＜OD＜50.8 | ±0.20 | ||
| 50.8≤OD＜63.5 | ±0.25 | ||
| 63.5≤OD＜76.2 | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6＜OD≤190.5 | +0.38/-0.64 | ||
| 190.5＜OD≤228.6 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2＜OD≤4 | ±0.79 | ||
| 4＜OD≤8 | +1.59/-0.79 | ||
| 8＜OD≤12 | +2.38/-0.79 | ||
| OD>12 | ±1% |
Heat treating can be required to achieve some of these properties.
Due to the ferrimagnetic characteristics of iron, a few steel alloys in A335 P11 pipes can be used in applications where their reactions to magnetism are important. This includes transformers and electric motors. P11 is also a popular grade for many different applications such as:
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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