Yuhong Group Co.,Ltd
| Packaging Details | Bundle /Ply-wooden Case |
| Delivery Time | Depends on quantity |
| Payment Terms | T/T, L/C at sight |
| Supply Ability | 2000 tons per month |
| Standard | ASTM A335 / ASME SA335 |
| Grade | P11 |
| Type | Seamless (SMLS) |
| Pipe Type | Ferritic alloy steel |
| Process | hot-finished or cold-drawn |
| Application | power plants, refineries, petrochemical industries |
| Place of Origin | CHINA |
| Brand Name | YUHONG |
| Certification | ISO9001 |
| Model Number | A335 P11 |
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Product Specification
| Packaging Details | Bundle /Ply-wooden Case | Delivery Time | Depends on quantity |
| Payment Terms | T/T, L/C at sight | Supply Ability | 2000 tons per month |
| Standard | ASTM A335 / ASME SA335 | Grade | P11 |
| Type | Seamless (SMLS) | Pipe Type | Ferritic alloy steel |
| Process | hot-finished or cold-drawn | Application | power plants, refineries, petrochemical industries |
| Place of Origin | CHINA | Brand Name | YUHONG |
| Certification | ISO9001 | Model Number | A335 P11 |
| High Light | alloy steel tube ，stainless steel round tube | ||
What is ASTM A335 P11 pipe?
P11 is a low-alloy heat-resistant steel, belonging to alloy steel, of which the most prominent advantage is one hundred percent recyclable, according to the production process, P11 can be divided into two kinds of hot-rolled seamless steel pipe and cold-rolled seamless steel pipe, of which cold-rolled pipe is divided into two kinds of round pipe and profiled pipe.
The production process of hot rolled seamless steel pipe is round billet, heating, piercing, three-roll diagonal zigzag, continuous zigzag or extrusion, stripping, stemming, cooling, billet, straightening, hydrostatic test, marking, storage.
Cold rolled seamless steel pipe making process is round billet, heating, piercing, beating, annealing, pickling, oiling, multi-pass cold drawing, billet pipe, heat treatment, straightening, water pressure test, marking, storage,
Chemical composition of ASTM A335 P11
| C, % | S, % | Si, % | Mn, % | P, % | Cr, % | Mo, % |
| 0.015 Maximum | 0.025 Maximum | 0.50 Maximum | 0.30-0.60 | 0.025 Maximum | 4.00-6.00 | 0.45-0.65 |
Mechanical properties of ASTM A335 P11
| Tensile Strength, in MPa | Yield Strength, in MPa | Elongation, % |
| 415 minimum | 205 minimum | 30 minimum
|
Equivalent Standard of ASTM A335 P11
| ASME | ASTM | Tube Equivalent | JIS G 3458 | BS | UNS | NK | ABS |
|---|---|---|---|---|---|---|---|
| SA 335 P11 | A335 P11 | SA 213 T11 | STPA 23 | 3604 P1 621 | K11597 | KSTPA 23 | ABS 11 |
Heat treatment
Tubes of ASTM A335 P11 may be cold drawn or hot rolled. Each tube should be re-tempered - fully or isothermally annealed, normalised and tempered at a temperature of not less than 650°C.
Along with dimensional and visual inspection, each length of ASTM A335 P11 pipe should be hydrostatically tested. Longitudinal or transverse tension tests, flattening tests or bending tests shall be carried out on each hot number of the furnace. When specified by the buyer, one of the alternative non-destructive tests may be carried out: ultrasonic testing, eddy current testing or solder leakage testing. Hardness testing is not necessary.
| Grade Comparison | Type of Heat Treatment | Normalizing heat treatment Temperature F [C] | Subcritical Tempering/ Annealing material Temperature F [C] |
| A335 P5 (b,c) | Isothermal or Full Annealing | ||
| Temper and Normalize | 1250 F [675] | ||
| Subcritical Annealing (A335 P5c only) | 1325 - 1375 F [715 - 745] | ||
| A335 P9 | Isothermal or Full Annealing | ||
| Temper and Normalize | 1250 F [675 C] | ||
| A335 P11 | Isothermal or Full Annealing | ||
| Temper and Normalize | 1200 F [650 C] | ||
| A335 P22 | Isothermal or Full Annealing | ||
| Temper and Normalize | 1250 F [675 C] | ||
| A335 P91 | Temper and Normalize | 1900 to 1975 F [1040 to 1080 C] | 1350-1470 F [730 to 800 C] |
| Temper and Quench | 1900 to 1975 F [1040 to 1080 C] | 1350-1470 F [730 to 800 C] |
Application
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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