Jinxi Steel Industry Group Co.Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 100000 |
| Delivery Time | 7 days |
| Packaging Details | Bundles |
| Product Name | Alloy Steel Pipe, Alloy Steel Tube, Seamless Alloy Steel Tube, Seamless Alloy Steel Pipe, Alloy Round Tube |
| Standard | ASTM A335 P22 Alloy Steel Pipe |
| ASTM A335 P22 Tube Type | Seamless |
| ASTM A335 P22 OD | 3.2-762mm |
| ASTM A335 P22 Thickness | 0.4-63.5mm |
| ASTM A335 P22 Length Range | 5.8/11.86 Meter, 20 FT (6 Meter), 40FT (12 Meter) Or Customized |
| ASTM A335 P22 Ends Type | Beveled Ends, Plain Ends |
| ASTM A335 P22 Protection Caps | Plastic Caps |
| Brand Name | Jinxi Pipe |
| Model Number | Alloy Steel Pipe |
| Certification | ISO 9001,BV,SGS,TUV,CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 100000 |
| Delivery Time | 7 days | Packaging Details | Bundles |
| Product Name | Alloy Steel Pipe, Alloy Steel Tube, Seamless Alloy Steel Tube, Seamless Alloy Steel Pipe, Alloy Round Tube | Standard | ASTM A335 P22 Alloy Steel Pipe |
| ASTM A335 P22 Tube Type | Seamless | ASTM A335 P22 OD | 3.2-762mm |
| ASTM A335 P22 Thickness | 0.4-63.5mm | ASTM A335 P22 Length Range | 5.8/11.86 Meter, 20 FT (6 Meter), 40FT (12 Meter) Or Customized |
| ASTM A335 P22 Ends Type | Beveled Ends, Plain Ends | ASTM A335 P22 Protection Caps | Plastic Caps |
| Brand Name | Jinxi Pipe | Model Number | Alloy Steel Pipe |
| Certification | ISO 9001,BV,SGS,TUV,CE | Place of Origin | China |
| High Light | Seamless ASTM A335 P22 Pipe ，Oxidation Resistant ASTM A335 Pipe ，Chemical Process Industry A335 P22 Pipe | ||
ASTM A335 P22 Seamless Alloy Steel Pipe Chemical Process Industry Piping
Specification
ASTM A335 P22 Alloy Steel Pipe is a seamless, ferritic alloy steel pipe designed for high-temperature service, known as Chrome Moly due to its chromium (approx. 2.25%) and molybdenum (approx. 1%) content, giving it excellent strength, creep resistance, and oxidation resistance up to 650°C, making it ideal for power plants, petrochemical, and refinery applications. It's produced in various sizes, thicknesses (schedules), and lengths, often normalized and tempered, requiring hydrostatic and non-destructive testing to ensure quality for demanding environments.
| American Standard | Standard Name |
| A335 / A335M | Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
ASTM A335 P22 Alloy Steel Pipe Chemical Composition
Sources American Standard A335 / A335M TABLE 1 Chemical Requirements
| ASTM A335 Grades |
UNS Designation |
C | Mn | P | S | Si | Cr | Mo |
| P22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 1.90-2.60 | 0.87-1.13 |
ASTM A335 P22 Alloy Steel Pipe Mechanical Properties
Sources American Standard A335 / A335M TABLE 3 Tensile Requirements
| ASTM A335 Grade |
UNS Designation |
Yield strength, Min:ksi/MPa |
Tensile strength, Min:ksi/MPa |
Elongation Requirements % (Min) | Hardness Requirements (Max) | ||
| Brinell | Vickers | Rockwell | |||||
| P22 | K21590 | 30/205 | 60/415 | 30 | – | - | – |
ASTM A335 P22 Alloy Steel Pipe Heat Treatment
Sources American Standard A335 / A335M TABLE 2 Heat Treatment Requirements A
| ASTM A335 Grade | Heat Treatment Type | Normalizing Temperature Range F [C] | Cooling Media | Subcritical Annealing or Tempering Temperature,min or range“F[°C] |
| P22 | full or isothemmal anneal or | - | - | - |
| normalize and temper or | - | - | 1250 [675] | |
| A Where ellipses (_) appear in this table there is no requirement. | ||||
ASTM A335 P22 Alloy Steel Pipe Permissible Variations in Outside Diameter
Sources American Standard A335 / A335M TABLE 7 Permissible Variations in Outside Diameter
| NPS [DN] Designator | Over | Under | ||
| in. | mm | in. | mm | |
| 1/8 to 1 1/2 [6 to 40], incl. | 1/64 (0.015) | 0.4 | 1/64 (0.015) | 0.4 |
| Over 1 1/2 to 4 [40 to 100], incl. | 1/32 (0.031) | 0.79 | 1/32 (0.031) | 0.79 |
| Over 4 to 8 [100 to 200], incl. | 1/16 (0.062) | 1.59 | 1/32 (0.031) | 0.79 |
| Over 8 to 12 [200 to 300], incl. | 3/32 (0.093) | 2.38 | 1/32 (0.031) | 0.79 |
| Over 12 [300] | +/- 1% of the specified outside diameter | |||
ASTM A335 P22 Alloy Steel Pipe Permitted Variations in Wall Thickness
Sources American Standard A335 / A335M TABLE 8 Permitted Variations in Wall Thickness
| NPS [DN] Designator | Tolerance, % from Specified | |
| Over | Under | |
| 1/8 to 2 1/2 [6 to 65] incl., all t/D ratios | 20.00% | 12.50% |
| Above 2 1/2 [65], t/D < or = 5% | 22.50% | 12.50% |
| Above 2 1/2 [65], t/D > 5% | 15.00% | 12.50% |
| (t = Specified Wall Thickness; D = Specified Outside Diameter) | ||
ASTM A335 P22 Alloy Steel Pipe Manufacturing Proces
ASTM A335 P22 Alloy Steel Pipe Application
ASTM A335 P22 Alloy Steel Pipe Packing & Loading
a. 1/2"-2"Plain end with black oil paint, caps both ends, bundles with loading belt.
b. 2"-4"Beveled end with black oil paint, caps both ends, bundles with loading belt.
c. 10"-20"Beveled end with black oil paint, caps both ends, loose packed in to container.
→Alloy Steel Pipes is transported in containers
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller
Year Established:
1986
Total Annual:
10000000000-30000000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
Jinxi Steel, a professional manufacturer of steel pipes and fittings, is located in Changsha City. Guided by the scientific development concept, Jinxi Steel will comprehensively reform and develop, adhere to the path of quality and efficiency under the guidance of science and technology, persist in ... Jinxi Steel, a professional manufacturer of steel pipes and fittings, is located in Changsha City. Guided by the scientific development concept, Jinxi Steel will comprehensively reform and develop, adhere to the path of quality and efficiency under the guidance of science and technology, persist in ...
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