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Product Details:
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| ProductHydraulic Cylinder: | Alloy Steel Tube P22 | Technique: | Hot Rolled |
|---|---|---|---|
| Quality Standard: | ASTM A335; DIN 2391; JIS G3441; Etc. | Surface: | Black, Bright, Smooth,etc. |
| Delivery Conditions: | BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C) | Inspection: | SGS, BV Etc. |
| End: | Plain / Beveled / Vanished / Plastic Caps | ||
| High Light: | Steel Round Tube,Round Steel Tubing,Boiler Steel Tube |
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ASTM A335 GRADE P22 HOT ROLLED ALLOY STEEL SEAMLESS PIPES/TUBES
OVERVIEW
ASTM A335 Pipe (ASME S/A335, Chorme-Moly) is a seamless ferritic Alloy-Steel Pipe for high temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Sometimes referred to as “P Grade”, chome moly pipe is popular in P-Grades P5, P9, P11, P22, and P91. The most common use of grades P11, P22, and P91 is in the power industry and petro-chemical plants, Grades P5 and P9 are commonly used in refineries.
A335/SA335 Grade P22 Alloy Steel Seamless Pipes are Carbon steel pipes with addition of chromium, molybdenum, and sometimes vanadium. 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, and it also enhances the corrosion resistance of steel and inhibits pitting. Grade P22 is used for high temperature service applications and is tolerant to variations in its microstructure.
APPLICATIONS
P22 is suitable for high temperature environments including those found in the following industries:
STANDARD SPECIFICATIONS
| Process | Seamless Pipes |
| Shape | Round |
| Technique | Hot Rolled |
| Size Range |
32-1200mm OD |
| Thickness | 3.5-200mm WT |
| Pipe End | Plain / Beveled / Vanished / Plastic Caps |
| Coating | Black / Galvanised / 3LPE / Turned / Peeled / Grinded / Polished / Anti – Corrosion Oil |
| Length | 15 Mtr max Cut to Length available |
| Heat Treatment | Spheroidizing / Full Annealing / Process Annealing / Isothermal Annealing / Normalizing / Quenching / Martempering (Marquenching) / Quench And Tempering / Austempering |
| Application | Oil & Gas / Hydro Carbon Process / Automotive / Boiler, Heat Exchanger / Plumbing, HVAC & Firefighting / Structural / General Engineering / Railways / Sewage & Waterwell |
| Quality Inspection | Third Party inspection is acceptable (SGS, BV etc.) |
TOLERANCE FOR SEAMLESS TUBING
| I.D tolerance (mm) | O.D tolerance (mm) | Straightness (mm) |
| H9-H12 | -/+0.5% | 0.20-0.80 |
Relevant Standard & Grades Equivalency
-ASTM A335 Standard Specification for Seamless Ferritic Alloy Steel Pipe for High -Temperature Service
-EN 10297-1 Seamless Circular Steel Tubes for Mechanical and General Engineering Purpose
-DIN2391 Seamless Precision Steel Tubes
-JIS G3441 Alloy Steel Tubes for Machine Purposes
Chemical Requirements, Composition, %
| Standard | Grade | C | Si | Mn | P | S | Cr | Mo |
| ASTM A335 | P22 | 0.05-0.15 | 0.50 max | 0.30-0.60 | 0.025 max | 0.025 max | 1.90-2.60 | 0.87-1.13 |
Mechanical properties
| Standard | Steel Grade | Yield strength MPa (>=) | Tensile strength MPa (>=) |
Elongation % (>=) |
| ASTM A335 | P22 | 205 | 415 | 30 |
PROCESSING
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment of ASTM A335 P22 alloy steel pipe
Our Services
What we can offer?
-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.
-Machining and heat treatment are available.
-Also, we advise you in choosing the right materials.
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
Package
In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request
Payment & Delivery
1. Both T/T and L/C will be acceptable
2. Trade Terms: FOB, CIF, CFR
3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties
4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples
Shanghai Unite Steel Trading Co., Ltd
We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.
What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Contact Person: Anndy
Tel: +8615502127172
