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Hot Rolled Alloy Steel Tube P11 Black Bright Smooth Surface ASTM A335

Categories Alloy Steel Tube
Brand Name: UST
Model Number: OD: 32-1200mm; WT: 3.5-200mm
Certification: ISO 9001
Place of Origin: China
MOQ: MOQ: 3 ton
Price: USD 800- 3000/ton
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 3000 ton/month
Delivery Time: Within 15-35 days
Packaging Details: Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
ProductHydraulic Cylinder: Alloy Steel Tube P11
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
  • Product Details
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Hot Rolled Alloy Steel Tube P11 Black Bright Smooth Surface ASTM A335

ASTM A335 GRADE P11 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.


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.


APPLICATIONS


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:

  • Spacecraft
  • Turbine blades of jet engines
  • Nuclear reactors

Enhanced properties of A335/SA335 P11

  • Toughness
  • Strength
  • Hardness
  • Wear resistance
  • Hardenability
  • Hot hardness
  • Corrosion resistance

STANDARD SPECIFICATIONS


ProcessSeamless Pipes
ShapeRound
TechniqueHot Rolled
Size Range

32-1200mm OD

Thickness3.5-200mm WT
Pipe EndPlain / Beveled / Vanished / Plastic Caps
CoatingBlack / Galvanised / 3LPE / Turned / Peeled / Grinded / Polished / Anti – Corrosion Oil
Length15 Mtr max Cut to Length available
Heat TreatmentSpheroidizing / Full Annealing / Process Annealing / Isothermal Annealing / Normalizing / Quenching / Martempering (Marquenching) / Quench And Tempering / Austempering
ApplicationOil & Gas / Hydro Carbon Process / Automotive / Boiler, Heat Exchanger / Plumbing, HVAC & Firefighting / Structural / General Engineering / Railways / Sewage & Waterwell
Quality InspectionThird 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, %


StandardGradeCSiMnPSCrMo
ASTM A335P110.05-0.150.50-1.000.30-0.600.025 max0.025 max1.00-1.500.44-0.65

Mechanical properties


StandardSteel GradeYield strength MPa (>=)Tensile strength MPa (>=)

Elongation %

(>=)

ASTM A335P1120541530

PROCESSING


Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Heat treating can be required to achieve some of the above mentioned properties.

  • A / N+T
  • N+T / Q+T
  • N+T


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


Company Information

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!


FAQ

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.


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