Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes

Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes

Product Details:

Place of Origin: CHANGZHOU, CHINA
Brand Name: Joyruns
Certification: ISO9000
Model Number: 6mm --137mm

Payment & Shipping Terms:

Minimum Order Quantity: 5 tons per size
Price: Negotiable
Packaging Details: Plastic packing, oiling, wooden box
Delivery Time: 30DAYS
Payment Terms: TT OR LC
Supply Ability: 5000T PER MONTH
Get Best Price Contact Now

Detail Information

Standard: ASTM A335 Grade: P11,P22,P5,P9,P91,P92
Type: Seamless Boiler Tube/heat Exchanger Tube OD. Range: 6mm – 137mm
Wall Thickness: 1mm-36mm Length: Max Length 12M
High Light:

Chrome Moly Seamless Boiler Tubes

,

A335 Seamless Boiler Tubes

,

ASTM A335 P5

Product Description

ASTM A335 P5 Cold Drawing Chrome-Moly Alloy Seamless Steel Tubes

A335 is often called chrome moly pipe because of the chemical makeup of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel as well as the elastic limit, resistance to wear, impact qualities, and hardenability. Moly increases the resistance to softening, restrains grain growth and makes chromium steel less susceptible to embrittlement. Moly is the most effective single additive that increases high temperature creep strength. It also enhances the corrosion resistance of steel and inhibits pitting. Chromium (or chrome) is the essential constituent of stainless steel. Any steel with 12% or more Chrome is considered stainless. Chrome is virtually irreplaceable in resisting oxidation at elevated temperatures. Chrome raises the tensile, yield, and hardness at room temperatures. The composition of chrome moly alloy steel pipe makes it ideal for use in power plants, refineries, petrochemical plants, and oil field services where fluids and gases are transported at extremely high temperatures and pressures.

ASTM A335 Pipe (ASME S/A335, Chrome-Moly) is a seamless ferritic Alloy-Steel Pipe for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. Sometimes referred to as “P Grade”, chrome 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.

Specifications:

Chemical Composition(%):

 

Grade

UNS Designation

Composition, %

Carbon

Manganese

Phosphorus,

Sulfur

Silicon 

Chromium

Molybdenum

Others

 

max

max

 

P5

K41545

0.15 max

0.30–0.60

0.025

0.025

0.50 max

4.00–6.00

0.45–0.65

---

 

P9

S50400

0.15 max

0.30–0.60

0.025

0.025

0.25–1.00

8.00–10.00

0.90–1.10

---

 

P11

K11597

0.05–0.15

0.30–0.60

0.025

0.025

0.50–1.00

1.00–1.50

0.44–0.65

---

 

P12

K11562

0.05–0.15

0.30–0.61

0.025

0.025

0.50 max

0.80–1.25

0.44–0.65

---

 

P22

K21590

0.05–0.15

0.30–0.60

0.025

0.025

0.50 max

1.90–2.60

0.87–1.13

---

 

 

 

Mechanical Properties:

 

 

Grade P11, P22, P5, P9

Grade P91

Grade P92

Tensile strength, min, (MPa)

415

585

620

Yield strength, min, (MPa)

205

415

440

Elongation, min, (%), L/T

30/20

20/…

20/…

 

 

Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 0 Heat Treatment

A / N+T

N+T / Q+T

N+T

 

 

Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 1  Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 2  Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 3

 

Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 4  Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 5  Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 6

 

Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 7
 
Chrome Moly Seamless Boiler Tubes ASTM A335 P5 Cold Drawing Alloy Seamless Steel Tubes 7

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