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  • TOBO STEEL GROUP CHINA
    Brazil---Aimee
    In the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate.
  • TOBO STEEL GROUP CHINA
    Thailand ---Dave Mulroy
    ASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner .
  • TOBO STEEL GROUP CHINA
    USA ---Alfaro
    ASTM A182 F55 Super Duplex Flange ,Good quality , we like that ! And delivery time in time also ,very professional.
Contact Person : Joy Wang
Phone Number : 0086-21-31261985
WhatsApp : +8613524668060

Seamless Cold Rolled ASTM A335 P33 Steam Boiler Pipe

  • Seamless Cold Rolled ASTM A335 P33 Steam Boiler Pipe
  • Seamless Cold Rolled ASTM A335 P33 Steam Boiler Pipe
Place of Origin China
Brand Name TOBO
Certification SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED
Model Number A335 Alloy Steel pipe P22
Minimum Order Quantity 1 pc
Price USD Negotiated
Packaging Details Standard Sea-worthy Packing wooden cases or plastic by bundles as customer's required
Delivery Time 25 work days
Payment Terms L/C, T/T, Western Union
Supply Ability 1200 Metric Ton/Metric Tons per Week
Product Details
Material ASTM A335 P11 P22 P33 P91 A106 High Pressure Steam Boiler Pipe Carbon Welding Type Seamless
Technique Cold Rolled Hot Rolled Surface Varnished / As Per Customer's Requirements
Thickless 0.5-50 Mm Type Mill Test Certificate Steel Pipe
O0.125 - 72 Inchuter Diameter 0.5 - 24 Inch Application Boiler Pipe
Highlight

P33 Steam Boiler Pipe

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ASTM A335 Steam Boiler Pipe

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50mm Thick Steam Boiler Pipe
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Product Description

ASTM A335 P11 P22 P33 P91 A106 high pressure steam boiler pipe carbon

 

 

ASTM A335 /A335M ASME SA335 pipes shall be made by the seamless process and shall be either hot-finished or cold drawn with the finishing treatment.

ASTM A335 /A335M covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.

 

Chemical Composition:

 

Grade
P11
P12
P22
P91
C
0.05-0.15
0.05-0.15
0.05-0.15
0.08-0.12
Mn
0.30-0.60
0.30-0.61
0.30-0.60
0.30-0.60
P
≤0.025
≤0.025
≤0.025
≤0.020
S
≤0.025
≤0.025
≤0.025
≤0.010
Si
0.50-1.00
≤0.50
≤0.50
0.20-0.50
Cr
1.0-1.50
0.80-1.25
1.90-2.60
8.0-9.50
Mo
0.44-0.65
0.44-0.65
0.87-1.13
0.85-1.05
V
 
 
 
0.18-0.25
Nb
 
 
 
0.030-0.070
N
 
 
 
≤0.40
AI
 
 
 
≤0.02
Others
 
 
 
Cb 0.06-0.10
 
Ti 0.01max
 
Zr 0.01max

Tensile Requirements and Hardness:

 

Mechanical Properties
 
Grade
Tensile
Yield
Elongation
Hardness
Strength (Mpa)
Strength (Mpa)
(%)
 
P11
P12
≥415
≥220
≥30
≤89HRB
P22
≥415
≥220
≥30
≤89HRB
P91
≥585
≥415
≥20
91HRB-25HRC

Heat Treatment Requirements

 

Grade
UNS
Number
Heat Treat Type
Austenitizing/ Solutioning

Temperature, min or range °F [°C]
Subcritical Annealing or Tempering

Temperature, Min or range °F [°C]
P11
K11597
full or is  othermal anneal normalize and temper
 
1200 [650]
P12
K11562
full or isothermal anneal normalize and temper subcritical anneal
 
1200 [650]

1200-1300 [650 to 705]
P22
K21590
full or isothermal anneal normalize and temper
 
1250 [675]
P91
K91560
normalize and temper
quench and temper
1900-1975[1040-1080]



1900-1975[1040-1080]
1350-1470[730-800]

1350-1470[730-

 

 

What can we do for you ?

>> 1.Are you a factory or a trading company?

1.We are a factory focused on rigging hardware over 22 years.

2.Our main products are shackles,eye bolts and nuts. turnbuckles, wire rope clips, hooks and load binders.

3.We have 6 production lines with advanced machines over 30 like friction presses, air hammer, punching machines,etc.

4.We own warehouse over 3000 square meters.

5.We have numerous distributors at home and board.

>> 2.How do you control your quality?

1.Selection of high-quality steel material from famous steel group

2.Production process standardization, process standardization, refinement.

3.100% Finished Product Testing.

4.The third party product inspections are acceptable.

5.ISO Quality Management System Certificated Factory

6.Inspection before loading

>> 3.What are your advantages compared with others?

1.BV, SGS Field Certification and Assessed Factory

2.Focused on rigging since 1997, Rich experience in Production.

3.Owned factory, the same quality product, the best price.

4.Timely Delivery with the support of 3000 square meters warehouse.

5.Numerous Patents in Rigging Hardware. Be Good at Custom-Made and Shaped Products.

6.Over 20 Professional Staff in Trading Team,Let you enjoy worry-free and effective communication.

>> 4.Can you offer samples ?

Yes, free samples are available, but freight charged by customer

>> 5.How about your quality guarantee?

We’re 100% responsible for damage of full container goods if it’s caused by our improper package.

We have very strict QC team to control the quality problem.

From material to finished products, each step, our inspection man to inspect it.For each order, we will test and have the record.

>> 6.Why choose us?

1). More than 20 year's manufacturing experience

2). OEM/ODM service offered • Small order accepted

3). Direct factory price • More competitive

4). High Quality • Zero Complaint

 

Tags:

seamless stainless steel tube

marine stainless steel tubing

stainless steel round tube