ASTM A335 Alloy Steel Seamless Pipe & Tube Manufacturer
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Citizen Pipes is India's largest independent multi-metals pipe & tube supplier & stockholder. Our range covers ASTM A335 Alloy Steel Seamless Pipe & Tube, mild steel, stainless steel, cold drawn, structural, tubular, galvanized tubes, pipe, black pipe, and welded tube and pipe.
Widely regarded as being the leading supplier of ASTM A335 Alloy Steel Seamless Pipe & Tube in India, Citizen Pipes is the preferred choice for ASTM A335 Alloy Steel Seamless Pipe & Tube in India, South & west Africa & Gulf countries.
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Citizen Pipes is now offering ASTM A335 Alloy Steel Seamless Pipe & Tube largest stock in Mumbai, India
Citizen Pipes is a India based Stockholder of Pipe, Tube & Tubing of multiple Origins – Our stock Materials are from China, India, Malaysia and Western European Origins.
ASTM A335 Alloy Steel Seamless Pipe & Tube
ASTM A335 Alloy Steel Seamless Pipe & Tube Specification
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Alloy Steel Pipe ASTM A335 GR P5 | P9 | P11 | P22 | P91 | P91 with IBR Certified (ASTM A335 / A335M - 11 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service) ASTM A335 Alloy Steel Seamless Pipes Name: ASTM SA335 Alloy Steel Tubes for boilers, superheaters and heat exchangers 1. Specifications: ASTM A335 (ASME SA335) 2. Specifications: diameter 320 to 127 mm; thickness: 0.4 to 12.7 mm; length: 6 m and above; and other specifications in accordance with customer requirements. Features Specifications:
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ASTM A213 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Heat-Exchanger Tubes
ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.
Boiler tube accord to standard ASTM SA213 / A213 – Grades T5, T9, T11, T22, T91
Foreign boiler tube Standard:
- GB3087 - Chinese National Standard
- GB5310 - Chinese National Standard
- ASME SA106 - American Boiler and Pressure Vessel Code
- ASME SA333 - American Boiler and Pressure Vessel Code
- ASME SA335 - American Boiler and Pressure Vessel Code
- DIN17175 - German industrial standard
- EN10216-2 - European Pressure Piping
The main production steel grades:
10 , 20 , 20G , 20MnG , 25MnG , 15CrMoG , 12Cr2MoG , 12Cr1MoVG , 10Cr9Mo1VNb , SA106B ,SA106C , SA333 I level, SA333 VI level, SA335 P5 , SA335 P11 , SA335 P12 , SA335P22 , SA335 P91 ,SA335 P92 , ST45.8 / Ⅲ , 15Mo3 , 13CrMo44 , 10CrMo910 , 15NiCuMoNb5-6-4, etc.
Boiler and heat exchanger tube
Standard :
JIS G3461 ---- Japanese Industrial Standard
JIS G3462 ---- Japanese Industrial Standards
Uses
For the boiler pipes, tobacco pipes, superheater tubes, air preheater tubes.
The main production steel grades
STB340 , STB 410 , STBA22 , STBA23 so on.
Chemical Component
| Standard | Steel Code | Chemical Component(%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Nb | N | ||
| ASME SA335 | SA335 P11 | 0.05∼ 0.15 | 0.50∼ 1.0 | 0.30∼ 0.60 | ≤ 0.030 | ≤0.030 | 1.00 ∼1.50 | 0.50 ∼1.00 | |||||||
| SA335 P12 | 0.05∼ 0.15 | ≤0.50 | 0.30∼ 0.61 | ≤ 0.030 | ≤0.030 | 0.80 ∼1.25 | 0.44 ∼0.65 | ||||||||
| SA335 P22 | 0.05∼ 0.15 | ≤0.50 | 0.30∼ 0.60 | ≤ 0.030 | ≤0.030 | 1.90 ∼2.60 | 0.87 ∼1.13 | ||||||||
| SA335 P5 | ≤0.15 | ≤0.50 | 0.30∼ 0.60 | ≤ 0.030 | ≤0.030 | 4.00/ 6.00 | 0.45/ 0.65 | ||||||||
| SA335 P91 | 0.08∼ 0.12 | 0.20∼ 0.50 | 0.30∼ 0.60 | ≤ 0.020 | ≤0.010 | 8.00 ∼9.50 | 0.85 ∼1.05 | ≤ 0.40 | 0.18∼ 0.25 | ≤ 0.015 | 0.06∼ 0.10 | 0.03∼ 0.07 | |||
| SA335 P92 | 0.07∼ 0.13 | ≤0.50 | 0.30∼ 0.60 | ≤ 0.020 | ≤0.010 | 8.50 ∼9.50 | 0.30 ∼0.60 | B0.001 0.006 | ≤ 0.40 | 0.15∼ 0.25 | ≤ 0.015 | 1.50∼ 2.00 | 0.04∼ 0.09 | 0.03∼ 0.07 | |
| Type of Steel Pipes | OD(D) | WT(S) | ||
| Cold Drawn Steel Pipe | OD(mm) | Tolerance (mm) | Wall Thickness(mm) | Tolerance (mm) |
| >30∼50 | ±0.3 | >3∼20 | ±10% | |
| >114∼159 | ±0.8% | ≤30 | ±10% | |
| >159∼219 | ±1.0% | |||
| Hot Rolled Steel Pipe | >219∼457 | ±1.0% | ≤20 | +10%,-12.5% |
| >20∼40 | +10%,-10% | |||
Mechanical Properties of ASTM A335 P11
| Tensile strength, min, (MPa) | 415 |
| Yield strength, min, (MPa) | 205 |
| Elongation, min, (%), L/T | 30/20 |
Material & Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment
- A / N+T
- N+T / Q+T
- N+T
Mechanical Tests Specified
- Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
- For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
- For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
Notes for Hardness Test:
- P11 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Notes for Bend Test:
- For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
- Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
- The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.
Packaging & Shipping
Utmost care is taken towards Packing of the finished products so as to ensure that the resultant Coils, Foils, Tubes ,Pipes and Fittings reach in the same condition as desired by our valued customers.
Packing specifications for various products are:
- Larger Dia Fusion Welded Pipes are packed with aluminium end caps in a wooden crates.
- S.S. Automotive Exhaust Pipes & Scheduled pipes both are packed with plastic end caps in wooden crates.
- Cold Drawn Seamless Stainless Tubes are packed with plastic end caps in a wooden box with an inside thermocoal covering.
- Coils and Foils are packed in wooden crates.
Packed ASTM A335 Alloy Steel Seamless Pipe & Tube |
Packed ASTM A335 Alloy Steel Seamless Pipe & Tube |
Other Packaging information:
- Bundle Packing
- Bundle Packing
- Wooden Case
- Wooden Case
- Wooden Case for U Tubes
- Reinforced by angle bar
Why us?
- Stainless Steel Seamless Pipes & Tubes Manufacturer since 1996
- The annual capacity of the plant equals about 12.000 tons
- Specialized in Pipes & Tubes, Stainless Steel Pipe & Carbon SteelPipe
- We export seamless tubes / welded tubes everywhere in the world
- We have our own warehouse of 10,000 feet, so we can offer best price in the market
- Supplier and trader of IBR Materials like IBR approved Pipes, IBR Certified Tubes
Heilights:
- Pipes up to 24" made in continuous production from coil
- Pipes up to 80" made from single plates
- Maximum thickness 40 mm
Strength
- Contacts with major mills & stockists around the world.
- Can offer ex-stock materials as well as mill delivery with nominal margins.
- Complete in-house testing facilities viz. hydro, eddy current, UT, chemical analysis,
- physical/mechanical, PMI, microscopic examination, etc…
- Prime and genuine materials with co-relating original test certificates.
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