Home > Products > Industrial Pipeline Series > 2520 F55 253mA Duplex Steel Seamless Pipe From China
2520 F55 253mA Duplex Steel Seamless Pipe From China
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- T/T
- 8 days
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Product Details
Type | Seamless | Technique | Cold Rolled | |
Surface Treatment | Polished | Usage | Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Special Purpose | |
Material | Alloy Steel | Section Shape | Round | |
Delivery Time | 8-14 days | Processing Service | Bending, Welding, Decoiling, Punching, C | |
Transport Package | Wooden Case | Specification | Customized | |
Origin | China |
Product Description
Stainless Steel Sanitary Tubing with Great Price(OD 21.3mm, WT2.77mm/3.73mm)
Standard:
ASTM A312,ASTM A213,ASTM A269,JIS3463,JIS3459, UNS S32001,
DIN2462,DIN17458,DIN17456,EN10216-5,ASTM A511,ASTM A789,ASTM A790,
Material:
304/(0Cr18Ni9)/304L(00Cr19Ni10) 310S(0Cr25Ni20)/347H(0Cr19Ni11Nb)
2520(310S)0Cr25Ni20 316L(00Cr17Ni14Mo2)
316Ti(0Cr18Ni12Mo2Ti) 317L(00Cr19Ni13Mo3)
UNS,S32001,S31803
Specification
Outside diameter:3.18-810mm
Wall thickness:0.2-40mm
Max.Length; 50m
Surface:Pickling and annealing,pickling and annealing+polishing+ EP(Electricity polish)
Package: Reinforced plywood case bysted angle bar,
Playwood cased Plastic bags packing, Condenser,
heat exchanger tube packing,
Products Application:
Gas Industry, Oilfield, Thermal power, Oil industry, Shipbuilding, Petrochemical, Tanker, Nuclear
Material | Stainless Steel 304/304L/316L |
Shape | Round / Square / Rectangle |
Production Standards | ASTM A270, ASTM A269, ASTM A249, ASTM A778, ASTM A789, DIN 11850, EN 10357, EN 10217-7 and so on. |
Outer Diameter | 16mm - 2000mm ; |
Thickness | 0.8mm - 20 mm ; |
Length | 6 Meters - 18.3 Meters ; As customers' request ; |
Tolerance | According to the Standard , +/-10% Commonly ; |
Surface Treatment | 180#, 320#, 400# Satin / Hairline, Bright Anneal, Pickle,400#, 500#, 600# or 800# Mirror finish |
Application | Petrochemical Industry ; Chemical Fertilizer Industry ; Oil Refining Industry ; Oil And Gas Industry ; Light Industry And Food Industry ; Pulp And Paper Industry ; Energy And Environmental Industries . |
Test | Flaring test ; Flattening test ; Bending Test ; Hydraulic Test ; Eddy Current test |
Design | OEM / ODM / Customized |
Certificate | ISO9001 ; ISO14001; ISO 18001; TUV ; |
Stainless Steel Mechanical Properties | ||||||
Grade | Tensile Strength | Yide Strength | Elogation | Hardness | Solution Annealing | |
kgf/mm2(N/mm2) | kgf/mm2(N/mm2) | % | HRB(HV) | oC | ||
ASTM | TP 304 | ≥53 (515) | ≥21 (205) | ≥35 | ≤90 (200) | 1040oC-1150oC Water Quenching |
TP 304L | ≥50 (485) | ≥17 (170) | ||||
TP 316 | ≥53 (515) | ≥21 (205) | ||||
TP 316L | ≥50 (485) | ≥17 (170) | ||||
JIS | SUS 304 | ≥53 (520) | ≥21 (205) | 1010oC-1150oC Water Quenching | ||
SUS 304L | ≥49 (480) | ≥18 (175) | ||||
SUS 316 | ≥53 (520) | ≥21 (205) | ||||
SUS 316L | ≥49 (480) | ≥18 (175) | ||||
GB | 06Cr19Ni10 | ≥53 (520) | ≥21 (210) | 1010oC-1150oC Water Quenching | ||
022Cr19Ni10 | ≥49 (480) | ≥18 (180) | ||||
06Cr17Ni12Mo2 | ≥53 (520) | ≥21 (210) | ||||
022Cr17Ni12Mo2 | ≥59 (480) | ≥18 (180) | ||||
EN | 1.4301 | (500-700) | ≥20 (195) | ≥40 | 1000oC-1100oC Water Quenching | |
1.4307 | (470-670) | ≥18 (180) | ||||
1.4401 | (510-710) | ≥21 (205) | 1020oC-1120oC Water Quenching | |||
1.4404 | (490-690) | ≥19 (195) |
Stainless Steel Heat Exchanger Tube | ||||
Standard | OD(mm) | WT(mm) | Length(meters) | Grade |
ASTM A249, ASTM A269, EN 10217-7 | 15.88 to 114.3 | 0.3 to 4.0 | Up to 18.3 meter | 1.4301, 1.4306, 1.4404, AISI 304/304l/316l, S31803/S32205, etc |
Standard | Outside Diameter | Thickness | Length | |
ASTM A249 (A1016) | <25.4 | ±0.10 | ±10%S | OD<50.8+3-0 OD≥50.8+5-0 |
≥25.4~<38.1 | ±0.15 | |||
≥38.1~<50.8 | ±0.20 | |||
≥50.8~<63.5 | ±0.25 | |||
≥63.5~<76.2 | ±0.31 | |||
ASTM A269 (A1016) | <38.1 | ±0.13 | OD<12.7±15% OD≥12.7±10% | OD<38.1+3.2-0 OD≥38.1+4.8-0 |
≥38.1~<88.9 | ±0.25 | |||
≥88.9~<139.7 | ±0.38 |
Chemical Composition | Tensile Strength | Yield Strength | Elongation | Hardness HRB |
Grade 304 Stainless Steel (100% & MPA) | ||||
C≤0.08, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤10.5, 18≤Cr≤20 | ≥515 | ≥205 | ≥40 | ≤92 |
Grade 304L Stainless Steel (100% & MPA) | ||||
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤12, 18≤Cr≤20 | ≥485 | ≥170 | ≥40 | ≤92 |
Grade 316L Stainless Steel (100% & MPA) | ||||
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 10≤Ni≤14, 16≤Cr≤18 | ≥485 | ≥170 | ≥40 | ≤95 |
A312 Seamless Stainless Steel Pipe (304 304H Tp304h , TP316L , 310S , 321 )
A312 Tp304H Stainless steel pipes have been qualified by ISO9001 (dual-certified by IQ Net and CQM), GL, DNV, BV, ABS and PED (TUV certificate for Pressure Vessel).
1. Item: SMLS Stainless Steel pipe, Stainless Steel Pipe, A213/312 Stainless Steel Pipe
2. OD: 1/8"-100" (6-2500mm)
3. WT: SCH10-SCHXXS (1-150mm)
4. Length: 5.8m, 6m, or as required
5. Package: Bundles, seaworthy wooden (Plywood) boxes or according to customers' requirements.
6. Application
A) General service industries (petroleummilitary food chemicalpaper fertilizerfabricaviation and nuclear)
B) Fluid, gas and oil transport
C) Pressure and heat transmission
D) Boilerpressure vesselheat exchanger and condenser.
If you are really interested in our products, you can feel free to contact us directly. Your specific enquiry will be highly treated. We will quote you our most favorable price.
Specifications:
Shape : Round tube , Rectangular tube , Suare Tube , Section tube , Section pipe , Special Pipe
O.D : DN4 , DN6 , DN8 , DN10 , DN15 ,DN20 , DN25 ,DN30 , DN40 , DN50 ,DN60 , DN70 , DN80 , DN90 , DN100 , DN150 , DN200 , DN250 , DN300 , DN350 , DN400 , DN450 , DN500 , DN550 ,DN600 , DN650 ,DN700 ,DN750 , DN800 , DN850 , DN900 .
THK : SCH5 , SCH5S , SCH10 ,SCH10S , SCH20 , SCH30 , SCHSTD , SCH40S , SCH40 , SCH60 , SCHXS , SCH80S , SCH80 , SCH100 , SCH120 , SCH140 , SCH160 ,SCHXXS
Other size can be supplied as customers' requirement.
Surface: Matt, Pickling, bright, polished.
Standard: AISI, ASTM, GB, BS, DIN, JIS, etc.
Quality: Prime quality
Technique: Hot Rolled and Cold Rolled
Origin: China
Section 3
General character:
1. Surface appearance and the use of the possibility of diversification
2. Good corrosion resistance, durable
3. High strength and high temperature oxidation
4. Clean, smooth finish
5. Good welding performance
Section 4
Application: Stainless Steel pipe applies to construction field, ships building industry, petroleum and chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields.
Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from ?Φ?6 to?Φ?762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from ?Φ?15 to ?Φ?2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.
Company Profile

Zhongzheng Stainless Steel Co., Ltd. is a China-based manufacturer specializing in R&D, production, and distribution of stainless steel products. Established in the early 2000s, it serves industries including construction, machinery, food/medical equipment, and energy with precision tubes, sheets, profiles, and custom components.
Contact Us
- Zhongzheng Stainless Steel Co., Ltd.
- Contact nameLaijing Bu Chat Now
- AddressRoom 104-07, Building 5, Jinghu Technology Park Huanajinghu Garden, Donglihu Subdistrict Dongli District,
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