ASTM A312 304L 316L 6mtr Seamless Stainless Steel Pipes Grey White Surface Annealed Pickled

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Wenzhou Guohao Steel Co., Ltd

VIP   Audited Supplier 1 year
Profile Certified by SGS/BV
304/304L 316/316L
Seamless Pipe, Stainless Steel Pipes
ASTM, AISI, GB, DIN, EN, GOST9941-81
300 Series
ISO, ISO9001
Round
Cold Rolled
AP/BA/Polishing/Sand Blasting/Shot Blasting
304L 316L Stainless Steel
1/8inch-24inch
Sch10s~Sch160
Random Length or Fixed length
Hydraulic Test /Eddy Current Test/Ultrasonic Test
Stock 7 Days; MTO 30 Days
EXW, FOB, CFR, CIF etc.
SS SMLS ASTM A312 TP316L 2" SCH40S 6MTR HEAT NO:
GH-STEEL
Packed in Bundles or Plywooden Box
TP316L
China
7304419000
Product Description
Product Description

ASTM A312 TP 316 / 316L Stainless Steel Pipes and Tubes is the low carbon version of 316 stainless. With the addition of molybdenum, the steel is popular for use in severe corrosion environments due to the materials immunity from boundary carbide precipitation (sensitisation).

 

The material is widely used in heavy gauge welded components and weld annealing is only required where the material is for use in high stress environments. 316L has an extensive variety of uses especially in marine applications due to the materials high corrosion resistance.

Product Parameters


Product NameStainless Steel Seamless Pipes /Tubes
Труба Сталь конструкционная криогенная
Tubería de acero inoxidable sin costura
Tubos de Aço Inoxidável sem Costura
Company Inform1.Name:WENZHOU GUOHAO STEEL., LTD 
2.Type: Manufacturer 
MaterialAustenitic:
TP304, TP304L, TP304H, TP309S, TP310S, TP316L, TP316Ti, TP317L, TP321, TP321H, TP347H , 904L, 254SMO
GOST Grade: 08х18н10т,12х18н10т(AISI 321), 10х17н13м2т(AISI 316Ti), , 20х23н18(AISI 310S), 06хн28мдт(AISI 904L), 08х18н10(AISI304)
Duplex Stainless:
UNS S31803,UNS S2205,UNS S32750, UNS S32760
Nickel Alloy:
Incoloy: 800/800H/800HT 825 926 20 28 201 200
Inconel :718 600 601 625
Hastelloy: C-22 C-276 B-2 B-3

High Temperature Alloy:GH3030 GH3039 Cr20Ni80 ;
Monel400,K-500
StandardASTM A312,ASTM A213,ASTM A269,ASTM A511,ASTM A789,ASTM A790
ASTM B161 B163 B165 B167 B407 B423 B444 B622 B677 B729 B983
EN 10216-5,DIN 17456
GB/T 14976,GB13296,GB/T 21833,GB/T 15011,GB/T 15062
GOST 9940,GOST 9941
SpecificationD(Outer Diameter)6mm-630mm
1/8inch-24inch 
T(Wall Thickness)0.89mm-40mm
SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS
10 BWG, 12 BWG, 14 BWG , 16 BWG, 18 BWG, 20 BWG
L(Length)Random length 5~7m
Fixed length 6m /6.096m /6.1m/12m 
or as customer's actual request
SurfaceAnnealing&Pickling,
Polishing (180#,240#,320#,400#,600#)
Bright Annealing
Sand Blasting
Shot Blasting
Pipe EndPlain End (PE);
Bevelled End (BE);
Threaded End (TE)
MarkingsGH-STEEL S.S SMLS PIPE ASTM A312 TP316Ti  2" SCH40S 6MTR HEAT NO.***********
Markings will adhere to prescribed specifications in A999/A999M and shall include the NPS or OD and schedule number or average wall thickness, heat number, and NH (when hydrotesting is not performed) and ET (when eddy-current testing is performed) or UT (when ultrasonic testing is performed). The marking shall also include the manufacturer's private identifying mark, the marking requirement of section 12.3 on Hydrostatic or Nondestructive Electric Test, if applicable, and whether seamless (SML), welded (WLD), or heavily cold-worked (HCW). For Grades TP304H, TP316H, TP321H & TP347H, the marking shall also include the heat number and heat-treatment lot identification.
Flattening TestFor material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5% of the lot, but in no case less than 2 lengths of pipe.
Hydraulic Test or Nondestructive TestEach pipe shall be subjected to the Nondestructive Test or the hydraulic test
Value Added ServicesCustomize Length, Bending, Polishing, Shot Blasting, Drilling/Punching, Oil Degreasing
Delivery Time1.for ready stock :7 days after receiving the deposit of T/T
2.For MTO: 35 days after receiving the  deposit of T/T
Trade TermsEXW,FOB, CFR, CIF etc.
Loading PortNingbo/Wenzhou/Shanghai
Remittance methodTT/LC/CASH/DP
Container20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM
Referenced DocumentsASTM Referenced Standards
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for Alloy and Stainless-Steel Pipes
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes
E112 Test Methods for Determining Average Grain Size
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
 
 

Chemical Composition & Mechanical Performance for stainless steel seamless tubes pipes

Chemical Composition (%)Mechanical Performance
GradeCMnPSSiCrNiMoNTiOthersMpa (kgf/mm²)Elongation .(%) em 2" (min.)Hardness
(AISI)(max.)(max.)(max)(max.)(max.)(min.)(min.)(min.)(min.)(min.)HRB
(max.)(max.)(max.)(max.)(max.)Tensile strength (min.)Yield strength  (min.)(max.)
3040,0802,00,0450,0301,0018,08,0    5152053590
20,011,0
304L0,0352,000,0450,0301,0018,08,0    4851703590
20,013,0
304H0,0402,000,0450,0301,0018,08,0    5152053590
0,10020,011,0
309S0,0802,000,0450,0301,0022,012,00,75   5152053590
24,015,0
3100,1502,000,0450,0301,0024,019,0    5152053590
26,022,0
310S0,0802,000,0450,0301,0024,019,00,75   5152053590
26,022,0
310H0,0402,000,0450,0301,0024,019,0    5152053590
0,10026,022,0
3140,2002,000,0450,0151,5024,019,0 0,11  5152053590
2,5026,022,0
3160,0802,000,0450,0301,0016,011,02,00   5152053590
18,014,03,00
316H0,0402,000,0450,0301,0016,011,02,00   5152053590
0,10018,014,03,00
316L0,0352,000,0450,0301,0016,010,02,00   4851703590
18,014,03,00
316Ti0,0802,000,0450,0300,7516,010,02,000,10 max5x(C+N)-0,70 5152053590
18,014,03,00
317L0,0352,000,0450,0301,0018,011,03,00   5152053590
20,015,04,00
3210,0802,000,0450,0301,0017,09,0 0,10 max5x(C+N)-0,70 5152053590
19,012,0
321H0,0402,000,0450,0301,0017,09,0 0,10 max4x(C+N)-0,70 5152053090
0,10019,012,0
3470,0802,000,0450,0301,0017,09,0   Nb:10xC-1,005152053590
19,013,0
347H0,0402,000,0450,0301,0017,09,0   Nb:8xC-1,005152053590
0,10019,013,0
S31254
254SMO
0,0201,000,0300,0300,0819,5017,506,000,18 Cu:0,50-1,00t≤5mm 675t≤5mm 3153590
20,5018,506,500,25 t>5mm 655t>5mm 310
904L0,0202,000,0400,0301,0019,0023,004,000,10 max Cu:1,00-2,00490215 90
UNS 890423,0028,005,00
UNS318030,0302,000,0300,0201,0021,004,502,500,080  62045025HRC 30
23,006,503,500,20
UNS322050,0302,000,0300,0201,0022,004,503,000,14  65548525HRC 30
23,006,503,500,20
SUPER DUPLEX UNS327500,0301,200,0350,0200,8024,006,003,000,24 Cu: 0,50 max80055015HRC 34
26,008,005,000,32
SUPER DUPLEX UNS327600,0301,000,0300,0101,00024,006,003,000,20 Cu:0,50-1,0075055025HRC 32
26,008,004,000,30W:0,50-1,00
GradeMaterial numberC
(max)
Si
(max)
Mn
(max)
P
(max)
S
(max)
N
(max)
CrMoNiTiNb
X5CrNi18-101.43010.070 1.00 2.00 0.0450.0150.1117.00-19.50 8.00-10.50  
X2CrNi19-111.43060.030 1.00 2.00 0.0450.0150.1118.00-20.00 10.00-12.00  
X2CrNiN18-101.43110.030 1.00 2.00 0.0450.0150.12-0.2217.00-19.50 8.50-11.50  
X6CrNiTi18-101.45410.080 1.00 2.00 0.0450.015 17.00-19.00 9.00-12.005×C-0.70 
X6CrNiNb18-101.45500.080 1.00 2.00 0.0450.015 17.00-19.00 9.00-12.00 10×C-1.00
X5CrNiMo17-12-21.44010.070 1.00 2.00 0.0450.0150.1116.50-18.502.00-2.5010.00-13.00  
X2CrNiMo17-12-21.44040.030 1.00 2.00 0.0450.0150.1116.50-18.502.00-2.5010.00-13.00  
X6CrNiMoTi17-12-21.45710.080 1.00 2.00 0.0450.015 16.50-18.502.00-2.5010.50-13.505×C-0.70 
X2CrNiMoN17-13-31.44290.030 1.00 2.00 0.0450.0150.12-0.2216.50-18.502.50-3.0011.00-14.00  
X2CrNiMo18-14-31.44350.030 1.00 2.00 0.0450.0150.1117.00-19.002.50-3.0012.50-15.00  
X3CrNiMo17-13-31.44360.050 1.00 2.00 0.0450.0150.1116.50-18.502.50-3.0010.50-13.00  
X2CrNiMoN17-13-51.44390.030 1.00 2.00 0.0450.0150.12-0.2216.50-18.504.00-5.0012.50-14.50  
ANSI/ASME B36.10M B36.19M Dimension Coparison Table for Stainless Steel Tubes Pipes
Norminal Pipe Size Outside DiameterWall Thicknesses Schedule ANSI/ASME B36.10M,B36.19M
DN(in.)Dsch5ssch10ssch10sch20sch30sch40sSTDsch40sch60sch80sXSsch80sch100sch120sch140sch160XXS
1/810.3---1.24---------1.731.731.73---2.412.412.41---------------
1/413.7---1.65---------2.242.242.24---3.023.023.02---------------
3/817.1---1.65---------2.312.312.31---3.23.23.2---------------
1/221.31.652.11---------2.772.772.77---3.733.733.73---------4.787.47
3/426.71.652.11---------2.872.872.87---3.913.913.91---------5.567.82
133.41.652.77---------3.383.383.38---4.554.554.55---------6.359.09
42.21.652.77---------3.563.563.56---4.854.854.85---------6.359.7
48.31.652.77---------3.683.683.68---5.085.085.08---------7.1410.15
260.31.652.77---------3.913.913.91---5.545.545.54---------8.7411.07
732.113.05---------5.165.165.16---7.017.017.01---------9.5314.02
388.92.113.05---------5.495.495.49---7.627.627.62---------11.1315.24
101.62.113.05---------5.745.745.74---8.088.088.08---------------
4114.32.113.05---------6.026.026.02---8.568.568.56---11.13---13.4917.12
5141.32.773.4---------6.556.556.55---9.539.539.53---12.7---15.8819.05
6168.32.773.4---------7.117.117.11---10.9710.9710.97---14.27---18.2621.95
8219.12.773.76--- 7.048.188.188.1810.3112.712.712.715.0918.2620.6223.0122.23
10273.13.44.19---6.357.89.279.279.2712.712.712.715.0918.2625.428.5825.4 
12323.93.964.57---6.358.389.539.5310.3114.2712.712.717.4821.4425.428.5833.3225.4
14355.63.964.786.357.929.53---9.5311.1315.09---12.719.0523.8327.7931.7535.71 
16406.44.194.786.357.929.53---9.5312.716.66---12.721.4426.1930.9636.5340.49
18457.24.194.786.357.9211.13---9.5314.2719.05---12.723.8329.3634.9339.6745.24
205084.785.546.359.5312.7---9.5315.0920.62---12.726.1932.5438.144.4550.01
22558.84.785.546.359.5312.7---9.53---22.23---12.728.5834.9341.2847.6353.98
24609.65.546.356.359.5314.27---9.5317.4824.61---12.730.9638.8946.0252.3759.54
26660.4------7.9212.7------9.53---------12.7 
28711.2------7.9212.715.88---9.53---------12.7
307626.357.927.9212.715.88---9.53---------12.7
32812.8------7.9212.715.8817.489.5317.48------12.7
34863.6------7.9212.715.8817.489.5317.48------12.7 
36914.4------7.9212.715.8819.059.5319.05------12.7
38965.2------------------9.53---------12.7Note: sch5s,10s,40s,80s Used for steel pipe fittings
401016------------------9.53---------12.7
421066.8------------------9.53---------12.7
441117.6------------------9.53---------12.7
461168.4------------------9.53---------12.7
481219.2------------------9.53---------12.7
 Tube Sizes for Heat Exchanger & Condensers& Boilier
Outside DiameterBWG
2522201816141210
Wall Thickness mm
0.5080.710.891.241.652.112.773.40
mminchWeight kg/m
6.351/40.0810.1090.1330.1740.212   
9.53 3/80.1260.1570.1930.2570.3560.429  
12.7 1/2 0.2140.2630.3560.4570.6120.754 
15.88 5/8 0.2710.3340.4550.5880.7960.995 
19.05 3/4 0.3270.4050.5530.7290.8951.236 
25.41    0.440.5460.750.9811.2341.5742.05
31.751 1/4 0.5540.6880.9471.2441.5742.0142.641
38.11 1/2 0.6670.8321.1441.5141.9042.4543.233
44.51 3/4   1.3421.7742.2442.8943.5
50.82      1.5492.0342.5743.3344.03
63.52 1/2   1.9492.5543.2444.2145.13
76.23      2.3453.0843.9145.0946.19
88.93 1/2   2.7293.6094.5845.9747.27
101.64       4.1345.2546.8548.35
114.34 1/2    4.6545.9247.7349.43
Stainless Steel Tube: A/SA213, A/SA269, A/SA789, EN10216-5, GOST9941-81.
STANDARD
SummaryStandards
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger TubesASTM A213
Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser TubesASTM A249
Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General ServiceASTM A269
Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A312
Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General ApplicationsASTM A409
Standard Specification For Seamless Stainless Steel Mechanical TubingASTM A511
Standard Specification For Seamless Stainless Steel Tubes,cold and hot finishedGOST9941-81
Standard Specification For Seamless Stainless Steel Tube for Pressure purposesEN 10216-5
Standard Tolerance for Stainless Steel Tubes Pipes 
StandardOutside Diameter Tolerance(mm)Thickness Tolerance(mm)Length Tolerance (mm)
ASTM A269D<12.7±0.13±15%+3.2 / -0
(12.7~38.1]±0.13±10%
[38.1~88.9)±0.25+4.8 / -0
[88.9~139.7)±0.38
[139.7~203.2)±0.76
ASTM A213D<25.4±0.1D≤38.1+20%/ -0%D≤50.80+3 / -0
[25.4~38.1]±0.15
(38.1~50.8)±0.2D>38.1+22%/ -0%D>50.8+5 / -0
[50.8~63.5)±0.25
[63.5~76.2)±0.30
[76.2~101.6]±0.38
(101.6~190.5]+0.38  / -0.64
(190.5~228.6]+0.38  / -1.14
ASTM A312[10.29~48.26]+0.4  / -0.810.3~73+20% / -12.5%+6 / -0
88.9~457 T/D≤5%+22.5% / -12.5%
(48.26~114.30]±0.8088.9~457 T/D>5%+15% / -12.5%
(114.30~219.08]+1.6  / -0.8508above T/D<5%+22.5% /-12.5%
(219.08~457.20]+2.4  / -0.8508above T/D>5%+15%/-12.5%
ASTM A789D<12.7±0.13±15%+3 / -0
[12.7 to 38.1)±0.13±10%
[38.1 to 88.9)±0.25+5 / -0
[88.9 to 139.7)±0.38
[139.7 to 203.2)±0.76
ГОСТ 9941-81[5~10]Normal:±0.30
High:±0.20
Higher:±0.15
T:0.2Normal:±0.05;
High:±0.03
/
T:0.3~0.4Normal:±0.07;
High:±0.05
T:0.5~1.0Normal:±0.15;
High:±0.10
[11~30]Normal:±0.40
High:±0.30
Higher:±0.20
T:1.2~3.0Normal:+12.5% / -15%;
High:±12.5%;
Higher:+12.5% / -10%
T:3.5~7.0Normal:±12.5%;
High:+12.5% / -10%;
Higher:±10%
[32~95]Normal:±1.2%
High:±1%
Higher:±0.8%
T:7.5~8.5Normal:+12.5% / -10%;
Higher:±10%
EN10216-5D3±0.75% / ±0.30mmT3±10%/ ±0.20mmL≤6m+5 +0
D4±0.5% / ±0.10mmT4±7.5% / ±0.15mm≥6~12M+10-0
Packaging & Shipping

  1. All of our stainless steel seamless pipe & tubes are packaged as per international standard to prevent any possible damage or loss. By default, we will use thick woven plastic bag to bundle the finished pipes together in batches.
  2. For some special pipes & tubes that are vulnerable to dirt, scratches, stress or rough handling, we will suggest wooden case for protection. Kindly note, wooden case can incur extra cost, not only its own cost, but also the increased freight cost, which is especially true for air transportation.
  3. For enhanced customer experience, we also provide dedicated package as per your special requirements.
Certifications

The inspection of our company and products is open to customers themselves or their designated third-party inspectors, such as SGS, BV, TUV, DNV, etc., who are well-known in the industry.
PRODUCT APPLICATION

Company Profile

Wenzhou Guohao Steel was established in 2008. We are ISO 9001:2015 approved manufacturer, having a state-of-the-art infrastructure facility for having smooth production process. It has successfully grown by focusing on serving customers across a range of high technology industries. One of our company strengths is its people, with many colleagues having been with the company from the beginning. This provides our customers with the benefit of a wealth of experience and industry knowledge. Guohao Steel now has the whole of manufactured stainless steel products to add to its already large range of High Performance Nickel Alloys.
Guohao Steel adhere to the high standards of integrity and compliance required, including:
  1. Environmental standards
  2. Health and safety standards
  3. Ethical trading standards
  4. Export compliance requirements
We now stock and have direct access to a wide range of other materials, including stainless steels and nickel alloys. We supply and process pipes for numerous key industry sectors, collaborating with both small businesses and large international manufacturers across various countries. Due to our reputation for quality, reliability, and industry approvals, we are a well-regarded supplier in diverse sectors. Our delivery of long-term tangible benefits enables our customers to compete in today's challenging global marketplace.
In order to achieve our goals, we are improving our facilities and expanding our machinery to offer broader processing capabilities. Additionally, our investment extends to the growth and development of our teams, which represent our most valuable resource. We aim for our customers to receive the best experience and trust in the expertise, knowledge, and experience of our teams. As we continue looking towards the future, we rely on our core values to guide both decisions and actions.

 
Our Advantages

  1. More than 16 Years of Experience in Stainless Steel Production.
  2. Provides cost-effective products and professional services to you.
  3. We offer an extensive range of stainless steel, super duplex steel,nickel alloy.
FAQ

1.Q: Do you provide customized product services?
A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.

2.Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes.

3.Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.

4.Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.

5.Q: How do you ensure the quality of the product?
A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.

6.Q: What is your delivery time?
A: Different products and procurement quantities have different delivery times. The product will be delivered as soon as possible on the basis of quality assurance. Usually, if the goods are in stock, it takes 3-10 days. Alternatively, if the goods are out of stock, it will take 25 to 45 days.

7.Q: Can you arrange shipment?
A: Of course, we have freight forwarders who have been cooperating for many years. We are VIP and can provide you with the most favorable prices and professional services.

8.Q: What if I don't have import experience?
A: We have rich export experience. As long as you have an import license, please leave the rest to us! We will help you choose the most suitable transportation service to safely and accurately deliver the product to the place where it is needed.
 

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