wenzhoushi chengyu steel co.,ltd
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 8000TONS PER YEAR |
| Delivery Time | 5-15DAYS |
| Packaging Details | Plastic Bag,Plywooden case |
| Type | Welded |
| Welding line type | ERW,EFW |
| Standard | EN,ASTM,AISI,DIN,JIS |
| Application | Decoration,Industry,Railing & baluster constrcution Decoration |
| Shape | Round.square.Rectangle,Round.square.Rectangle .Flat.Oval. Solid |
| Surface | Annealed/Pickling/Polished/Brushed/Sand-blasted finished |
| Brand Name | CHENGYU |
| Certification | ISO |
| Place of Origin | CHINA |
| Model Number | 21*2.11 |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 8000TONS PER YEAR |
| Delivery Time | 5-15DAYS | Packaging Details | Plastic Bag,Plywooden case |
| Type | Welded | Welding line type | ERW,EFW |
| Standard | EN,ASTM,AISI,DIN,JIS | Application | Decoration,Industry,Railing & baluster constrcution Decoration |
| Shape | Round.square.Rectangle,Round.square.Rectangle .Flat.Oval. Solid | Surface | Annealed/Pickling/Polished/Brushed/Sand-blasted finished |
| Brand Name | CHENGYU | Certification | ISO |
| Place of Origin | CHINA | Model Number | 21*2.11 |
| High Light | Annealed ERW Seamless Boiler Tube ，ASTM A312 Seamless Boiler Tube ，21x2.11 Stainless Steel Heat Exchanger Tube | ||
Quick Details
Standard:JIS,AISI,ASTM,GB,DIN,EN,GOST
Grade:201/304/304L/304LN/304H/316Ti/316L/316H/321/321H/904L/310S/347 etc
Application:Pipe and Tubes for petrochemical industry,Pharmaceutical industry,Food industry,Aviation and aerospace industry,Architectural decoration industryEtc
Surface Finish:Brush polish,Hairline,160grit,Mirror,Bright,Etc
Test:Hardness Test,Hydrostatic Test,Ultrasonic Test,Eddy Current Test,Dimensional Checking,Chemical Analysis Etc
| Name | Straight Stainless Steel Heat Exchanger Tube , ASTM A312 Seamless Boiler Tube | |||
| Items | Round tubes ,welded | |||
| Standard | ASTM ,GB,DIN AISI | |||
| Material Grade | 316L:Ni 10%, Cr 16% | |||
| 304L: Ni 8%, Cr 18% | ||||
| 304: Ni 8%, Cr 18% | ||||
| Outer Diameter | Round pipe9.5mm--813mm | |||
| square | 12.7x12.7--200X200mm | |||
| rectangular | 20X40--150X200mm | |||
| Thickness | 0.8mm - 34mm | |||
| Length | 5.8m,6m, or as customers' request | |||
| Tolerance | a) Outer Diameter: +/- 0.2mm | |||
| b) Thickness: +/- 0.02mm | ||||
| c) Length: +/- 5mm | ||||
| Surface | annealing,pickling | |||
| sandblasting | ||||
| Application | industry,exhausting,water | |||
| Test | Squash test, extended test, water pressure test,heat treatment, NDT | |||
| Chemical Composition of Material | Material | 304L | 316L | 304 |
| C | ≤0.035 | ≤0.035 | ≤0.08 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | ≤2.00 | ≤2.00 | ≤2.00 | |
| P | ≤0.045 | ≤0.045 | ≤0.045 | |
| S | ≤0.03 | ≤0.03 | ≤0.03 | |
| Cr | 18-20 | 16-18 | 18-20 | |
| N | 8-12.0 | 10-14 | 8-10.5 | |
| Mechanical Property | Material Item | 304L | 316L | 304 |
| Tensile Strength | ≥515 | ≥515 | ≥515 | |
| Yield Strength | ≥205 | ≥205 | ≥205 | |
| Extension | ≥35% | ≥35% | ≥35% | |
| Hardness (HV) | N/M | N/M | N/M | |
| Stainless Steel Chemical Composition (%,max) | ||||||||||||
| UNS | ASTM | DIN | JIS | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni ≤ | Cr ≤ | Mo | Others |
| S30400 | 304 | 1.4301 | SUS304 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 8.00-11.00 | 18.00-20.00 | ||
| S30403 | 304L | 1.4306 | SUS304L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 8.00-13.00 | 18.00-20.00 | ||
| S30451 | 304N | 1.4315 | SUS304N1 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 8.00-11.00 | 18.00-20.00 | N:0.1-0.16 | |
| S30900 | 309 | 1.4828 | SUS309 | 0.15 | 0.75 | 2 | 0.04 | 0.03 | 12.00-15.00 | 22.00-24.00 | ||
| S31000 | 310 | 1.4821 | 0.15 | 0.75 | 2 | 0.04 | 0.03 | 19.00-22.00 | 24.00-26.00 | |||
| S31600 | 316 | 1.4401 | SUS316 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11.00-14.00 | 16.00-18.00 | 2.00-3.00 | |
| S31603 | 316L | 1.4404 | SUS316L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 10.00-15.00 | 16.00-18.00 | 2.00-3.00 | |
| S31700 | 317 | 1.4436 | SUS317 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11.00-14.00 | 18.00-20.00 | 3.00-4.00 | |
| S32100 | 321 | 1.4541 | SUS321 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 9.00-13.00 | 17.00-20.00 | Ti:5xC%-0.70B | |
| S34700 | 347 | 1.455 | SUS347 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 9.00-13.00 | 17.00-20.00 | Nb+Ta:10xC%-1.00 | |
| S31635 | 316Ti | 1.4571 | SUS316Ti | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11.00-14.00 | 16.00-18.00 | 2.00-3.00 | Ti:5xC%-0.75 |
Q1: Wonder if you accept small orders?
A1: Do not worry. Feel free to contact us. In order to get more orders and give our clients more convener ,we accept small order.
Q2: Can you send products to my country?
A2: Sure, we can. If you do not have your own ship forwarder, we can help you.
Q3: Can you do OEM for me?
A3: We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP.
Q4: What's your payment terms ?
A4: By T/T,LC AT SIGHT,30% deposit in advance, balance 70% before shipment.
Q5: How long is your production lead time?
A5:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.
Q6: When can I get the quotation ?
A6: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2013
Total Annual:
10000000-20000000
Employee Number:
>30
Ecer Certification：
Active Member
Wenzhoushi Chengyu Steel Co.,Ltd specialized in stainless steel products. We are situated close to the Ouhai Avenue, 3 kilometers away from Wenzhou international airport, beautiful environment, convenient transportation and favorable geographical position. Company is committed to the stainless st... Wenzhoushi Chengyu Steel Co.,Ltd specialized in stainless steel products. We are situated close to the Ouhai Avenue, 3 kilometers away from Wenzhou international airport, beautiful environment, convenient transportation and favorable geographical position. Company is committed to the stainless st...
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