SHANDONG TONGMAO SPECIAL STEEL CO., LTD
Attitude determines everything, details determine success or failure！
Add to Cart
15mm 4 Inch 321 304 Stainless Steel Seamless Pipe JIS ASTM A270 SS Steel Pipes
Stainless steel pipe is divided into seamless pipe and welded pipe according to the production mode. It is mainly used in industrial transmission pipelines such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and mechanical structural parts. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used as furniture, kitchenware, etc.
Product description
| Commodity Name | Stainless steel pipe |
| Type | Seamless |
| Standard | ASTM A554, A249,A269,A270 , A312 |
| Material | 201,202,301,304,304L,316,316L,316Ti,321,410,430 |
| Outer Diameter | 6-620mm |
| Wall Thickness | 0.25-40mm |
| Length | 6-12m or customize |
| Tolerance | OD±1% WT±5% or as per customers’ request |
| Surface | Satin/Hairline/Mat/Pickling 400G,500G,600G or 800G Mirror finish |
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
| Application | Construction, Industry, Petroleum, Chemical, Boiler and Exchanger |
| Packing | Bundle packing Beveled end or pained Marking as customers’ request Plastic caps at ends Wooden box packing |
| Commodity Name | Stainless steel pipe |
| Type | Welded |
| Standard | ASTM A554, A249,A269,A270 , A312 |
| Material | 201,202,301,304,304L,316,316L,316Ti,321,410,430 |
| Outer Diameter | 6-1020mm |
| Wall Thickness | 0.25-40mm |
| Length | 6-12m or customize |
| Tolerance | OD±1% WT±5% or as per customers’ request |
| Surface | Satin/Hairline/Mat/Pickling 400G,500G,600G or 800G Mirror finish |
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
| Application | Construction, Industry, Petroleum, Chemical, Boiler and Exchanger |
| Packing | Bundle packing Beveled end or pained Marking as customers’ request Plastic caps at ends Wooden box packing |
Detailed photos
Product parameters
Chemical Composition
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Ni | Cr |
| 201 | 0.12 | 0.75 | 7.00 | 0.035 | 0.030 | 3.5-5.5 | 16.0-18.0 |
| 202 | 0.15 | 1.00 | 2.25 | 0.035 | 0.030 | 4.0-6.0 | 17.0-19.0 |
| 304 | 0.08 | 0.75 | 2.00 | 0.035 | 0.030 | 8.0-10.0 | 17.0-19.0 |
| 304L | 0.035 | 0.75 | 2.00 | 0.035 | 0.030 | 8.0-10.0 | 18.0-20.0 |
| 309 | 0.15 | 0.75 | 2.00 | 0.035 | 0.030 | 12.0-15.0 | 22.0-24.0 |
| 310S | 0.08 | 1.5 | 2.00 | 0.035 | 0.030 | 19.0-22.0 | 24.0-26.0 |
| 316 | 0.08 | 1.0 | 2.00 | 0.035 | 0.030 | 10.0-14.0 | 16.0-18.0 |
| 316L | 0.035 | 0.75 | 2.00 | 0.035 | 0.030 | 12.0-15.0 | 16.0-18.0 |
| 321 | 0.04-0.10 | 0.75 | 2.00 | 0.035 | 0.030 | 8.0-11.0 | 17.0-19.0 |
| 410 | 0.03 | 1.00 | 1.25 | 0.035 | 0.030 | ---------- | 11.0-13.0 |
| 430 | 0.12 | 0.75 | 1.00 | 0.035 | 0.030 | ----------- | 16.0-18.0 |
Packing and shipping
FAQ
How can I contact with your company?
We are always ready to serve you via Email, Wechat or Mobile telephone.
Mobile:+86-18963570880 Wechat: 008618963570880
What is your working time?
Monday-Saturday : 8:00AM-17:30PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . For detail,
please see our update holiday notice. During these period, if you have a demand, Please
send me an email.
Do you provide free samples?
Yes, we can provide a free small sample for testing, buyer should bear all the shipping costs.
What is your payment terms?
T/T,L/C,Western Union,MoneyGram,Paypal
We are doing the best to match your demand.
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers' quantity.
Anyway,we try to offer good-quality products as soon as possible.