JIS G3461 STB 340 steel tube/pipe
JIS G3461 STB 340 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum industries. However, it is no applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service.
JIS G3461 STB 340 Chemical Composition
| Symbol of class | Traditional symbol | C | Si | Mn | P | S |
| STB 340 | STB 35 | 0.18 max | 0.35 max | 0.30 to 0.60 | 0.035 max | 0.035 max |
JIS G3461 STB 340 Mechanical Properties
| Symbol of class | Tensile strength N/mm2 | Yield point or proof stress N/mm2 | Elongation % | ||
| Outside diameter under 10 mm | Outer diameter 10 mm or over to and excl. 20 mm | Outer diameter 20mm or over | |||
| No. 11 test piece | No. 11 test piece | No. 11 test piece No. 12 test piece | |||
| STB 340 | 340 min | 175 min | 27 min | 30 min | 35 min |
JIS G3461 STB 340 Hardness
| Symbol of class | Rockwell hardness HRB (Mean value of three points) |
| STB 340 | 77 max |
For detail product information of JIS G3461 STB 340 steel tube/pipe, please contact our sales person.
Our trade term: FOB, CFR, CIF, or other terms in Incoterms 2010.
Our payment term: T/T, L/C, detail can be talk.
Our delivery time: If we have stock, will deliver in 5 days, if no stock, will produce and deliver at the earliest time.
Origin of our product: China.
Our package: Package is sea worthy, also can be made as customer's requirement.
Our Shipping type: 20GP container, 40GP container, bulk carrier, and so on.
We can supply JIS G3461 STB 340 steel tube/pipe in different size, both seamless pipe and weld pipe, if you need this pipe, please send us your inquiry, sincerely want to cooperate with you.
Katalor Enterprise Co., Ltd is a comprehensive group involved in produce, process and sale different kinds of steel products. We have thousands ton of steel products in stock, also have the ability to process steel tubes, cutting piece and steel structure as customer's drawing, please contact us if you have demands.
