Plumbing
| Standard | JIS G3459 |
|---|---|
|
MaterialMethod
|
Seamless pipe |
| TP-S | |
| 304 | ○ |
| 304L | ○ |
| 316 | ○ |
| 316L | ○ |
| 310S | ○ |
| 329J4L | ○ |
| Standard | JIS G3459 | ||
|---|---|---|---|
|
MaterialMethod
|
Seamless pipe | ||
| BA | EP | BA Coil | |
| 304 | ○ | - | ○ |
| 304L | - | - | - |
| 316 | ○ | - | ○ |
| 316L | ○ | ○ | ○ |
| 310S | - | - | - |
| Standard | ASTM A312 | ASME SA312 | ASME SA790 |
|---|---|---|---|
|
MaterialMethod
|
Seamless pipe | ||
| TP-S | |||
| 304 | ○ | ○ | - |
| 304L | ○ | ○ | - |
| 316 | ○ | ○ | - |
| 316L | ○ | ○ | - |
| S31803 | - | - | ○ |
| S32750 | - | - | ○ |
For boiler and heat exchanger
| Standard | JIS G3463 |
|---|---|
|
MaterialMethod
|
Seamless pipe |
| TB-S | |
| 304 | ○ |
| 304L | ○ |
| 316 | ○ |
| 316L | ○ |
| 310S | - |
| 329J4L | ○ |
| 317L | ○ |
| 410 | ○ |
For a structure of machines
| Standard | JIS G3446 |
|---|---|
|
MaterialMethod
|
Seamless pipe |
| TKA-S | |
| 304 | ○ |
| 304L (※1) | ○ |
| 316 | ○ |
| 316L (※1) | ○ |
| 310S | - |
| 329J4L | - |
Duplex fitting (SUS329J4L)
| Standard | JIS B2312 |
|---|---|
|
MaterialMethod
|
Seamless |
| 90ﾟ long pipe elbow | ○ |
| Tees (equal fitting) | ○ |
| Concentric reducer | ○ |
*1 Due to that 304L and 316L is out of JIS G3446, other JIS-based item is delivered instead.
-
Seamless pipe
In addition to JIS-based items, oversea standard items such as ASTM and ASME are available.
Moreover, 329J4L (JISG3459), S32750 (ASME SA790) - super duplex stainless steel pipe having higher pitting-factor -, and S31803(ASME SA790), which is equivalent to 329J3L are also in stock. -
For boiler and heat exchanger
SUS304, 316, 316L, 304L (19mm to 25.4mm in outer diameter) are available in immediate delivery basis.
Duplex stainless steel SUS329J4 is in stock for sale.
We also estimate the curving cost when needed. -
Seamless pipe BA,EP
There are BA from 1.58mm to 89.1mm in outer diameter, and EP from 3.18mm to 89.1mm in our stock.
-
For machine structure
As well as Sandvik's dual-marked 304/304L, 316/316L, we sells a wide range of vendors' items.
-
Seamless pipe BA Coil
We have plenty of stock such as SUS304, 316/316L, and 30 meter long coil, which outer diameter from 3mm to 12.7mm.
-
Others
Duplex seamless fittings are available.
For more information, click here.
Gauge tubes and low finned tubes are also available.
Seamless pipe expert.
We have been merchandised seamless pipes since foundation. Our staffs works hard to meet your demand by manipulating more than 40 years of experience. Yamamoto Special steel is the only company specializing in seamless pipe sales in this industry. As well as products of Kobelco Steel Tubes and other JIS-based items, ASTMs and ASMEs are available in immediate delivery basis.
There are a wide variety of items available sold by only us. We started selling 329J4L (JISG3459), S32750 (ASME SA790) - super duplex stainless steel pipe having higher pitting-factor -, and 329J3L (ASME SA790) as well. Regarding the best selection in this industry, Please order Yamatoku to get seamless pipes.
Other items like deformed metal in our selection.
Are you giving up choosing what kind of metal you use? A type of stainless steel varies in hundreds. We cooperate with vendors and gather the stock information with them. It allows us to propose appropriate information quickly.
For detailed information, see our available item list.
Small lot order, quick delivery
Seamless pipes are usually used in particular purpose. In that case we often get such an order as you may need only small amount of them as soon as possible.
We choose the best vendor to meet your small lot, quick needs from our supply chain network confirmed by more than 20 firms. Please do not hesitate to ask us for your prototype testing or the quantity.
Processing.
Pipe cutting which requires accurate crossing, curving process, pipe beveling, drilling, threading, polishing, degreasing, and any other processing are available in our service. Just ask "how about this?" to us, and we will make best effort to answer with the long term know-how and the network.
