Stainless Steel Pipes

Stainless Steel Pipes

ステンレス鋼管

Stainless steel tubes and pipes for vital industrial equipment components, such as structural elements of machinery and buildings, piping, boilers and heat exchangers. We mainly handle products of NIPPON STEEL CORPORATION and handle the largest sales volume of this company’s products. With our know-how and long history, we are proud to show unrivalled passion for and expertise in all things related to steel tubes and pipes. The Mishima Steel Service Center, a major site, obtained the ISO9001 certification for its quality management system in January 2015, which was then updated to ISO9001:2015 in November 2017.

About Quality Assurance and Control

1. Major Steel Types

  • SUS 304
  • SUS 304L
  • SUS 304A
  • SUS 310S
  • SUS 316
  • SUS 316L
  • SUS 329J4L

2. Most Popular Dimensions

Round tubes and pipes Seamless steel tubes and pipes: φ1.59 to φ406.4
Welded steel tubes and pipes: φ6 to φ609.6 (up to φ2200 when custom-made by manufacturer)
Square tubes and pipes □7×7 to □400×400
Special tubes and pipes Various types manufacturable (inquiries welcome)

3. Most Popular Finish

Pickling, BA, EP, exterior polish (decoration pipes), interior/exterior polish (sanitary pipes)

4. Joints and Flanges

Products

We provide various types of processing services for flanges, elbows, reducers, lap joints, etc., by ourselves or through affiliated companies.

5. Ultra High Purity Super Clean Pipe

Nippon Steel & Sumikin Stainless Steel Pipe’s "Ultra High Purity Super Clean Pipe" features an inner surface with superior smoothness, made of high cleanliness steel for semiconductor manufacturing equipment smelted at NIPPON STEEL CORPORATION. Ultra High Purity Super Clean Pipe is a high-precision product manufactured using state-of-the-art facilities and quality controlled to meet ISO 9001 (JQA-1241, JQA-QM9230).

Types of Ultra High Purity Super Clean Pipe

Seamless Pipe

SUMICLEAN M (Double Melt VIM / VAR)
Steel types SUS316L
Surface finish EPS
Product with high corrosion resistance using double-melt material with minimized impurity elements and non-metal inclusions.

SUMICLEAN C (Single Melt)
Steel types SUS304, SUS316, SUS316L
Surface finish BA, BAS, EPS
Single-melt product available in a range of steel types and size variations to match any component material.

Welded Pipe

SUMIWEL CLEAN PIPE
Steel types SUS316L, (SUS304)
Surface finish BAS, EPS
Large-diameter welded pipe with superior quality in dimensional accuracy and inner surface roughness.

Grade O.D.
[mm (inch)]		 Material Finishing Grade
BA BAS EPS
SEAMLESS PIPE SUMICLEAN M
(Double Melt VIM / VAR)		 3.18 (1/8") ～ 12.7 (1/2") 316L ○
SUMICLEAN C
(Single Melt)		 3.18 (1/8") ～ 60.5 (50A) 316L
316
304		 ○ ○ ○
WELDED PIPE SUMIWEL CLEAN PIPE 76.3 (65A)
UP		 316L
(304)		 ○
MPS		 ○

MPS: Mechanical polishing + super micro cleaning
(Source: Nippon Steel & Sumikin Stainless Steel Pipe Co., Ltd.)

Standard Stock List

OD
(mm)		 WT
(mm)		 SUS304
BA		 SUS316
BA		 SUS316L
BA		 SUS316L
EPS		 SUS316L
BAS		 SUS316L
WEPS
(VIM/VAR)
1.59 *1.0 Φ(ID) 2M
1.59 *0.8 Φ(ID) 2M 2M
2 0.50 2M
3 0.50 2M 2M
3 1.00 2M 4M 2M
3.18 0.50 2M 2M
3.18 0.72 2M 1M 2M 2M 2M
3.18 0.89 2M
4 0.50 2M 2M
4 1.00 2M 4M 2M
4.8 0.50 2M 2M
5 0.50 2M
6 0.50 2M 2M
6 1.00 2M 4M 2M 4M 4M
6 1.50 4M
6.35 0.50 2M
6.35 0.89 2M 4M 2M
6.35 1.00 2M 4M 2M 4M 2M 4M 4M 2M 4M 2M 4M
6.35 1.24 4M
6.35 1.65
6.35 *2.1 Φ (ID) 2M
8 1.00 2M 4M 2M 4M 4M
9.53 1.00 2M 4M 2M 4M 2M 4M 4M 2M 4M 2M 4M
9.53 1.24 4M 4M
9.53 1.65 4M 4M
10 1.00 2M 4M 2M 4M 4M
12 1.00 2M 4M 2M 4M 4M
12.7 1.00 2M 4M 2M 4M 2M 4M 4M 2M 4M
12.7 1.24 2M 4M 2M 4M 2M 4M 4M 4M 4M
12.7 1.65 4M
15.88 1.00 4M
15.88 1.24 4M
15.88 1.50 4M 4M
19.05 1.24 4M 4M 2M 4M 4M 4M
19.05 1.65 4M 2M 4M 4M
25.4 1.65 2M 4M 4M
17.3 1.20 4M
21.7 1.65 4M 4M
27.2 1.65 4M 4M
34 1.65 4M 4M
42.7 1.65 4M 4M
48.6 1.65 4M 4M
60.5 1.65 4M 4M

Coil Tube

OD
(mm)		 WT
(mm)		 SUS304
BA		 SUS316
BA		 SUS316L
BA
1.59 *0.8 Φ (ID) 30M
2.00 0.50 30M
3.00 0.50 30M 30M
3.18 1.00 30M 30M
3.18 0.50 30M 30M 30M
4.00 0.72 30M
4.00 0.50 30M 30M
6.00 1.00 30M 50M 30M
6.35 1.00 30M 50M 30M
8.00 1.00 30M 50M 30M
9.53 1.00 30M 30M
10.00 1.00 30M 50M 30M
12.00 1.00 30M 30M

* inside diameter

We are also handling:

  • Plate (up to 150mm thickness)
  • Round Bar (up to 530mm diameter)
  • Square Bar (up to 100mm x 100mm)
  • Square Pipe (up to 400mm x 400mm)
  • Rectangular Pipe (up to 500mm x 300mm)
  • Flat Bar (up to 100mm x 150mm)
  • Fitting & Valve

*Available "Milling" in our facility.
*Available to cut above materials in our facility.
(except Fitting & Valve)

6. Other information

Technical services We will visit you with the manufacturer's engineers for an explanation.
Cutting equipment Band saw, metal saw
Major centers
Business Locations		 Mishima Steel Service Center, Osaka Distribution Center