Wuhan Longgang Pressure Pipeline Co., Ltd.Is a large-scale enterprise specializing in manufacturing and selling steel. As a leading foreign trade enterprise in China's steel industry, the company has established a wide range of friendly and long-term business cooperation relationships with many domestic and foreign corporate customers on the principle of equality, mutual benefit, and win-win cooperation, providing strong support for the development of the global steel industry.

Grades |
Stainless Steel J1, J2, J4, 201, 202, 301, 304, 304H, 304L, 309, 309S, 310, 310S, 316, 316L, 316TI, 321, 321H, 347, 409, 410, 410S, 420, 430, 441, 904L |
Thickness |
0.2mm – 5.0mm |
Width |
3.2mm – 1500mm |
Length |
2000mm, 2440mm, 3000mm, 5800mm, 6000mm, AS PER CUSTOMER’S REQUIREMENT |
Type of Material |
STAINLESS STEEL SOFT, DEEP DRAW, EXTRA DEEP DRAW, QUARTER HARD, HALF HARD, FULL HARD. |
Form |
Coil / Strip |
Test Certificate |
Yes. |
Finish |
NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
Make |
JINDAL, BAHRU, POSCO KOREA, POSCO THAINOX, COLUMBUS, ACERINOX, APERAM, TISCO, NISSHIN, NIPPON AND MANY MORE MILLS. |
Chemical Composition of Stainless Steel Coil
Type |
Grade |
Grade |
Chemical Component % |
||||||||||
C |
Cr |
Ni |
Mn |
P |
S |
Mo |
Si |
Cu |
N |
Other |
|||
Austenitic |
201 |
SUS201 |
≤0.15 |
16.00-18.00 |
3.50-5.50 |
5.50-7.50 |
≤0.060 |
≤0.030 |
- |
≤1.00 |
- |
≤0.25 |
- |
202 |
SUS202 |
≤0.15 |
17.00-19.00 |
4.00-6.00 |
7.50-10.00 |
≤0.060 |
≤0.030 |
|
≤1.00 |
- |
≤0.25 |
- |
|
301 |
1.4310 |
≤0.15 |
16.00-18.00 |
6.00-8.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
≤0.10 |
- |
|
304 |
1.4301 |
≤0.07 |
17.00-19.00 |
8.00-10.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
304L |
1.4307 |
≤0.030 |
18.00-20.00 |
8.00-10.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
304H |
1.4948 |
0.04-0.10 |
18.00-20.00 |
8.00-10.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
309 |
1.4828 |
≤0.20 |
22.00-24.00 |
12.00-15.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
309S |
* |
≤0.08 |
22.00-24.00 |
12.00-15.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
310 |
1.4842 |
≤0.25 |
24.00-26.00 |
19.00-22.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.50 |
- |
- |
- |
|
310S |
* |
≤0.08 |
24.00-26.00 |
19.00-22.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.50 |
- |
- |
- |
|
314 |
1.4841 |
≤0.25 |
23.00-26.00 |
19.00-22.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
1.50-3.00 |
- |
- |
- |
|
316 |
1.4401 |
≤0.08 |
16.00-18.50 |
10.00-14.00 |
≤2.00 |
≤0.045 |
≤0.030 |
2.00-3.00 |
≤1.00 |
- |
- |
- |
|
316L |
1.4404 |
≤0.030 |
16.00-18.00 |
10.00-14.00 |
≤2.00 |
≤0.045 |
≤0.030 |
2.00-3.00 |
≤1.00 |
- |
- |
- |
|
316Ti |
1.4571 |
≤0.08 |
16.00-18.00 |
10.00-14.00 |
≤2.00 |
≤0.045 |
≤0.030 |
2.00-3.00 |
≤1.00 |
- |
0.1 |
Ti5(C+N)~0.70 |
|
317 |
* |
≤0.08 |
18.00-20.00 |
11.00-15.00 |
≤2.00 |
≤0.045 |
≤0.030 |
3.00-4.00 |
≤1.00 |
- |
0.1 |
- |
|
317L |
1.4438 |
≤0.03 |
18.00-20.00 |
11.00-15.00 |
≤2.00 |
≤0.045 |
≤0.030 |
3.00-4.00 |
≤1.00 |
- |
0.1 |
- |
|
321 |
1.4541 |
≤0.08 |
17.00-19.00 |
9.00-12.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
Ti5(C+N)~0.70 |
|
321H |
* |
0.04-0.10 |
17.00-19.00 |
9.00-12.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
Ti5(C+N)~0.70 |
|
347 |
1.4550 |
≤0.08 |
17.00-19.00 |
9.00-12.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
Nb≥10*C%-1.10 |
|
347H |
1.494 |
0.04-0.10 |
17.00-19.00 |
9.00-12.00 |
≤2.00 |
≤0.045 |
≤0.030 |
- |
≤1.00 |
- |
- |
Nb≥10*C%-1.10 |
|
Duplex |
2205 |
S32205 |
≤0.03 |
22.0-23.0 |
4.5-6.5 |
≤2.00 |
≤0.030 |
≤0.020 |
3.0-3.5 |
≤1.00 |
- |
0.14-0.20 |
|
2507 |
S32750 |
≤0.03 |
24.0-26.0 |
6.0-8.0 |
≤1.20 |
≤0.035 |
≤0.020 |
3.0-5.0 |
≤0.80 |
0.5 |
0.24-0.32 |
|
|
Ferrite |
409 |
S40900 |
≤0.03 |
10.50-11.70 |
0.5 |
≤1.00 |
≤0.040 |
≤0.020 |
- |
≤1.00 |
- |
≤0.030 |
Ti6(C+N)~0.50 Nb:0.17 |
430 |
1Cr17 |
≤0.12 |
16.00-18.00 |
- |
≤1.0 |
≤0.040 |
≤0.030 |
- |
≤1.0 |
- |
- |
- |
|
444 |
S44400 |
≤0.025 |
17.50-19.50 |
1 |
≤1.00 |
≤0.040 |
≤0.030 |
1.75-2.5 |
≤1.00 |
- |
0.035 |
Ti+Nb:0.2+4(C+N)~0.80 |
|
Martensite |
410 |
1Cr13 |
0.08-0.15 |
11.50-13.50 |
0.75 |
≤1.00 |
≤0.040 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
410S |
* |
≤0.080 |
11.50-13.50 |
0.6 |
≤1.00 |
≤0.040 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
420 |
2Cr13 |
≥0.15 |
12.00-14.00 |
- |
≤1.00 |
≤0.040 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
420J2 |
3Cr13 |
0.26-0.35 |
12.00-14.00 |
- |
≤1.00 |
≤0.040 |
≤0.030 |
- |
≤1.00 |
- |
- |
- |
|
PH |
630 |
17-4PH |
≤0.07 |
15.00-17.50 |
3.00-5.00 |
≤1.00 |
≤0.035 |
≤0.030 |
- |
≤1.00 |
3.00-5.00 |
- |
Nb 0.15-0.45 |
631 |
17-7PH |
≤0.09 |
16.00-18.00 |
6.50-7.50 |
≤1.00 |
≤0.035 |
≤0.030 |
- |
≤1.00 |
≤0.50 |
- |
Al 0.75-1.50 |
|
632 |
15-5PH |
≤0.09 |
14.00-16.00 |
3.50-5.50 |
≤1.00 |
≤0.040 |
≤0.030 |
2.00-3.00 |
≤1.00 |
2.5-4.5 |
- |
Al 0.75-1.50 |
- *