
Z-shaped steel sheet piles are steel retaining elements characterized by the zigzag-shaped cross-section and interlocking edges. The interlocks are positioned on the outer sides of the pile wall, ensuring that the neutral axis of the entire wall remains continuous and undisturbed. This design maximizes the section modulus while minimizing the weight per unit area, making it the most frequently used type of steel sheet pile for deep-water ports, heavy-duty retaining walls, and combined wall systems.
Materials and steel grades for Z-shaped sheet piles
Our Z-shaped steel sheet piles are available in a range of steel grades to meet the requirements of temporary trench shoring, permanent retaining walls, marine structures, and foundation engineering projects. Material selection depends on the required strength, structural design, corrosion environment, and applicable project specifications.
|
Standard |
Available steel grades |
|
European standards (EN 10248-1 / EN 10249-1) |
S240GP, S270GP, S320GP, S355GP, S390GP, S430GP, S460GP |
|
American standards (ASTM) |
ASTM A36, ASTM A572 Grade 50 / 60 / 65, ASTM A690 |
|
Chinese standards (GB/T) |
Q235B, Q295P, Q345P, Q355B, Q390P, Q420P, Q460P |
|
Japanese standards (JIS A 5528 / JIS A 5523) |
SY295, SY390, SYW295, SYW390 |
Key Advantages:
Optimized Strength-to-Weight Ratio: Delivers higher section modulus per kg/m² compared to traditional U-piles.
Continuous Neutral Axis: Interlocks on the outer edges eliminate shear transfer issues at the neutral axis.
Wide Coverage: Widths ranging from 670mm up to 850mm allow for fewer interlocks per meter of wall, reducing installation time and improving water tightness.
Ideal for Combined Walls: Easily integrated with steel pipe piles or H-beams to form high-capacity HZ / Tubular combined wall systems.
Hot rolled Z shaped sheet piles
|
Model / Series |
Width (B, mm) |
Height (H, mm) |
Web Thickness (t, mm) |
Wall Weight (kg/m2) |
Wall Moment of Inertia (Ix, cm⁴/m) |
Wall Elastic Section Modulus (Wx, cm³/m) |
|
AZ 12-700 |
700 |
314 |
8.5 |
97.0 |
18,880 |
1,205 |
|
AZ 13-700 |
700 |
315 |
9.5 |
104.2 |
20,780 |
1,320 |
|
AZ 14-700 |
700 |
316 |
10.0 |
108.6 |
22,250 |
1,410 |
|
AZ 18-700 |
700 |
381 |
9.5 |
118.0 |
34,200 |
1,800 |
|
AZ 26-700 |
700 |
460 |
12.2 |
142.1 |
60,520 |
2,600 |
|
AZ 36-700 |
700 |
499 |
15.0 |
183.0 |
89,820 |
3,600 |
|
AZ 48-700 |
700 |
506 |
18.0 |
228.0 |
122,280 |
4,830 |
Cold formed precision steel sheet piles
|
Elastic Section Modulus |
Width |
Weight |
Height |
Thickness |
Moment of Inertia |
|
|
Single Pile |
Wall |
|||||
|
Wᵧ( cm³/m') |
B(mm) |
kg/m |
kg/m² |
H(mm) |
T(mm) |
Iᵧ(cm⁴/m') |
|
656 |
850 |
42,8 |
50,4 |
340 |
5 |
11.16 |
|
638 |
800 |
48,5 |
62 |
300 |
6 |
9.505 |
|
714 |
850 |
51,3 |
60,6 |
340 |
6 |
12.034 |
|
730 |
725 |
45 |
60,4 |
300 |
6 |
10.727 |
|
846 |
725 |
52 |
71,7 |
271 |
7 |
11.54 |
|
1.245 |
770 |
72,6 |
94 |
344 |
8,5 |
21.43 |
|
1.205 |
850 |
44,3 |
75,3 |
420 |
7 |
24.651 |
|
1.3 |
770 |
76,1 |
99 |
344 |
9 |
22.36 |
|
1.318 |
850 |
73,1 |
86 |
400 |
8 |
26.36 |
|
1.355 |
770 |
79,5 |
103 |
345 |
9,5 |
23.3 |
|
1.73 |
700 |
73,1 |
104,4 |
420 |
8,5 |
36.33 |
|
1.8 |
700 |
76,5 |
109 |
420 |
9 |
37.8 |
|
1.805 |
850 |
85,9 |
101,1 |
480 |
9 |
43.335 |
|
1.944 |
750 |
80,9 |
107,8 |
460 |
9 |
44.718 |
|
1.945 |
700 |
83,3 |
119 |
421 |
10 |
40.95 |
|
2 |
850 |
96 |
112,9 |
470 |
10 |
46.862 |
|
2.43 |
700 |
95,7 |
136,7 |
459 |
11,2 |
55.768 |
|
2.6 |
700 |
102,9 |
147 |
460 |
12,2 |
59.8 |
|
2.76 |
700 |
110 |
157 |
440 |
13,2 |
63.62 |
|
2.8 |
725 |
94,9 |
130,9 |
550 |
10 |
75.965 |
|
3.285 |
700 |
76,7 |
163 |
500 |
12 |
82.929 |
|
3.6 |
700 |
118,6 |
169,4 |
520 |
12,5 |
89.668 |
|
3.71 |
700 |
124,5 |
177,8 |
499 |
12,5 |
92.415 |
|
3.905 |
700 |
133 |
190 |
560 |
13,5 |
97.5 |
|
4.231 |
750 |
141,6 |
188,8 |
550 |
13 |
116.35 |
|
4.6 |
580 |
133 |
229 |
540 |
15 |
110.465 |
|
4.805 |
750 |
172,4 |
229,8 |
520 |
15 |
124.921 |
|
5.02 |
580 |
146,8 |
253 |
580 |
16 |
121.07 |
Application of Z type steel sheet pile:
Typical applications include:
Port, dock, and quay-wall construction
Marine and waterfront retaining structures
Deep excavations and temporary earth support
Riverbank and canal protection
Cofferdams and construction-stage retaining walls
Combined retaining wall systems where specified by the design
The choice between Z-shaped and U-shaped sheet piles should be based on verified section properties, wall configuration, connection behaviour, installation conditions, and total project cost rather than profile shape alone.
Ordering Z-shaped steel sheet piles
For an accurate quotation, please provide the section designation, required length, quantity, material grade, applicable standard, and surface protection requirements. Where a specific structural capacity is required, please also provide the design drawings or required section properties so that the proposed product can be checked against the project specification.