Product introduction
Structural Steel Pipe
Pipe Type: Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe
Application: In Structural Engineering and Construction Industry
Specification: OD: 1/8'' ~ 26'' (10.3 ~ 660mm)
WT: SCH 10 ~ 160, SCH STD, SCH XS, SCH XXS
LENGTH: Fixed Length (5.8/6/11.8/12mtr), SRL, DRL
Standard: ASTM A53/A252/A500/A501, JIS G3444, EN 10210/10219
Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
Specification of Structural Steel Pipe
API 5L/ASTM A106 GR.B, Structural Steel Pipe |
公称通径
DN |
外径OD(mm) |
SCH40(6m/5.8m) |
SCH40(6m/5.8m) |
SCH40(6m/5.8m) |
壁厚WT |
壁厚WT |
壁厚WT |
(mm) |
(mm) |
(mm) |
1/4'' |
13.7 |
2.24 |
3.02 |
/ |
3/8'' |
17.1 |
2.31 |
3.2 |
/ |
1/2'' |
21.3 |
2.77 |
3.73 |
4.78 |
3/4'' |
26.7 |
2.87 |
3.91 |
5.56 |
1'' |
33.4 |
3.38 |
4.55 |
6.35 |
1-1/4'' |
42.2 |
3.56 |
4.85 |
6.35 |
1-1/2'' |
48.3 |
3.68 |
5.08 |
7.14 |
2'' |
60.3 |
3.91 |
5.54 |
8.74 |
2-1/2'' |
73 |
5.16 |
7.01 |
9.53 |
3'' |
88.9 |
5.49 |
7.62 |
11.13 |
3-1/2'' |
101.6 |
5.74 |
8.08 |
/ |
4'' |
114.3 |
6.02 |
8.56 |
13.49 |
5'' |
141.3 |
6.55 |
9.53 |
15.88 |
6'' |
168.3 |
7.11 |
10.97 |
18.26 |
8'' |
219.1 |
8.18 |
12.7 |
23.01 |
10'' |
273 |
9.27 |
15.09 |
28.58 |
12'' |
323.8 |
10.31 |
17.48 |
33.32 |
14'' |
355.6 |
9.53 |
11.13 |
19.05 |
16'' |
406.4 |
9.53 |
12.7 |
21.44 |
18'' |
457 |
9.53 |
14.27 |
23.83 |
20'' |
508 |
9.53 |
15.09 |
26.19 |
24'' |
610 |
9.53 |
17.48 |
30.96 |
Technical data
Structural Steel Pipe Chemical Composition and Mechanical Properties
Standard |
Grade |
Chemical Composition (%) |
Mechanical Properties |
ASTM A53 |
C |
Si |
Mn |
P |
S |
Tensile STrength(Mpa) |
Yield STrength(Mpa) |
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.06 |
≥330 |
≥205 |
B |
≤0.30 |
- |
≤1.2 |
≤0.05 |
≤0.06 |
≥415 |
≥240 |
ASTM A106 |
A |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥415 |
≥240 |
B |
≤0.35 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥485 |
≥275 |
ASTM A179 |
A179 |
0.06-0.18 |
- |
0.27-0.63 |
≤0.035 |
≤0.035 |
≥325 |
≥180 |
ASTM A192 |
A192 |
0.06-0.18 |
≤0.25 |
0.27-0.63 |
≤0.035 |
≤0.035 |
≥325 |
≥180 |
API 5L PSL1 |
A |
0.22 |
- |
0.90 |
0.030 |
0.030 |
≥331 |
≥207 |
B |
0.28 |
- |
1.20 |
0.030 |
0.030 |
≥414 |
≥241 |
X42 |
0.28 |
- |
1.30 |
0.030 |
0.030 |
≥414 |
≥290 |
X46 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥434 |
≥317 |
X52 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥455 |
≥359 |
X56 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥490 |
≥386 |
X60 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥517 |
≥448 |
X65 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥531 |
≥448 |
X70 |
0.28 |
- |
1.40 |
0.030 |
0.030 |
≥565 |
≥483 |
API 5L PSL2 |
B |
0.24 |
- |
1.20 |
0.025 |
0.015 |
≥414 |
≥241 |
X42 |
0.24 |
- |
1.30 |
0.025 |
0.015 |
≥414 |
≥290 |
X46 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥434 |
≥317 |
X52 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥455 |
≥359 |
X56 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥490 |
≥386 |
X60 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥517 |
≥414 |
X65 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥531 |
≥448 |
X70 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥565 |
≥483 |
X80 |
0.24 |
- |
1.40 |
0.025 |
0.015 |
≥621 |
≥552 |
Structural Steel Pipe Chemical Composition and Mechanical Properties
Standard |
Grade |
Chemical Composition |
Mechanical Properties |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
GB/T8163 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
≤0.25 |
≤0.25 |
335-457 |
≥205 |
≥24 |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
≤0.25 |
410-550 |
≥245 |
≥20 |
Q345 |
0.12-0.20 |
0.20-0.55 |
1.20-1.60 |
≤0.045 |
≤0.045 |
- |
- |
- |
490-665 |
≥325 |
≥21 |
Structural Steel Pipe Tolerance
Pipe types |
Pipe Szie(mm) |
Tolerances |
Hot rolled |
OD |
All |
±1% (min ±0.50mm) |
WT |
All |
+15%, -12.5% |
Cold drawn |
OD |
6~10 |
±0.20mm |
10~30 |
±0.40mm |
30~50 |
±0.45mm |
>50 |
±1% |
WT |
≤1 |
±0.15mm |
>1~3 |
+15% -10% |
>3 |
+12.5% -10% |
Structural Steel Pipe End
Plain End |
Wall Thickness less than 0.5 inch, including SCH STD & SCH XS |
Plain End (Square Cut) |
Wall Thickness over 0.5 inch, including SCH XXS |
Beveled End |
Wall Thickness less than 0.5 inch, including SCH STD & SCH XS |
Couplings |
Outside Diameter equal or less than 2'' |
Thread Protection |
Outside Diameter over 4 inch |
Customer group photo
Production process
Qualification certificate