Types of Black Steel Pipe
| WT |
0.6-20mm |
| Length |
fixed or random,as customer request. |
| Surface |
Galvanized |
| Material |
Q195,Q215,Q235 |
| Ends |
Plain(can be threaded,punch,shrink,extension... ) |
| MOQ |
5 tons for normal size and material |
| Lead time |
within 7 days from stock with 6m length (stock pipe with our factory name
in Chinese),20-25 days for customized pipe according to the qty |
| Trade terms |
FOB,C&F,CIF,EXW |
| Payment terms |
TT deposit +BL copy / LC or 100% LC at sight |
| Grade |
Chemical Composition % |
Mechanical Property |
| C |
Mn |
S |
P |
Si |
Yield Strength Mpa |
Tensile Strength Mpa |
Elongation % |
| Q195 |
0.06-0.12 |
0.25-0.50 |
≤0.045 |
≤0.05 |
≤0.30 |
>195 |
315-430 |
≥33 |
| Q215 |
0.09-0.15 |
0.25-0.55 |
≤0.050 |
≤0.045 |
≤0.30 |
>215 |
335-450 |
≥27 |
| Q235 |
0.12-0.20 |
0.30-0.67 |
≤0.045 |
≤0.04 |
≤0.30 |
>235 |
375-500 |
≥26 |
| Q345 |
≤0.20 |
1.0-1.6 |
≤0.040 |
≤0.04 |
≤0.55 |
>345 |
470-630 |
≥22 |
Product Standard Test
 |
| Q195≈ |
Grade B,SS330 SPHC,S185 |
| Q215 ≈ |
Grade C/CS Type B,SS330 SPHC |
| Q235 ≈ |
Grade D,SS400,S235 |
| Q345 ≈ |
Grade 50/345,SPFC590,E/S335 |
|
Product Application
Application:
mechanical manufacture, construction field, metallurgy industry, farm vehicles, agriculture
greenhouse, automotive industry, railway, highway guardrail, container frame, furniture,
decoration, steel structure etc.
All items of our products and related tests as follow :
1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.
Packaging & Shipping
Packing: In bundle.
Loading port: Tianjin,China.
Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP(some sizes with 6m L can be into 20'GP).
Quality Inspection
Our company have all kinds of professional quality in product test technology to ensure
our product high quality.
Packaging & Shipping
Quality Inspection
Audited Supplier 
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