- Overview
- Product Description
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Basic Info.
Product Description
Hot Selling Q235 Square Steel Tube Hollow Section Black Carbon Steel
| Thick wall square & rectangular tube specification table | |||||
| Name of product | Size | Wall thickness | Name of product | Size | Wall thickness |
| Square tubes | 20*20 | 1.3-2.5 | Rectangular tubes | 20*30 | 1.3-2.75 |
| 25*25 | 1.3-2.75 | 20*40 | 1.3-2.75 | ||
| 30*30 | 1.3-2.75 | 25*40 | 1.3-2.75 | ||
| 40*40 | 1.3-3.75 | 30*50 | 1.3-4.75 | ||
| 50*50 | 1.3-5.75 | 30*60 | 1.3-4.75 | ||
| 60*60 | 1.3-5.75 | 40*50 | 1.3-4.75 | ||
| 70*70 | 1.3-5.75 | 40*80 | 1.3-4.75 | ||
| 80*80 | 1.3-5.75 | 50*70 | 1.3-4.75 | ||
| 90*90 | 1.3-5.75 | 50*80 | 1.3-4.75 | ||
| 100*100 | 1.5-12 | 60*90 | 1.3-4.75 | ||
| 120*120 | 2.5-12 | 50*100 | 1.3-5.75 | ||
| 140*140 | 2.75-16 | 50*150 | 1.3-5.75 | ||
| 150*150 | 2.75-16 | 60*160 | 1.3-5.75 | ||
| 160*160 | 3.0-16 | 100*150 | 2.5-16 | ||
| 180*180 | 3.0-16 | 100*200 | 2.5-16 | ||
| 200*200 | 3.0-16 | 100*250 | 2.5-16 | ||
| 250*250 | 4.75-20 | 150*300 | 4.5-16 | ||
| 300*300 | 4.75-20 | 200*300 | 5.5-20 | ||
| 400*400 | 4.75-20 | 200*400 | 5.5-20 | ||
| 500*500 | 4.75-20 | 400*600 | 5.5-20 | ||
Size: 20*20mm-600*600mm, 20*40-400*600mm
Wall thickness: 1.2-20mm
Length: 3-12m
Standards: ASTM A500, EN10219, EN10210, JIS3466, GB/T6728
Materials: Gr.A, Gr.B, Gr.C, S195, S235, S355, STK400/SS400, Q195, Q235, Q345
Certifications: ISO 9001:2008, SGS, BV, CCIC and more
Marking: according to client's requirement or mill standard
Packing:
1. Packed by hexagonal seaworthy bundles packed by steel strips.
2. Small sizes nested into big sizes.
Technical: cold formed or hot rolled
Trade term: FOB, CFR, CIF, EXW, FCA
Payment term: T/T, LC
Delivery lead time: 15-45 days (based on quantity) after receiving advanced payment by T/T or LC.
Main market: Southeast Asia, South Asia, Middle East, Europe, Middle & South America, Africa and Oceania
Who we are?
(1) China top 500 enterprises industry leading brands
(2) 15 years experience in manufacturing and exporting steel products since 2000
(3) For 10 consecutive years of the first production and sales
What we own?
8000 employees
59 ERW steel pipe production lines
36 hot-dip galvanized steel pipe production lines
24 square and rectangular steel pipe production lines
18 SSAW steel pipe production lines
16 steel-plastic complex steel pipe production lines
9 hot-dip galvanized square and rectangular steel pipe production lines
5 seamless steel pipe production lines
3 national accredited laboratory
1 Tianjin government accredited business technology center