Basic Info.
Model NO.
Carbon steel pipe/tube
Processing Service
Welding, Punching, Cutting
Invoicing
by Theoretical Weight
Length
1m-12m or Customized
Thickness
0.3-100mm or as Required
Delivery Time
8-14 Days
Surface
Black Painted or Others
Steel Grade
45#, Q235, Q345, Q195, 10#-45#, Q195-Q345
Secondary or Not
Non-Secondary
Certification
API, CE, Bsi, RoHS, SNI, Bis, Saso, Pvoc, Soncap,
Transport Package
Standard Packing
Specification
Standard Or Customized
Trademark
Hanhuang
Origin
Jiangsu
Production Capacity
5000t/Month
Product Description
Hanhuang Steel is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers. We have been engaging industry steel for over 20 years, best service and the most competitive price is one of our greatest advantages that make us today!
Product Name | Cold/Hot Rolled Steel Pipe And Tube |
Wall Thickness | 0.3mm-100mm |
Length | 1m-12m |
Outer diameter | 20mm-650mm |
Tolerance | Wall Thickness:±0.05MM Length:±6mm Outer Diameter:±0.3MM |
Shape | Round, Square, Rectangle, Oval, Deformed |
Material | Q195-Q345, 10# ,20#,45#,195-Q345, Gr.B-Gr.50, S235JR, SS400, SPHC, BS-040A10 ,16mn, 40cr, 42crmo, 27simn, 12cr1mov, 15crmo, Gcr15, 25mn2 |
Technique | Cold rolled, Hot Rolled |
Standard | ASTM, DIN, JIS, BS |
Certificate | ISO, CE, BV |
Delivery times | Delivered within 7-15 days after receipt of deposit |
Package | 1. Packed with 8 bundles tightened with metal belt and plastic wrapped if need 2. According to customer's requirement |
Application | Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure |
Tolerances | ||
Pipe types | Pipe sizes(mm) | Tolerances |
Hot rolled | OD<50 | ±0.50mm |
OD≥50 | ±1% | |
WT<4 | ±12.5% | |
WT 4~20 | +15%, -12.5% | |
WT>20 | ±12.5% | |
Cold drawn | OD 6~10 | ±0.20mm |
OD 10~30 | ±0.40mm | |
OD 30~50 | ±0.45 | |
OD>50 | ±1% | |
WT≤1 | ±0.15mm | |
WT 1~3 | +15%, -10% | |
WT >3 | +12.5%, -10% |
Chemical Composition | |||||
Material | C% | Mn% | S% | P% | Si% |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.050 | <0.045 | <0.30 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 |
Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 |
Mechanical Property | |||||
Material | Yield Point(Mpa) | Tensile Strength(Mpa) | Elongation(%) | ||
Q195 | >195 | 315-430 | 32-33 | ||
Q215 | >215 | 335-450 | 26-31 | ||
Q235 | >235 | 375-500 | 24-26 | ||
Q345 | >345 | 470-630 | 21-22 |
We are proud to work closely with industry and academic partners to continually improve our products and services, as a result, we have patented products designed to save you time and money.
We operate within the scope of ISO 9001:2015 ,ce,accredited management system and the raw materials are procured from suppliers in compliance with ASTM, BS EN and DIN standards.
Our products are rigorously inspected to ensure they are within tolerance of our customer's specifications, we work with accredited laboratories for specialised material testing and chemical analysis.
In addition, we use x-ray fluorescence technology to meet our high inspection standards and to ensure that our customers get the best quality products.