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Rectangle steel Pipe

Size range: Square tubes
O.D. :20-20 to 500-500mm
W.T.:1-24mm L:max12000mm Rectangle tubes
O.D. :20-30 to 400-600mm W.T.:1-24mm
L:max12000mm ;
Material:Q195-Q345, 10#-45#,195-Q345, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10;
Technique:Cold Rolled, Hot Rolled;
ERW;Surface treatment:Black annealing, bright annealing, None annealing;
Standard:ASTM, DIN, JIS, BS;
Certificate:ISO, CE;
Payment terms:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A;
Delivery times:Delivered within 30 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;
Loading port:Tianjin,or Qingdao, China;
Application: Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure;
Advantages:1. Reasonable price with excellent quality;
2. Abundant stock and prompt delivery;
3. Rich supply and export experience, sincere service

Introduction

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Parameters

Chemical Reuirement

Element

GradeA, B and D

Grade C

Heat Analysis

Product Analysis

Heat Analysis

Product Analysis

Carbon, max

0.26

0.30

0.23

0.27

Manganese,max

1.35

1.40

1.35

1.40

Phosphorus,max

0.035

0.045

0.035

0.045

Sulfur,max

0.035

0.045

0.035

0.045

Copper,min

0.20

0.18

0.20

0.18


Shaped Structural Tubing

 

GradeA

Grade B

Grade C

Grade D

Tensil strengths,min,psi(Mpa)

45 (310)

58(400)

62(425)

58

Yield strength,min,psi(Mpa)

39(270)

46(315)

50(315)

36(250)

Elongation in 2 in.(50mm) min,%

25

23

21

23

Inqury

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