DIN1629 ST37 ST44 ST52 Round Mild Steel Tubing / Mechanical Seamless Steel Tube for Chemical

Delivery Time:25~35days
Certification:ISO9001 14001 BV TUV PED DNV etc

DIN1629 ST37 ST44 ST52 Round Mild Steel Tubing / Mechanical Seamless Steel Tube for Chemical

Quick Detail:

Standard: DIN 1629
Size:(mm)
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

1. Standard: DIN 1629 
2. Steel grade: ST37, ST44, ST52 
3. Delivery condition: Hot-finished 
4. Size range: OD Φ 6MM-Φ 350MM, WT 0.8MM-35MM 
5. Tolerance: According to DIN 1629 
6. Length: Customized according to requirements. 
7. Certificate: EN10204/3.1 

GENERAL INFORMATION: 
Tubes made of un-alloyed steel suitable for the construction of chemical plant, vessels, pipe work and for general mechanical engineering purposes. 

Quality control: 
Our quality control department consists of experienced technicians. These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers. 
 

DELIVERY CONDITION
Steel grade	Delivery condition
ST37.0	Hot-finished
ST44.0	Hot-finished
ST52.0	Hot-finished
CHEMICAL COMPOSITION( CAST ANALYSIS) IN%
Steel grade	C	Si		p	S
max	Mn	max	max
ST37.0	0.17	--	--	0.040	0.040
ST44.0	0.21	--	--	0.040	0.040
ST52.0	0.22	--	--	0.040	0.035
MECHANICAL PROPERTIES
Steel grade	Yield strength Min (Mpa)	Tensile strength Min(Mpa)	Elongation A Min(%)
T min mm
≤16	>16 ≤40
ST37.0	235	225	350-480	25
ST44.0	275	265	420-550	21
ST52.0	355	345	500-650	21
Note: T: thickness; L: longitudinal

The Tolerance of Length:

The Type of Length	The Tolerance mm
≤6m	+100