Carbon Boiler Heavy Wall Steel Tube , DIN 17175 ST35.8 Cold Drawin 60.3*8mm-China Changzhou Joyruns Steel Tube CO.,LTD

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Carbon Boiler Heavy Wall Steel Tube , DIN 17175 ST35.8 Cold Drawin 60.3*8mm

Product Details:

Place of Origin:	CHANGZHOU, CHINA
Brand Name:	Joyruns
Certification:	ISO9000
Model Number:	6mm --137mm

Payment & Shipping Terms:

Minimum Order Quantity:	5 tons per size
Price:	Negotiable
Packaging Details:	Plastic packing, oiling, wooden box
Delivery Time:	30DAYS
Payment Terms:	TT OR LC
Supply Ability:	5000T PER MONTH

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Product Description：

Detail Information
OD. Range:	6mm – 137mm	Wall Thickness:	1mm-36mm
Length:	Max Length 12M	Technique:	Cold Drawing, Cold Rolled
Type:	Seamless Boiler Tube	Standard:	DIN17175 ST35.8
High Light:	60.3*8mm Heavy Wall Steel Tube , DIN17175 Heavy Wall Steel Tube , DIN 17175 ST35.8

DIN17175 ST35.8 Cold drawing seamless heavy wall carbon boiler tube

DIN 17175 Seamless steel boiler tubes are specially used as heating surface tubes in low and medium pressure boilers tubes(The working pressure is not more than 5.88 Mpa and the significant temperature is below 450 degrees celsius).

Specifications:

DIN 17175 ST35.8 High-pressure boiler tubes Chemical Analysis

Standard	Grade	Chemical Components (%)
Standard	Grade	C	Si	Mn	P	S	Mo	Cr
DIN17175	St 35.8	≤0.17	0.10-0.35	0.40-0.80	≤0.040	≤0.040	/	/
	St 45.8	≤0.17	0.10-0.35	0.40-0.80	≤0.040	≤0.040	/	/
	15Mo3	0.12-0.20	0.10-0.35	0.40-0.80	≤0.035	≤0.035	0.25-0.35	/
	13CrMo44	0.10-0.18	0.10-0.35	0.40-0.70	≤0.035	≤0.035	0.45-0.65	0.70-1.10
	10CrMo910	0.08-0.15	≤0.50	0.40-0.70	≤0.035	≤0.035	0.90-1.20	2.0-2.50

Mechanical Analysis of Low Carbon Steel DIN 17175 ST35.8 Tubes

Standard	Grade	Mechanical properties
Standard	Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
DIN17175	St 35.8	360-480	≥235	≥25
	St 45.8	410-530	≥255	≥21
	15Mo3	450-600	≥270	≥22
	13CrMo44	440-580	≥290	≥22
	10CrMo910	450-600	≥280	≥20

Technical delivery conditions

The tubes shall be supplied suitably heat treated over their entire length. The following heat treatment shall be used, depending on the type of steel:

Normalizing

Subcritical annealing

Hardening and tempering with the isothermal transformation

Hardening and tempering with continuous cooling from the hardening temperature and subsequent tempering.

Carbon Boiler Heavy Wall Steel Tube , DIN 17175 ST35.8 Cold Drawin 60.3*8mm 0