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Serbia Stainless Steel Series

Pipe、 elbows、 tees、reducers、 caps、 flanges

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SerbiaSTAINLESS STEEL SERIES

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Product Description

SMLS steel pipe, seamless steel pipe

Types of seamless steel tubes from our factory

Types of	Uses
Structure purposes	General and mechanical structure
Liquid services	Transportation of oil, gas and other fluids
Low and medium pressure	Manufacture of steam and steam boilers
Hydraulic pillars service	Hydraulic support
Automatic semi-shaft housing	Auto sem-shaft casing (in English)
Tubertuber	Oil and gas transportation
Tubes and housing	Oil and gas transportation
Drilling tubes	Well drilling
Geological drilling pipes	Geological drilling
Petroleum tubes	Furnace tubes, heat exchangers

Standards and applications

Standards	Degree	Class:
API	API 5L	Piping for pipeline transport systems
	API 5CT	Pipeline and housing for Wells
	API 5DP	Drilling tube for well drilling
ASTM	ASTM A53	Used as structural steel or for low pressure pipes
	ASTM A106	Seamless carbon steel tube for high temperature service
	ASTM A335	For high temperature service
	ASTM A213	For Calder, supercalenty seamless austenitic ferriy heat exchange tubes
	ASTM A179	For heat exchanger tubes and low cold steel condensation without welding
	ASTM A192	For seamless carbon steel boiler pipes for high pressure service
	ASTM A210	For seamless carbon steel superheated boiler pipes
	ASTM A333	For seamless steel tubing for low temperature service and other applications with required notch resistance
	ASTM A519	For seamless mechanical tubes of carbon and alloy steel
	ASTM A252	For batteries of seamless and welded steel tubes
DIN	DIN 17175	For heat resistant seamless steel pipes
	DIN 1629	For seamless circular tubes of non-alloy steels with special quality requirements
	DIN 2391	For precision seamless steel tubes for cold sausages or cold rolled products
JIS	JIS G3454	Seamless carbon steel pipeline for pressure service
	JIS G3456	Seamless carbon steel tube for high temperature service
	JIS G3461	Seamless carbon steel pipe for boiler and heat exchange
EN	EN 10210	For welded, welded structural hollow sections of non-alloy steel.
EN	EN 10216	Seamless steel tubes for pressure applications
BS	BS 3059	For carbon tubes, alloys and austenitic stainless steel with high temperature properties specified

Dimension tolerances of seamless steel pipe

Types of tubes	Szie tube (mm)		Tolerances
Lamlamin	OD	<50	±0.50mm
	OD	≥50	±1%
	WT	<4	±12.5%
		≥4～20	+15%, -12.5%
		>20	±12.5%
Cold cold	OD	6～10	±0.20mm
		10～30	±0.40mm
		30～50	±0.45
		>50	±1%
	WT	<1	±0.15mm
		>1～3	+ 15%, – 10%
		>3	+ 12.5%, – 10%

Tube for construction

Sizes: outside diameter: 1-1/4 "-16", wall thickness: 0.109 "-0.562"

Standard: astm a53, astm a106, astm a500/501-98, astm a519-98, jis g3441-1994, jis g3444-1994, bs en 10210-1

Application: used in general structure and mechanism, including construction, machinery, transport

Tube of the boiler

Sizes: outer diameter: 6.0mm-114.0mm, wall thickness: 1.0mm-15.0mm

Standard: gb3087-1999, astm a179, astm a106, jis g3454

Application: used for the manufacture of overheated pipes, steam pipe, boiling water pipe, draught pipe, small draught pipe, etc.

Seamless steel tubes for liquids

Sizes: outer diameter: 19.05-168.3mm, wall thickness: 2.31-14.27mm

Standard: gb/t8163-1999, astm a53-98, jis g3452-1998, jis g3454-1998, astm a106, din 1629-1984

Application: for transportation of oil, gas and other fluids

Pipes of pipes

Dimensions: external diameter: 73-630mm, wall thickness: 6-35mm

Standard :API 5l

Application: gas, water, transportation in petroleum and natural gas industries

Drilling tubes

Sizes: outer diameter: 2-7/8 "-6-5/8", wall thickness: up to 0.813"

Standard :API 5d

Application: for well drilling

Petroleum cracking tubes

Sizes: outside diameter: 1.315 "- 20", wall thickness: 0.133 "-0.500"

Standard: gb9948-1988

Application: for the manufacture of furnace tubes, heat exchangers and pipes in refineries

Chemical composition and mechanical properties

Standard

Degree

Chemical components (%)

Mechanical properties

Tensile strength (mpa)

Elongation (%)

ASTM A53

≤0.25

≤0.95

≤0.05

≤0.06

≤0.15

≤0.40

≤0.08

≥330

≥205

≥29.5

≤0.30

≤1.2

≤0.05

≤0.06

≤0.15

≤0.40

≤0.08

≥415

≥240

≥29.5

Standard

Degree

Chemical components (%)

Mechanical properties

Tensile strength (mpa)

Elongation (%)

ASTM A106

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.15

≤0.40

≤0.08

≥415

≥240

≥30

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.15

≤0.40

≤0.08

≥485

≥275

≥30

Standard	Degree	Chemical components (%)					Mechanical properties
Standard	Degree	c	Si	Mn	P	S	Tensile strength (mpa)	Tensile strength (mpa)	Elongation (%)
ASTM A179	A179	0.06-0.18	/	0.27-0.63	≤0.035	≤0.035	≥325	≥180	≥35

Standard	Degree	Chemical components (%)					Mechanical properties
Standard	Degree	c	Si	Mn	P	S	Tensile strength (mpa)	Tensile strength (mpa)	Elongation (%)
ASTM A192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180	≥35

Standard	Degree	Chemical components				Tensile strength (min)	Limit of them (me)
Standard	Degree	C	Mn	P	S	Mpa	Mpa
API 5L PSL1	A	0.22	0.90	0.030	0.030	331	207
	B	0.28	1.20	0.030	0.030	414	241
	X42	0.28	1.30	0.030	0.030	414	290
	X46	0.28	1.40	0.030	0.030	434	317
	X52	0.28	1.40	0.030	0.030	455	359
	X56	0.28	1.40	0.030	0.030	490	386
	X60	0.28	1.40	0.030	0.030	517	414
	X65	0.28	1.40	0.030	0.030	531	448
	X70	0.28	1.40	0.030	0.030	565	483

Standard	Degree	Chemical components				Tensile strength (min)	Limit of them (me)
Standard	Degree	C	Mn	P	S	Mpa	Mpa
API 5L PSL2	B	0.24	1.20	0.025	0.015	414	241
	X42	0.24	1.30	0.025	0.015	414	290
	X46	0.24	1.40	0.025	0.015	434	317
	X52	0.24	1.40	0.025	0.015	455	359
	X56	0.24	1.40	0.025	0.015	490	386
	X60	0.24	1.40	0.025	0.015	517	414
	X65	0.24	1.40	0.025	0.015	531	448
	X70	0.24	1.40	0.025	0.015	565	483
	X80	0.24	1.40	0.025	0.015	621	552

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CANGZHOU BOTO TUBULAR CO.,LTD

Office: +86-18333042888

Factory: +86-18333042888

E-mail: ceo@bototubular.com

Website: www.bototubular.com

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