Alloy 20 Pipe, Carpenter 20 Seamless Pipe Material Specification

Alloy 20 Pipe Highlights
Availabel Brand	Nippon Steel, Sanyo Special Steel, Special Metal
Ex.Stock	Seamless Pipe: 4 to 219 mm Welded Pipe: 5.0 - 1219.2 mm
Custom Size	Available
Available Forms	Square, Hexagon, Rectangular, Round
MTC	EN 10204 3.1 and 3.2
Poisson's Ratio	0.31
Fillers	Inconel filler metal 625 Inconel filler metal 622
Electrical Resistivity	1.08 x 10-6 Ω⋅m
Welding Electrodes	Inconel 112 Inconel 122
Origin	European, American, Japanese, Korean
Delivery Time	Kuwait : 10 Days Saudi Arabia: 7 Days
Want free sample? Click Here

SABIC Approved Carpenter 20 Seamless Pipe Supplier in India As Per International Standards

What are Alloy 20 Stainless Steel Pipe Standards?

Specifications:	ASTM B729/B464, ASME SB729/SB464
UNS:	N08020
International Specifications:	SUS, ASTM, AISI, JIS, GB, EN, DIN

Alloy 20 Seamless Pipe

Incoloy® Alloy 20 Welded Pipe

Carpenter 20 ERW Pipe

Table of content

Alloy 20 Pipe Specification
Size Chart of Carpenter 20 Pipe
DIN 2.4660 Round Pipe Schedule
What is Alloy 20 vs SS316?
What is the Price of Alloy 20 Tube?
Size Range of Alloy 20 Seamless Pipes
Can You Weld Carpenter 20 Pipe to Carbon Steel?
What is the Use of Alloy 20 Seamless Pipe?
Temperature Range of 20cb-3 Annealed Pipes
Pressure Rating Carpenter 20 Seamless Pipe
Are there any concerns regarding the recycling of Alloy 20 pipes?

WNR 2.4660 Annealed Pipe Testing
Most Common Types Of Alloy 20 Pipe
Dimensional Tolerances of Tube Alloy 20
Alloy 20 Seamless Pipe Wall Thickness
Thermal Conductivity of 20Cb-3 Clad Pipe
CN7M Rectangular Pipe Corrosion Resistance
20CB-3 Seamless Tube Equivalent
WNR 2.4660 Square Pipe Chemical Properties
UNS N08020 Welded Pipes Mechanical Properties
Physical Properties of Alloy 20 Welded Pipe
Why is Alloy 20 preferred in piping systems exposed to sulfuric acid environments?

Alloy 20 Pipe Specification

Alloy 20 Seamless Pipe Size

Thickness: 0.5 - 20 mm
OD: 4 - 219 mm
Length: Custom

Incoloy® Alloy 20 Welded Pipe Size

Thickness: 0.020" - 0.250"
OD: 1/2”- 24”
Length: Custom

Carpenter 20 Thick Walled Pipe Sizes

Thickness: 0.5 - 20 mm
OD: 4 - 219 mm
Length: Custom

CN7M Rectangular Pipe Services

Welding
Beveling
Threading

Alloy 20 Bright Annealed Pipe Testing

Ultrasonic
Chemical
PMI
Mechanical

NiCr20CuMo Square Pipe Processing

Welded
ERW
Seamless

WNR 2.4660 Hot Finished Pipe Standards

ASTM B729 | ASME SB729
Other: ASTM B464, ASME SB464
WNR: 2.4660
UNS: N08020

DIN 2.4660 Round Pipe Trade Name

Carpenter 20
20CB-3
Incoloy Alloy 20

Nickel Alloy 20 Cold Drawn Pipe Marking

Nominal Size
Material grade
Heat number
Specification

20Cb-3 Clad Pipe Properties

Temp.: 1760 ºF
Melting Point: 1443°C
Density: 8.1 g/cm3

Incoloy® 20 Exhaust Pipe Finish

Polished
Mill
Annealing
Bright

ASTM B729 UNS N08020 Annealed Pipe Technique

Hot Formed
Cold Formed
Precision Rolled

Incoloy® Alloy 20 Welded Pipe Forms

Round
Rectangular
Exhaust
Clad
Hexagon
Square

Carpenter 20 ERW Pipe Packaging

Bundle
Bubble wraps
Custom
Wooden Pallets
Shear Box

Alloy 20 Seamless Pipe Equipment

Press machine
Sand-blasting machine
Bending machine
Electric bevelling machine

Cut to Size ASTM B729 UNS N08020 Welded and ERW Pipe Stockist in Mumbai With Different Schedule

Size Chart of Carpenter 20 Pipe

Size	O.D (mm)	Gauge 22 (0.71) (0.028")	Gauge 20 (0.91) (0.0.35")	Gauge 18 (1.21) (0.049")	Gauge 16 (1.65) (0.065")	Gauge 14 (2.1) (0.083")	Gauge 12 (2.64) (0.104")	Gauge 10 (3.25) (0.128")
5/16"	7.93	0.038	0.048	0.060	0.079	0.089	0.105	0.114
1/2"	12.7	0.063	0.079	0.105	0.134	0.157	0.200	0.226
3/8"	9.52	0.046	0.058	0.080	0.097	0.113	0.135	0.152
5/8"	15.87	0.081	0.103	0.134	0.174	0.212	0.264	0.310
7/8″	22.25	0.113	0.145	0.192	0.252	0.310	0.390	0.465
3/4"	19.05	0.097	0.124	0.161	0.215	0.256	0.326	0.386
1″	25.4	0.131	0.167	0.218	0.294	0.351	0.450	0.541
1 1/2″	38.1	0.196	0.250	0.332	0.452	0.542	0.700	0.851
1/4"	6.35	0.030	0.037	0.046	0.058	0.065	0.070	0.075
1 1/4″	31.750	0.162	0.200	0.275	0.375	0.448	0.580	0.696
1 3/4″	44.45	0.230	0.294	0.390	0.530	0.646	0.832	1.020
2 1/4″	57.15	-	-	0.504	0.687	0.828	1.085	1.315
2″	50.8	0.263	0.336	0.447	0.607	0.733	0.960	1.161
2 1/2″	63.5	-	-	0.562	0.792	0.924	1.210	1.472
3″	76.2	-	-	0.676	0.924	1.115	1.460	1.782
2 3/4″	69.85	-	-	0.619	0.847	1.022	1.338	1.630
5″	127.0	-	-	1.134	1.554	1.879	2.477	3.023
3 1/2″	88.9	-	-	0.791	1.082	1.306	1.718	2.092
4″	101.6	-	-	0.905	1.239	1.497	1.971	2.403
4 1/2″	114.3	-	-	1.020	1.397	1.608	2.224	2.713
6″	152.4	-	-	1.364	1.875	2.261	2.983	3.654
5 1/2″	139.7	-	-	1.250	1.713	2.070	2.730	3.336

DIN 2.4660 Round Pipe Schedule

NB Sizes	Sch 160	Sch 80	Sch 40	Sch 10	Sch 5
6″		✔️	✔️	✔️	✔️
5″		✔️	✔️	✔️	✔️
4″	✔️	✔️	✔️	✔️	✔️
3″	✔️	✔️	✔️	✔️	✔️
2 1/2″	✔️	✔️	✔️	✔️	✔️
2″	✔️	✔️	✔️	✔️	✔️
1 1/2″	✔️	✔️	✔️	✔️	✔️
1 1/4″	✔️	✔️	✔️	✔️	✔️
1″	✔️	✔️	✔️	✔️	✔️
3/4″	✔️	✔️	✔️	✔️	✔️
1/2″	✔️	✔️	✔️	✔️	✔️
3/8″		✔️	✔️	✔️	✔️
1/4″		✔️	✔️	✔️	✔️
1/8″		✔️	✔️	✔️	✔️

What is Alloy 20 vs SS316?

Alloy 20	SS 316
Chemical Composition: Made up of Cr, Ni, Mo, Cu, and Fe	Chemical Composition: Made up of Cr, Ni, and Mo
Tensile/Yield Strength: Higher	Tensile/Yield Strength: Comparatively Lower
Corrosion Resistance: High	Corrosion Resistance: Comparatively Low
Cost: More Expensive	Cost: Less Expensive
Used in Petrochemical and Refining Applications	Used in Marine and Pharmaceutical Applications

Bulk Order 20Cb-3 Square and Rectangular Pipe Material and Get 2% to 5% Discounted Price

What is the Price of Alloy 20 Tube?

For Most Recent Alloy 20 Pipe Price Click Here

Size	Price in USD
20 in. SCH 80	US $590 - 990/ Metric Ton
20*20 Carpenter 20 Pipe	US $440 - 870/ Ton
6 in. S/40s X 1-10 in. Cut	US $46.64/ kg

Size Range of Alloy 20 Seamless Pipes

Description	Manufacture Method	Schedule	Pipe Size	Specification
4 SCH 80	SEAMLESS & DRAWN	80	4	ASTM B729 ASME SB729
1 SCH 80	-	80	1	-
1/2 SCH 40	-	40	0.5	-
2 SCH 80	-	80	2	-
1 SCH 40	-	40	1	-
3 SCH 80	-	80	3	-

Can You Weld Carpenter 20 Pipe to Carbon Steel?

Yes, you can weld Carpenter 20 Pipe to Carbon Steel.

Offer Incoloy® 20 Exhaust and Clad Pipe Most Ideal For Heat Exchangers and Storage Tanks

What is the Use of Alloy 20 Seamless Pipe?

Temperature Range of 20cb-3 Annealed Pipes

Condition	Temperature
Annealing	1725°F and 1850°F
Hot working	950 °C (1740 °F)

Pressure Rating Carpenter 20 Seamless Pipe

OD (In.)	Wall Thickness (Inches)
OD (In.)	.065	.035	.028	.049	.095	.083	.120	.109
	Working Pressure
1/4	9500	4800	3700	7000
1/8		10100	7900
3/8	6100	3100		4400
5/16	7300	3700		5400
3/4	3000			2200	4600	4000
1/2	4400	2300		3200
1	2200				3400	2900	4300	3900

Are there any concerns regarding the recycling of Alloy 20 pipes?

Material Composition and Contamination
Separation and Sorting Challenges
Environmental Concerns
Loss of Material Properties
Economic Considerations

Ex.Stock of Cold and Hot Finished WNR 2.4660 Annealed Pipe Tested With PMI and Ultrasonic Testing

WNR 2.4660 Annealed Pipe Testing

100% Radiography Test
Manufacturer Test
Third Party Inspection
Raw Materials Test
Heat Treatment
Moisture testing
DFARS compliant
Surface roughness Test
Laboratory Test from Govt. Approved Lab
Fumigation Test

Most Common Types Of Alloy 20 Pipe

ASTM B729 UNS N08020 Annealed Pipe

20Cb-3 Clad Pipe

Incoloy® 20 Exhaust Pipe

Nickel Alloy 20 Cold Drawn Pipe

WNR 2.4660 Hot Finished Pipe

DIN 2.4660 Round Pipe

NiCr20CuMo Square Pipe

CN7M Rectangular Pipe

Alloy 20 Bright Annealed Pipe

Dimensional Tolerances of Tube Alloy 20

OD	OD Tolerance	Wall Tolerance
.250"	± .005"	± 15%
.375"	± .005"	± 15%
.500"	± .005"	± 15%

Alloy 20 Seamless Pipe Wall Thickness

OD (mm)	WT (mm)
10 x 20 to 100 x 200	0.5-30
12.7 x 12.7 to 300 x 300	0.5-30
6 to 630	0.5-30
16 to 85	0.5-3.0
12.7 to 250	0.5-30
6 - 630	0.5-30
13 to 85	0.5-2.0
22 x 0.7 to 108 x 2.0	0.5-2.0
20 to 200	0.5-2.0
12.5 to 203.2	1.0 - 5
6 to 430	0.8 - 30
0.28 to 10	0.08 - 1.2

Thermal Conductivity of 20Cb-3 Clad Pipe

Property	49.4°C	100°C	200°C	300°C	400°C
Thermal Conductivity /kcal/(hr.m.°C)	125.9	135.1	153.3	169.6	187.5

CN7M Rectangular Pipe Corrosion Resistance

Temperature		H2SO4, %	Corrosion Rate
°F	°C	%	mm/a	mpy
Boiling		20	0.432	17
140	60	70	0.076	3
140	60	20	0.000	0
122	50	70	0.051	2
140	60	90	0.102	4
185	85	20	0.457	18
167	75	70	0.127	5
185	85	70	0.178	7
203	95	90	0.686	27
185	85	90	0.381	15

20CB-3 Seamless Tube Equivalent

STANDARD	AFNOR	UNS	EN	WERKSTOFF NR.
Alloy 20	Z2NCUD31-20AZ	N08020	NiCr20CuMo	2.4660

WNR 2.4660 Square Pipe Chemical Properties

Nickel

32-38%

Molybdenum

2-3%

Copper

3-4%

Chromium

19-21%

Manganese

Silicon

UNS N08020 Welded Pipes Mechanical Properties

Tensile Strength min		Yield Strength (0.2% offset) min		Elongation in 2" or 4D	Reduction in Area
KSI min	MPa min	KSI min	MPa min	% min	%
80	551	35	241	30	50

Physical Properties of Alloy 20 Welded Pipe

Density	Specific Heat	Electrical Resistivity	Thermal Conductivity
g/cm3	J/kg.°C	µΩ·m	W/m.°C
8.08	500	1.08	12.3

Why is Alloy 20 preferred in piping systems exposed to sulfuric acid environments?

Corrosion Resistance to Sulfuric Acid
Resistance to both Oxidizing
Prevention of Stress Corrosion Cracking
High Strength and Toughness
Ease of Fabrication and Welding
Cost-Effectiveness

Alloy 20 Pipe Shipping Time As Per Location

Cost Changes 5 % extra
Export to	Delivery Time
UAE	5 days
Saudi Arabia	7
Kuwait	10
Qatar	7
USA	40-60
Singapore	8
Oman	5
Bahrain	9
Italy	30
South Africa	25-30
France	30
Malaysia	10
Uk	30
Philippines	14
Indonesia	9

FAQ

What are common trade names of alloy 20 pipe ?

Carpenter® 20
INCOLOY® alloy 20
20CB-3®

What is size range of carpenter 20 seamless and welded pipe ?

Seamless Pipe 1/2" to 8"
Welded Pipe 1/2" to 12"

What is working temprature of alloy 20 tubing ?

1688 ºF to 1760 ºF

What is wall thickness of alloy 20 stainless steel pipe ?

Schedule 40 to Schedule 80

What is the corrosion rate of WNR 2.4660 square pipe ?

<0.13 mm a−1

Why Should You Buy From Regent Steel ?

Distributor of Renowned Mills of Nickel Alloys in Europe and USA
Experience of 2 Decades as a Supplier of High Temperature Alloys in Dubai ( UAE), Saudi Arabia and Africa.
Largest Stockist of Nickel Alloy Flat Products in Mumbai
Ready Stock of Sheets, Coils, Strips and Bars in Over 50 Sizes at Al Jubail, Abu Dhabi, Muscat and South Africa
Facility of Cut to Size at No Extra Cost.
Weekly Delivery to Nigeria, Qatar, Dammam, Sharjah and Singapore
NACE Certified Material at Dealer Price.
Resale Price for Traders, Wholesalers, Importers and Stockholders in Mena Countries
Data Sheets and MTC Along With Quote.
Free Sample, Latest Price List on Request
Renowned Supplier in Heat Exchangers, Instrumentation, and Oil and Gas Industry
Compare Weight Chart and Price Per Kg in China and India.