Pipe & Tube Reference Guide

Pipe & Tube Reference Guide
Common Specifications

A-53 Seamless, Welded
Chemical & Mechanical
C (Max) Mn (Max) YS (Min) TS (Min)

A-178 / A-214
30,000 35,000 48,000 60,000

Electric Welded Boiler and Heat Exchanger Tube

Scope: This specification is for minimum-wall-thickness welded tubes made of carbon steel intended for boiler tubes, boiler flues, super heater flues, and heat exchangerand condenser tubes. Testing: Crush Test – When requested, flattening, flange test, hydrostatic, Brinell or Rockwell harness. Sizes: ½" through 5"
Carbon Max. Manganese Phosphorus Sulfur

Grade A Grade B

.25 .30

.95 1.20

Size Range: 1/8" through 24" O.D. Hydrostatic Tested: Yes O.D. Tolerance: 2" and larger +/- 1% of diameter Wall Tolerance: Minimum .875 times Nominal

0.180.27-0.63

0.050

0.060

Tubing is heat treated after welding and free from scale. Harness 72 HRB.

A-106 Seamless Carbon Steel Pipe for High Temperature Service
Chemical & Mechanical
C (Max) Mn S (Min) YS (Min) TS (in) Elong* (Mn)

MIL-T-20157C / MIL-P-24691/1

Tube & Pipe, Carbon Steel, Seamless

Scope: This specification covers seamless carbon steel tube and pipe for various servcessuch as oil, water, steam and gas for use at temperatures not over 775 degrees Fahrenheit (F). Chemical Requirements & Chemical Components1 Type Carbon (max) % Manganese % Phosphorus (max.) % E .30 0.29-1.06 .048
1

Grade A Grade B Grade C

.25 .30 .35

.27/.93 .29/1.06 .29/1.06

.10 .10 .10

30,000 48,000 28 35,000 60,000 22 40,000 70,000 20 *Longitudinal, for Standard 50mm Gauge LengthSulfur (max.) %

Silicon (max.) %

.045

.10

Size Range: 1/8" through 24" O.D. Hydrostatic Tested: Yes O.D. Tolerance 1/8" to 1 ½" Over 1 ½" to 4" Over 4" to 8" Over 8" to 18" Over 18" Mechanical Properties Over .015" Over .031" Over .062" Over .093" Over .125" Under .015" Under .031" Under .031" Under .031" Under .031" Type E 60,000
Elongation in 2 inches (minimum longitudinal)Tensile strength (min.) p.s.i.

The molybdenum and chromium content shall not exceed 0.25 percent each. The copper content shall not exceed 0.35 percent.

Yield point (min.) p.s.i.

Full section tests percent

Type R12

35,000
2

30.0

22.0

Seamless steel tube and pipe shall be of the following types, as specified:

Working pressure (p.s.i.) As specified

Wall Tolerance: Minimum:Must be .875 times Nominal Maximum: Determined by weight (see Spec)

API-5L

Seamless, Welded Line Pipe
Mn (Max) YS (Min) TS (Min)

SA / A213
Scope: This specification covers minimum-wall-thickness seamless ferritic and austenitic steel boiler and superheater tubes and austenitc steel heat exchanger tubes, designated by grades. Chemical Analysis
Grade T-11 T-12
Carbon Manganese PhosphorusMax. Sulfur Max. Silicon Chromium Molybdenum

Chemical & Mechanical Grade B# C (Max) Seamless .27 Welded .26

1.15 1.1

36,000 36,000

60,000 60,000 Hydrostatic Tested: Yes

Size Range: 1/8" through 48" O.D. O.D. Tolerance 4 ½" to 18" Over .75% 20" & Over Over 1% Wall Tolerance Seamless & Welded 3" OD Seamless 4" OD & Larger Welded 4" to 18" Welded 20" & Larger
Weld area not limited byover tolerance

.05 min., .15 max. .05 min., .15 max

.30-.60 .30-.61

.025 .025

.025 .025

.50 to 1.00 .50 max

1.00 to 1.50 .80 to 1.25

.44 to .65 .44 to .65

Under .75% Under 1%

Mechancal, min ksi
Tensile Yield Elongation

T-11 T-12 Over 18% Over 15% Over 15% Over 17.5% Under 12.5% Under 12.5% Under 12.5% Under 10%

60 60

30 32

30 30

Testing: Tension testing,flattening, flaring, hardness, hydrostatic or nondestructive electric test. Sizes: 1/8" OD to 5" OD

Walls as required.

A-335

Seamless Alloy High Temperature Pipe

SA / 210
Scope: This specification covers minimum-wall-thickness seamless medium steel boiler tubes, boiler flues, safe ends, arch and stay tubes, and superheater tubes. Chemical Analysis Grade Carbon Max. A-1 .27 Grade C .35...