ASTM A649/A649M-99
(Specification)Standard Specification for Forged Steel Rolls Used for Corrugating Paper Machinery
Standard Specification for Forged Steel Rolls Used for Corrugating Paper Machinery
SCOPE
1.1 This specification covers two kinds of rolls used in machinery for producing corrugated paperboard. Rolls are fabricated of forged bodies and trunnions. The trunnions may be bolted or shrink assembled on one or both ends of the body. A seal weld may be made at the body/trunnion interface. Roll shells are made of carbon/manganese, or low alloy steel as hereinafter described, and are heat treated prior to assembly. Pressure rolls are surface hardened. Provision is made in supplementary requirement S1 for the optional surface hardening of corrugating rolls.
1.2 Corrugating and pressure rolls made to this specification shall not exceed 18 in. [455 mm] in inside diameter. The wall thickness of the roll body shall not be less than 1/12 of the inside diameter or 1 in. [25 mm], whichever is greater, but shall not exceed 3 in. [75 mm]. The wall thickness of the corrugating roll is measured at the bottom of the corrugations in the location of the trunnion fit. The maximum operating temperature of the roll is 425°F [225°C] and the maximum allowable working pressure is 250 psi [1.70 MPa]. The minimum design temperature shall be 40°F [4°C]. The maximum stresses on the roll bodies and the trunnions from the combined internal and external loading are limited to 15 000 psi [103.4 MPa] for the trunnions, 18 750 psi [129 MPa] for the Class 2 pressure roll bodies, and 20 000 psi [138 MPa] for Class 1A, 1B, or 5 pressure roll or corrugating roll bodies in Grades 1 or 2.
1.3 Referring to Table 1, material to Classes 1 A, 1 B, or 5 shall be used for the manufacture of corrugating or pressure roll shells, and Class 2 shall be used only for pressure roll shells. Trunnions shall be made from forgings in either Class 3 or Class 4.
1.4 The values stated in either inch-pound units or SI [metric] units are to be regarded separately as standards. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
1.5 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.
1.6 Except as specifically required in this standard, all of the provisions of Specification A788 apply.
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Standards Content (Sample)
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Designation: A 649/A 649M – 99
Standard Specification for
Forged Steel Rolls Used for Corrugating Paper Machinery
This standard is issued under the fixed designation A 649/A 649M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 1B, or 5 in Grade 2 strength level as restricted by Footnote B
in Table 2 or in forgings in either Class 3 or 4.
1.1 This specification covers two kinds of rolls used in
1.4 The values stated in either inch-pound units or SI
machinery for producing corrugated paperboard. Rolls are
[metric] units are to be regarded separately as standards.
fabricated of forged bodies and trunnions. The trunnions may
Within the text and tables, the SI units are shown in brackets.
be bolted or shrink assembled on one or both ends of the body.
The values stated in each system are not exact equivalents;
A seal weld may be made at the body/trunnion interface. Roll
therefore, each system must be used independent of the other.
shells are made of carbon/manganese, or low alloy steel as
Combining values from the two systems may result in noncon-
hereinafter described, and are heat treated prior to assembly.
formance with the specification.
Pressure rolls are surface hardened. Provision is made in
1.5 Unless the order specifies the applicable “M” specifica-
Supplementary Requirement S1 for the optional surface hard-
tion designation, the material shall be furnished to the inch-
ening of corrugating rolls.
pound units.
1.2 Corrugating and pressure rolls made to this specification
1.6 Except as specifically required in this standard, all of the
shall not exceed 30 in. [760 mm] in inside diameter. The wall
1 provisions of Specification A 788 apply.
thickness of the roll body shall not be less than ⁄12 of the
inside diameter or 1 in. [25 mm], whichever is greater, but shall
2. Referenced Documents
not exceed 4 in. [100 mm]. The wall thickness of the
2.1 ASTM Standards:
corrugating roll is measured at the bottom of the corrugations
A 275/A 275M Test Method for Magnetic Particle Exami-
in the location of the trunnion fit. The maximum operating
nation of Steel Forgings
temperature of the roll is 600°F [315°C] and the maximum
A 370 Test Methods and Definitions for Mechanical Testing
allowable working pressure is 250 psi [1.7 MPa]. The mini-
of Steel Products
mum design temperature shall be 40°F [4°C] for roll wall
A 788 Specification for Steel Forgings, General Require-
thicknesses up to 3 in. [75 mm]. For roll wall thicknesses over
ments
3 in. [75 mm] to 4 in. [100 mm], the minimum design
E 165 Practice for Liquid Penetrant Examination
temperature shall be 120°F [50°C]. The maximum stresses on
the roll bodies from the combined internal and external loading
3. Ordering Information
are limited to 18 750 psi [129 MPa] for the Class 2 pressure
3.1 Orders for material under this specification shall include
roll bodies, and 20 000 psi [138 MPa] for Class 1A, 1B, or 5
the information required by Specification A 788. The purchaser
pressure or corrugating roll bodies in Grades 1 or 2. For the
should refer to Specification A 788 for other relevant informa-
trunnions, the maximum stresses from the combined internal
tion.
and external loading are limited to 15 000 psi [103.4 MPa] for
3.2 The additional ordering information given in Specifica-
Classes 3 or 4, or 20 000 psi [138 MPa] for Classes 1A, 1B, or
tion A 788 shall be specified as necessary to describe ad-
5 in Grade 2 only. The Grade 1 strength level is not permissible
equately the desired material.
for trunnions.
1.3 Referring to Table 1, material to Classes 1A, 1B, or 5
4. Materials and Manufacture
shall be used for the manufacture of corrugating or pressure
4.1 Forging Process:
roll shells, and Class 2 shall be used only for pressure roll
4.1.1 Roll body forgings may be made as solid forgings and
shells. Trunnions shall be made from forgings in Classes 1A,
subsequently bored.
4.1.2 Trunnions or gudgeons which are to be subsequently
assembled to form the roll shall be made as a solid forging or
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
where practical upset from segments cut from billets or bars.
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.06 on Steel Forgings and Billets.
Current edition approved Sept. 10, 1999. Published November 1999. Originally
published as A 649–71. Last previous edition A 649/A 649M–98a. Annual Book of ASTM Standards, Vol 01.05.
2 4
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Annual Book of ASTM Standards, Vol 01.03.
cation SA-649/SA-649M in Section II of that Code. Annual Book of ASTM Standards, Vol 03.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
A 649/A 649M – 99
TABLE 1 Chemical Requirements
Composition, %
Class 1A Class 1B Class 2 Class 3 Class 4 Class 5
Carbon 0.45–0.60 0.40–0.60 0.55 max 0.35 max 0.35 max 0.50–0.60
Manganese 0.55–1.05 0.60–0.95 0.50–0.90 0.40–0.70 0.60–1.05 0.90–1.50
Phosphorus 0.025 max 0.025 max 0.025 max 0.025 max 0.025 max 0.025 max
Sulfur 0.025 max 0.025 max 0.025 max 0.025 max 0.025 max 0.025 max
A
Silicon 0.15–0.35 0.15–0.35 0.15–0.35 max 0.15–0.35 0.15–0.35 max 0.15–0.35
Nickel . 1.55–2.00 . . . 0.60 max
Chromium 0.80–1.15 0.65–0.95 . 0.80–1.15 . 0.30 max
Molybdenum 0.15–0.50 0.20–0.45 . 0.15–0.25 . 0.15 max
A
When vacuum carbon deoxidation (VCD) is used the silicon content shall be 0.10 % maximum.
TABLE 2 Tensile Requirements
Elongation in 2 in. Reduction of
A
Yield Strength, min Tensile Strength, min
Class Grade or 50 mm, %, min Area, %, min
ksi [MPa] ksi [MPa]
1A, 1B or 5 1 130 [890] 150 [1030] 12.0 30
B
1A, 1B or 5 2 65 [450] 100 [690] 14.0 30
2 . 37.5 [260] 75 [515] 20.0 50.0
3 or 4 . 30 [205] 60 [415] 22.0 55
A
0.2 % offset.
B
For trunnion application, a maximum tensile strength of 125 ksi [860 MPa] applies for Grade 2 of Classes 1A, 1B, or 5.
4.2 Heat Treatment: dance with Test Methods and Definitions A 370. Tension test
4.2.1 Heat Treatment for Mechanical Properties (Require- specimens shall be the standard round ⁄2 -in. [12.5 mm]
ments do not apply to surface treatment): diameter, 2-in. [50 mm] gage length. The yield strength
4.2.1.1 Machining—The forged roll body shall have all prescribed in Table 2 shall be determined by the 0.2 % offset
surfaces rough machined, including boring, prior to heat method.
treatment for mechanical properties.
6.1.1.1 Tests for acceptance shall be made after the heat
4.2.1.2 Roll bodies shall be normalized, liquid quenched, treatment of the forgings, for mechanical properties in accor-
and tempered to produce the required mechanical proper
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