ASTM A1020 Steel Sheet | A1020/A1020M Steel Supplier

If you are searching for ASTM A1020 steel sheet, first confirm the material form specified in the project documents. ASTM A1020/A1020M is associated with carbon and carbon-manganese fusion-welded steel tubes used for boiler, superheater, heat exchanger and condenser service—not a general-purpose sheet or plate specification.

The A1020/A1020M specification includes Grade A low-carbon steel, Grade C medium-carbon steel and Grade D carbon-manganese steel. For procurement, confirm the grade, tube dimensions, wall thickness, quantity, testing and documentation requirements. For Lakshya’s broader carbon-steel range, see Carbon Steel Products.

What Is ASTM A1020/A1020M Steel?

ASTM A1020/A1020M is a specification for minimum-wall-thickness fusion-welded tubes made from carbon and carbon-manganese steels. The intended applications identified by the ASTM reference are boilers, superheaters, heat exchangers and condensers.

Because the specification is product-form specific, buyers should not select A1020 simply because a project calls for “carbon steel sheet.” The required tube specification and grade should be identified from the engineering or purchase documentation.

ASTM A1020 Grades

These chemistry values come from the historical A1020/A1020M reference and should not be presented as a current purchase specification without confirming the applicable edition.

ASTM A1020 Grade A Steel

ASTM A1020 Grade A is the low-carbon grade listed in the historical A1020/A1020M specification. It is associated with the welded-tube applications covered by the standard. An RFQ should identify Grade A together with tube dimensions, wall thickness, length, quantity, testing and documentation requirements.

ASTM A1020 Tube Size Range

The historical ASTM reference states that tubing is usually furnished from 1/4 to 5 in. [6.3 to 127 mm] outside diameter and 0.015 to 0.375 in. [0.4 to 9.5 mm] wall thickness. Other dimensions may be furnished when the tubes meet the specification’s requirements.

ASTM A1020 Applications

• Boiler tubes
• Superheater tubes
• Heat exchanger tubes
• Condenser tubes

These are specification-led applications. The page should not broaden A1020 into unrelated structural sheet, plate or general fabrication uses.

ASTM A1020 Mechanical Properties & Testing

Mechanical requirements depend on the grade and tube requirements. The historical ASTM record identifies tensile and hardness testing and additional tests for welded tubing.

• Tensile and hardness testing.
• Flattening tests.
• Flange tests.
• Crush tests.
• Reverse-flattening testing.
• Hydrostatic or non-destructive electric testing of finished tubes, as specified in the historical record.

Mechanical-property requirements may not apply below the dimensional thresholds stated in the specification.

ASTM A1020 Heat Treatment

The historical ASTM record states that, after welding, tubes are heat treated and then cooled in air or in the cooling chamber of a controlled-atmosphere furnace. Final procurement requirements should be checked against the applicable specification and purchase order.

ASTM A1020 vs ASTM A106

A1020 and A106 are different specifications. A1020 is associated with fusion-welded tubes for boiler, superheater, heat exchanger and condenser applications, while ASTM A106 covers seamless carbon steel pipe for high-temperature service.

Related Lakshya page: ASTM A106 Grade A Carbon Steel Pipe

ASTM A1020 vs ASTM A1018 Steel Sheet

Do not confuse ASTM A1020 with ASTM A1018. A1018 concerns hot-rolled heavy-thickness steel sheet and strip coils, while A1020/A1020M concerns welded carbon and carbon-manganese tubes. The similar numbers do not mean the specifications are interchangeable.

ASTM A1020 Steel Sheet – Search Intent Clarification

The keyword “ASTM A1020 Steel Sheet” can be addressed for SEO, but the page should immediately explain that A1020/A1020M is a tube specification. If the actual commercial requirement is sheet or plate, the correct ASTM sheet/plate standard should be identified before creating a product claim.

ASTM A1020 Price

Pricing depends on the actual tube requirement rather than the A1020 name alone.

• Grade
• Outside diameter
• Wall thickness
• Length
• Quantity
• Welded-tube requirements
• Heat treatment
• Testing and inspection
• Documentation
• Market conditions

For an accurate quotation, provide the exact grade and tube dimensions rather than requesting a generic A1020 price per kg.

How to Order ASTM A1020/A1020M Steel

• ASTM A1020/A1020M and applicable edition
• Grade A, C or D
• Outside diameter
• Wall thickness
• Tube length
• Quantity
• Heat-treatment requirements
• Mechanical and non-destructive testing requirements
• Material test certificate/documentation
• Delivery location

See Our Products for Lakshya’s broader product hierarchy.

Frequently Asked Questions