ASTM A387 GRADE 9 steel

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10-May-2024

ASTM A387 GRADE 9 steel work/steel structure/steel spare parts can be used to build gas holder, waste gas cleaning tower, separator, chemical tower, heat exchanger, storage tank, and so on.

ASTM A387 GRADE 9 steel plate has two class according its tensile strength level, ASTM A387 GRADE 9 Class 1 and ASTM A387 GRADE 9 Class 2.

The chemical composition of ASTM A387 GRADE 9 Class 1 and ASTM A387 GRADE 9 Class 2

GRADE	C	Mn	P max	S max	Si	Cr	Mo	V
A387 GRADE 9	≤0.15	0.30-0.60	0.03	0.03	≤1.00	8.00-10.00	0.90-1.10	≤0.04

The mechanical property of ASTM A387 GRADE 9 Class 1

Grade	Tensile strength		Yield strength min		Elongation % min
Grade	ksi	Mpa	ksi	Mpa	In 8 in.	In 2 in.
Grade 9 Class 1	60-85	415-585	30	205	…	18

The mechanical property of ASTM A387 GRADE 9 Class 2

Grade	Tensile strength		Yield strength min		Elongation % min
Grade	ksi	Mpa	ksi	Mpa	In 8 in.	In 2 in.
Grade 9 Class 2	75-100	515-690	45	310	…	18

General requirement: ASTM A20/A20M.

Heat treatment: Annealing, normalizing and tempering, accelerated cooled and tempered.

Our inspection equipment include x-ray crack detection room, x ray generator, type 435 industrial washing machine.

Processing items: welding, drilling, edge milling, cutting, bending, heat treatment, shot blasting.

KUNFENGs have all kinds of steel processing equipment, include automatic arc-submerging welder, Dc manual arc welding machine, radial drill, CNC floor-type sharp boring machine, CNC gantry milling, cross submerged arc welding machine, H-beam assembling machine, H-beam welding production line, Box column (beam) welding production line. We can produce different kinds of steel spare part for you, please send us inquiry If you need.