A387 Gr. 9 Gr. 11 Gr. 12 Gr. 22 LSAW Welded Pipe

• Customization: Available
• Type: Welded
• Technique: EFW
• Model NO.: KM-20250328
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Standards: ASTM A387 A691
• Materials: A387 Gr.9 Gr.11 Gr.12 Gr.22
• Size: 24"~100"
• Thickness: 3~45mm
• Surface: Black Paintings,Oils,3lpe Coatings or Customizing
• Packing: in Bundles,Wooden Cases or Customer′s Request
• Transport Package: in Bundles or Customer′s Requets
• Specification: 24"~100"
• Trademark: Kingmetal
• Origin: China
• HS Code: 7306301100
• Production Capacity: 2000 Tons Per Month

Product Description

A387 Gr.9 Gr.11 Gr.12 Gr.22 LSAW Pipe

A691 Material Specification

Grade	Alloy Steel ASTM A691 Cl22, A691 GRADE 1 CR, GRADE 1/2 CR, GRADE 1 1/4 CR, GRADE 2 1/4 CR, GRADE 3 CR, GRADE 5 CR, GRADE 9 CR, GRADE 91, CM 65, CM 70, CM 75
Size	24" NB to 100" NB
Thickness	3-45mm
Schedules	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Class Designation	Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73
ASTM A691 Grades	ASTM A691 Gr 11, ASTM A691 Gr.91, ASTM A691 9cr, ASTM A691 5cr, ASTM A691 1 1/4cr Cl22, ASTM A691m, ASTM A691 Gr.5cr Cl22, ASTM A691 Cm70, ASTM A691 Class 22, ASTM A691 Class 42, ASTM A691-91, ASTM A691 Grade 2.1/4cr, ASTM A691 11/4cr Cl22

Chemical Composition Of ASTM A691 9cr Cl22 Seamless Pipe

	1CR	1-1/4CR	2-1/4 CR	5 CR	9 CR	91
C	0.05-0.17	0.05-0.17	0.05-0.15	0.15	0.15	0.08-0.12
Mn	0.40-0.65	0.40-0.65	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60
P	0.025	0.025	0.025	0.025	0.025	0.020
S	0.025	0.025	0.025	0.025	0.025	0.010
Si	0.15-0.40	0.50-0.80	0.50	0.50	1.00	0.20-0.50
Cr	0.80-1.15	1.00-1.50	2.00-2.50	4.00-6.00	8.00-10.00	8.00-9.50
Mo	0.45-0.60	0.45-0.65	0.90-1.10	0.45-0.65	0.90-1.10	0.85-1.05
V	-	-	-	-	0.04	0.18-0.25

*Grade 91 also includes restrictions on Nickel 0.40 max, Columbium 0.06-0.10, Nitrogen 0.030-0.070, Aluminium 0.02 max, titanium 0.01 max, Zirconium 0.01 max.