1. chemical composition and technicial property
Grade |
C |
Si |
Mn |
P |
S |
Yield Strength(mpa) |
Tensile Strength |
Elognation % |
sae1018 |
0.15-0.20 |
0.07-0.60 |
0.50-0.90 |
0.04max |
0.05max |
415 |
520 |
27 |
sae1020 |
0.17-0.24 |
0.20-0.60 |
0.35-0.65 |
0.035max |
0.035max |
490 |
540 |
28 |
3. seamless steel pipe grades can be supplied
Seamless Steel pipe grades
Descriptions | Grades |
Structural pipe | 20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2 |
SAE1018, SAE1020, SAE1518, SAE1045. | |
Liquid pipe | 20# q295b-e, q345b-e |
High pressure boiler tube | 20G 15MnG 20MnG 15CrMoG, 12Cr1MoVG |
St35.8, sa106b, sa106c, sa210a, sa210c, A333P2, A333P11, A33P12, A333P22, A33P36, A333P91, A333P92, A335T2, A335T11, A335T12, A335T22, A335T91, A335T23, A335T9 | |
Pipeline | API SPEC 5L, X42, X52, X60, X65,X70,X80 |
ASTMA53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245 | |
Alloy pipe | 4140, 42CrMo, 32CrMo, 15CrMo, |
Packing | Black paint, Varnish painting, Tarpaulin packing |
End | Common round end, beveled. |
Processing | Galvanizing; cutting; making thread outside the pipe; Machining. |
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