PRODUCTS
ASTM A333 Gr.6 + ASME SA333 Gr.6
Classification :
Carbon Steel Pipe
Keywords:
ASTM A333 Gr.6 + ASME SA333 Gr.6
Product Introduction
The main components of A333 seamless steel pipe include iron, carbon, chromium, nickel, manganese and other elements. Chromium has excellent corrosion resistance, while the addition of nickel further enhances the corrosion resistance and toughness of the material. A333 seamless steel pipe has high strength and hardness, as well as good plasticity and toughness. These excellent mechanical properties make A333 seamless steel pipe an ideal choice in many high-strength, high-corrosion-resistant application scenarios. A333 seamless steel pipe is commonly used to transport oil and natural gas with high temperature and high pressure owing to the excellent sealing and corrosion resistance.
Parameter
|
Product Name |
A333 Seamless & Welded Steel Pipe |
|
|
Standard |
EN/DIN/JIS/ASTM/BS/ASME/AISI etc. |
|
|
Outer Diameter |
Seamless: 1/4"-36" |
Welding: 21.3mm-3620mm |
|
Round Tube: 1/2"-10" |
Square Tube/Rectangular Tube: 15x15mm-400x600mm |
|
|
Wall Thickness |
Seamless: 1.25mm-50mm |
Welding: 1.65mm-65mm |
|
Length |
3-12 meters, Support customization |
|
|
Surface Process |
Bright, Polished, Black |
|
|
Other Services |
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
|
Application description:
ASTM A333 Gr.6 seamless steel pipe is designed for low-temperature and cryogenic service, featuring excellent low‑temperature toughness, stable mechanical performance and reliable anti‑brittle fracture capability down to -45°C and below.
It is widely used in LNG plants, natural gas transmission, petrochemical cryogenic process pipelines, heat exchangers, pressure vessels and cold‑storage equipment. Also suitable for offshore platforms, polar region oil & gas projects, industrial refrigeration systems and low‑temperature fluid transportation of liquid nitrogen and liquid oxygen. Ideal for piping systems working in cold climates and extreme low‑temperature industrial conditions.
Packaging And Shipping
The company specializes in selling steel, with best-selling products including PPGI, galvanized steel coil, steel plate, stainless steel plate, seamless welded steel pipe, aluminum coil, angle steel, H-shaped steel beam, and threaded steel. The product performance indicators have reached the advanced level in China. Our products have been widely sold to Northeast, North China, East China, Europe, the Middle East, Southeast Asia, Australia, etc

| USA | Japan | Germany | U.K. |
|
France | Italy | Spain | Switzerland | China | |
|
AISI/SAE |
JIS |
W‐nr. |
DIN |
BS |
EN |
AFNOR |
UNI |
UNE |
SS |
GB |
|
A570.36 |
STKM 12A |
1.0038 |
RSt.37‐2 |
4360 |
‐ |
E 24‐2 |
‐ |
‐ |
1311 |
15 |
|
- |
STKM 12C |
- |
- |
40 C |
- |
Ne |
- |
- |
- |
- |
|
1015 |
‐ |
1.0401 |
C15 |
080M15 |
‐ |
CC12 |
C15, C16 |
F.111 |
1350 |
15 |
|
1020 |
‐ |
1.0402 |
C22 |
050A20 |
2C |
CC20 |
C20, C21 |
F.112 |
1450 |
20 |
|
1213 |
SUM22 |
1.0715 |
9SMn28 |
230M07 |
1A |
S250 |
CF9SMn28 |
F.2111 |
1912 |
Y15 |
|
11SMn28 |
||||||||||
|
12L13 |
SUM22L |
1.0718 |
9SMnPb28 |
‐ |
‐ |
S250Pb |
CF9SMnPb28 |
11SMnPb28 |
1914 |
‐ |
|
‐ |
‐ |
1.0722 |
10SPb20 |
‐ |
‐ |
10PbF2 |
CF10Pb20 |
10SPb20 |
‐ |
‐ |
|
1215 |
‐ |
1.0736 |
9SMn36 |
240M07 |
1B |
S300 |
CF9SMn36 |
12SMn35 |
‐ |
Y13 |
|
12L14 |
‐ |
1.0737 |
9SMnPb36 |
‐ |
‐ |
S300PB |
CF9SMnPb36 |
12SMnP35 |
1926 |
‐ |
|
1015 |
S15C |
1.1141 |
Ck15 |
080M15 |
32C |
XC12 |
C16 |
C15K |
1370 |
15 |
|
1025 |
S25C |
1.1158 |
Ck25 |
‐ |
‐ |
‐ |
‐ |
‐ |
‐ |
25 |
|
A572-60 |
‐ |
1.890 |
StE380 |
4360 55 |
‐ |
‐ |
FeE390KG |
‐ |
2145 |
‐ |
|
1035 |
‐ |
1.0501 |
C35 |
060A35 |
‐ |
CC35 |
C35 |
F.113 |
1550 |
35 |
|
1045 |
‐ |
1.0503 |
C45 |
080M46 |
‐ |
CC45 |
C45 |
F.114 |
1650 |
45 |
|
1140 |
‐ |
1.0726 |
35S20 |
212M36 |
8M |
35MF4 |
‐ |
F210G |
1957 |
‐ |
|
1039 |
‐ |
1.1157 |
40Mn4 |
150M36 |
15 |
35M5 |
‐ |
‐ |
‐ |
40Mn |
|
1335 |
SMn438(H) |
1.1167 |
36Mn5 |
‐ |
‐ |
40M5 |
‐ |
36Mn5 |
2120 |
35Mn2 |
|
1330 |
SCMn1 |
1.1170 |
28Mn6 |
150M28 |
14A |
20M5 |
C28Mn |
‐ |
‐ |
30Mn |
|
1035 |
S35C |
1.1183 |
Cf35 |
060A35 |
‐ |
XC38TS |
C36 |
‐ |
1572 |
35Mn |
|
1045 |
S45C |
1.1191 |
Ck45 |
080M46 |
‐ |
XC42 |
C45 |
C45K |
1672 |
Ck45 |
|
1050 |
S50C |
1.1213 |
Cf53 |
060A52 |
‐ |
XC48TS |
C53 |
‐ |
1674 |
50 |
|
1055 |
‐ |
1.0535 |
C55 |
070M55 |
9 |
‐ |
C55 |
‐ |
1655 |
55 |
|
1060 |
‐ |
1.0601 |
C60 |
080A62 |
43D |
CC55 |
C60 |
‐ |
‐ |
60 |
|
1055 |
S55C |
1.1203 |
Ck55 |
070M55 |
‐ |
XC55 |
C50 |
C55K |
‐ |
55 |
|
1060 |
S58C |
1.1221 |
Ck60 |
080A62 |
43D |
XC60 |
C60 |
‐ |
1678 |
60Mn |
|
1095 |
‐ |
1.1274 |
Ck101 |
060A96 |
‐ |
XC100 |
‐ |
F.5117 |
1870 |
‐ |
|
W1 |
SK3 |
1.1545 |
C105W1 |
BW1A |
‐ |
Y105 |
C36KU |
F.5118 |
1880 |
‐ |
|
W210 |
SUP4 |
1.1545 |
C105W1 |
BW2 |
‐ |
Y120 |
C120KU |
F.515 |
2900 |
‐ |
Packaging and shipping

FAQ
Q:What is your MOQ?
A: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.
Q:What is the delivery time?
A: About 10-15 days
Q:What kind of payment terms would you accept?
A: We always do T/T.30% T/T as deposit,70% T/T as balance.
Q:What certifications do your products have?
A: We have ISO 9001, SGS, EWC and other certifications.
Q:Do you provide samples Is it free or extra?
A: Yes, we could offer free samples.
Q:Once the products received by customer were found not comply with the products or contract demands, what will you do?
A: We will compensate the customer for all the loss without any hesitation.
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Full-process Processing Services
Equipped with professional processing workshops and advanced facilities including laser cutting machines, CNC bending machines and precision welding equipment, we offer integrated customized processing services:
We ensure stable dimension, high precision and fast delivery, making your procurement more efficient.
Basic Processing:
Steel pipe cutting, bending, welding and beveling.
Precision Processing:
High-precision laser blanking, special-shaped component assembly and non-standard parts customization.
Surface Treatment:
Anti-rust oil, painting, anti-corrosion coating and galvanizing.
Import & Export Supporting Services:
Exclusive processing for steel pipe import and export, anti-corrosion and rust-proof treatment, customized packaging to fit international logistics and customs clearance standards.
