| GB |
ASTM/ASME |
DIN |
EN |
JIS |
| GB/T8162 |
10 |
A53 |
A |
DIN1629 |
St37 |
EN17121 |
St37-2/3 |
G3454 |
STPG370 |
| GB/T8163 |
A106 |
A |
| GB/T3639 |
A519 |
1010 |
| |
20 |
A53 |
B |
DIN1629 |
St44 |
EN17121 |
St44-2/3 |
G3454 |
STPG410 |
| |
A106 |
B |
| |
A519 |
1020 |
| |
45 |
A1045 |
|
|
CK45 |
|
|
|
|
| |
Q235 |
A519 |
1021 |
|
|
EN10210-1 |
S235JRH |
G3444 |
STK400 |
| |
EN1097-1 |
E235 |
|
|
| |
Q345 |
A519 |
1524 |
DIN1629 |
St52 |
|
|
G3444 |
STK500 |
| |
37Mn5 |
J55 |
|
|
|
|
|
|
|
| |
35CrMo |
|
4135 |
|
|
|
|
G4105 |
SCM435 |
| |
20Cr |
|
5120 |
|
|
|
|
|
SCr420 |
| |
40Cr |
|
5140 |
|
|
|
|
|
SCr440 |
| |
15CrMo |
|
|
|
|
|
|
|
SCM415 |
| |
20CrMo |
|
4119 |
|
|
|
|
|
SCM420 |
| |
42CrMo |
|
4150/4142 |
|
|
|
|
|
SCM440 |
| |
20CrMnTi |
|
|
|
|
|
|
|
SMK22 |
| tandard |
Grade |
Chemical composition:(%) |
| C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
Cu≤ |
Ni≤ |
Ti |
V |
Nb |
| GB/T 699 |
10 |
0.07~0.13 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
≤0.15 |
|
0.25 |
0.3 |
|
|
|
| 20 |
0.17~0.23 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
≤0.35 |
|
0.25 |
0.3 |
|
|
|
| 35 |
0.32~0.39 |
0.17~0.37 |
0.50~0.80 |
0.035 |
0.035 |
≤0.25 |
|
0.25 |
0.3 |
|
|
|
| 45 |
0.42~0.50 |
0.17~0.37 |
0.50~0.80 |
0.035 |
0.035 |
≤0.25 |
|
0.25 |
0.3 |
|
|
|
| GB/T3077 |
20Cr |
0.18~0.24 |
0.17~0.37 |
0.50~0.80 |
0.035 |
0.035 |
0.70~1.00 |
|
|
|
|
|
|
| 40Cr |
0.37~0.44 |
0.17~0.37 |
0.50~0.80 |
0.035 |
0.035 |
0.80~1.10 |
|
|
|
|
|
|
| 20CrMo |
0.17~0.24 |
0.17~0.37 |
0.40~0.70 |
0.035 |
0.035 |
0.80~1.10 |
0.15~0.25 |
|
|
|
|
|
| 42CrMo |
0.38~0.45 |
0.17~0.37 |
0.50~0.80 |
|
|
0.90~1.20 |
0.15~0.25 |
|
|
|
|
|
| 20CrMnTi |
0.17~0.23 |
0.17~0.37 |
0.80~1.10 |
|
|
1.00~1.30 |
|
|
|
0.04
~0.10 |
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Equivalent Material referance: |
| GB |
TOCT |
ASTM |
BS |
JIS |
NF |
DIN |
| 10F |
|
1010 |
040A10 |
|
XC10 |
|
| 10 |
10 |
10,101,012 |
045M10 |
S10C |
XC10 |
C10,CK10 |
| 20 |
20 |
1020 |
050A20 |
S20C |
XC18 |
C22,CK22 |
| 45 |
45 |
1045 |
080M46 |
S45C |
XC45 |
C45,CK45 |
| 30CrMo |
30XM |
4130 |
1717COS110 |
SCM420 |
30CD4 |
|
| 42CrMo |
|
4140 |
708A42 |
|
42CD4 |
42CrMo4 |
| |
|
|
708M40 |
|
|
|
| 35CrMo |
35XM |
4135 |
708A37 |
SCM3 |
35CD4 |
34CrMo4 |
| Material |
10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#, 16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52 |
| Surface |
Black/ Bright |
| Standard |
DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094- 2000, GB/T 8163-1999, JIS G3101 |
| Size |
OD 15mm-70mm |
| Thickness 1-12mm |
| Processing |
Cold rolled/ Cold drawn |
| 1. BK (+C) No heat treatment after last cold forming process. |
| 2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing) |
| 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. |
| 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. |
| 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
| Packing |
Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. |
| Delivery time |
Normally 20-30 working days |
Discover the pinnacle of engineering excellence with our IATF16949 Certified Precision Seamless Steel Pipe. This remarkable product embodies the highest standards of quality and innovation, consistently redefining excellence in the industry with its unparalleled design and performance.
Expertly crafted to exceed the most rigorous standards for automotive components, this seamless steel pipe is engineered with unmatched precision, ensuring superior performance and reliability across all applications. From motorcycle components to other demanding applications, our product promises stellar results, consistently delivering excellence.With a commitment to unmatched durability and reliability, our precision seamless steel pipes are your steadfast ally in achieving optimal performance and enduring longevity.
Audited Supplier 
){kind=link}