Home > Products > Industrial Pipeline Series > Small Diameter / High Frequence Welded Carbon Steel Pipe API5l / ASTM A53 / ASTM 252 /API5CT
Small Diameter / High Frequence Welded Carbon Steel Pipe API5l / ASTM A53 / ASTM 252 /API5CT
- 0 Ton / Tons per Month
- T/T
- 8 days
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Product Details
Type | Other, Carbon Steel | Certification | ISO | |
Shape | Round | Technique | Other | |
Surface Treatment | Other, Varnishing | Usage | Pipeline Transport, Boiler Pipe, Hydraul | |
Internal Coating | Cement Mortar Lining; Bitumen Coating; L | External Coating | 3lpe; 2lpe; 2lpp; Fbe; Bitumen; Enamel T | |
Transport Package | with End Caps, in Bundles by Steel Strips | Specification | Customized | |
Origin | China |
Product Description
Shipping--- by container (Apply to a few or common quantity) or in bulk ( Apply to huge quantity)
Container sizes:
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)
For 20feet container load 25tons-28tons pipes whose max. length is 5.8m.
For40feet container load 25tons-26tons pipes whose max. length is 12m.
Zhongzheng Stainless Steel Co., Ltd. is located in Shuang Gang industrial zone of Jinnan district ,Tianjin. Our company is 36km away from Tianjin port, 6km away from Tianjin airport and 40km away from Tianjin railway station.
We have established quality management system according to ISO9001:2008 and carry out the total quality management. Now, We sell 160,000 tons steel pipes per year, including the steel pipes for the high, medium and low pressure boilers, shipping, transporting liquid products, the petroleum cracking process, the fertilizer facilities, the structure ,the hollow sucker rod , oil well casing and drill pipe, galvanized steel pipe and some stainless steel. Provide high quality products to in different industries customers .
In recent years, the company products are not only sold well in domestic market but also exported to different countries and areas in the world. Our products are very popular in the overseas market. A number of overseas well-known enterprises have established a long-term business relationship with us.
Warmly welcome customers home and abroad to visit our company and give us valuable suggestions. We would like to have long term cooperation with customers from all over the world on the basis of mutual prosperity and development.
Thank you!
Comparison Table Of Domestic And Foreign Alloy Grade | |||||||
Material | China | Former Soviet Union | America | England | Japan | French | Germany |
GB | ГOCT | ASTM | BS | JIS | NF | DIN | |
High Quality Carbon Structural Steel | 08F | 08KП | 1006 | 040A04 | S09CK | C10 | |
8 | 8 | 1008 | 045M10 | S9CK | C10 | ||
10F | 1010 | 040A10 | XC10 | ||||
10 | 10 | 10,101,012 | 045M10 | S10C | XC10 | C10,CK10 | |
15 | 15 | 1015 | 095M15 | S15C | XC12 | C15,CK15 | |
20 | 20 | 1020 | 050A20 | S20C | XC18 | C22,CK22 | |
25 | 25 | 1025 | S25C | CK25 | |||
30 | 30 | 1030 | 060A30 | S30C | XC32 | ||
35 | 35 | 1035 | 060A35 | S35C | XC38TS | C35,CK35 | |
40 | 40 | 1040 | 080A40 | S40C | XC38H1 | ||
45 | 45 | 1045 | 080M46 | S45C | XC45 | C45,CK45 | |
50 | 50 | 1050 | 060A52 | S50C | XC48TS | CK53 | |
55 | 55 | 1055 | 070M55 | S55C | XC55 | ||
60 | 60 | 1060 | 080A62 | S58C | XC55 | C60,CK60 | |
15Mn | 15Г | 10,161,115 | 080A17 | SB46 | XC12 | 14Mn4 | |
20Mn | 20Г | 10,211,022 | 080A20 | XC18 | |||
30Mn | 30Г | 10,301,033 | 080A32 | S30C | XC32 | ||
40Mn | 40Г | 10,361,040 | 080a40 | S40C | 40M5 | 40Mn4 | |
45Mn | 45Г | 10,431,045 | 080A47 | S45C | |||
50Mn | 50Г | 10,501,052 | 030A52 080M50 | S53C | XC48 | ||
Alloy Structural Steel | 20Mn2 | 20Г 2 | 13,201,321 | 150M19 | SMn420 | 20Mn5 | |
30Mn2 | 30Г 2 | 1330 | 150M28 | SMn433H | 32M5 | 30Mn5 | |
35Mn2 | 35Г 2 | 1335 | 150M36 | SMn438(H) | 35M5 | 36Mn5 | |
40Mn2 | 40Г 2 | 1340 | SMn443 | 40M5 | |||
45Mn2 | 45Г 2 | 1345 | SMn443 | 46Mn7 | |||
50Mn2 | 50Г 2 | ~55M5 | |||||
20MV | 20MnV6 | ||||||
35SiMn | 35CГ | En46 | 37MnSi5 | ||||
42SiMn | 35CГ | En46 | 46MnSi4 | ||||
40B | TS14B35 | ||||||
45B | 50B46H | ||||||
40MnB | 50B40 | ||||||
45MnB | 50B44 | ||||||
15Cr | 15X | 5115 | 523M15 | SCr415(H) | 12C3 | 15Cr3 | |
20Cr | 20X | 5120 | 527A19 | SCr420H | 18C3 | 20Cr4 | |
30Cr | 30X | 5130 | 530A30 | SCr430 | 28Cr4 | ||
35Cr | 35X | 5132 | 530A36 | SCr430(H) | 32C4 | 34Cr4 | |
40Cr | 40X | 5140 | 520M40 | Scr440 | 42C4 | 41Cr4 | |
45Cr | 45X | 51,455,147 | 434A99 | SCr445 | 45C4 | ||
38CrSi12CrMo | 38XC/12XM | 620CrB | 12CD4 | 13CrMo44 | |||
15CrMo | 15XM | A-387CrB | 1653 | STC42/STT42/ STB42 | 12CD4 | 16CrMo44 | |
20CrMo | 20XM | 41,194,118 | CDS12 CDS110 | STC42/STT42/ STB42 | 18CD4 | 20CrMo44 | |
25CrMo | 4125 | En20A | 25CD4 | 25CrMo4 | |||
30CrMo | 30XM | 4130 | 1717COS110 | SCM420 | 30CD4 | ||
42CrMo | 4140 | 708A42 708M40 | 42CD4 | 42CrMo4 | |||
35CrMo | 35XM | 4135 | 708A37 | SCM3 | 35CD4 | 34CrMo4 | |
12CrMoV | 12XMФ | ||||||
12Cr1MoV | 12X1MФ | 13CrMoV42 | |||||
25Cr2Mo1VA | 25X2M1ФA | ||||||
20CrV | 20XФ | 6120 | 22CrV4 | ||||
40CrV | 40XФA | 6140 | 42CrV6 | ||||
50CrV | 50XФA | 6150 | 735A30 | SUP10 | 50CV4 | 50CrV4 | |
15CrMn | 15XГ,18XГ | ||||||
20CrMn | 20XГ CA | 5152 | 527A60 | SUP9 | |||
30CrMnSiA | 30XГ CA | ||||||
40CrNi | 40XH | 3140H | 640M40 | SNC236 | 40NiCr6 | ||
20CrNi3A | 20XH3A | 3316 | 20NC11 | 20NiCr14 | |||
30CrNi3A | 30XH3A | 3325/ 3330 | 653M31 | SNC631H SNC631 | 28NiCr10 | ||
20MnMoB | 80B20 | ||||||
38CrMoA1A | 38XMIOA | 905M39 | SACM645 | 40CAD6.12 | 41CrA1Mo07 | ||
40CrNiMoA | 40XHMA | 4340 | 871M40 | SNCM439 | 40NiCrMo22 | ||
Spring Steel | 60 | 60 | 1060 | 080A62 | S58C | XC55 | C60 |
85 | 85 | C1085/ 1084 | 080A86 | SUP3 | |||
65Mn | 65Г | 1566 | |||||
55Si2Mn | 55C2Г | 9255 | 250A53 | SUP6 | 55S6 | 55Si7 | |
60Si2MnA | 60C2Г A | 9260/ 9260H | 250A61 | SUP7 | 61S7 | 65Si7 | |
Rolling Bearing Steel | GCr9 | ШХ9 | Е51100/ 51100 | SUJ1 | 100С5 | 105Сг4 | |
GCr9SiMn | SUJ3 | ||||||
GCr15 | ШХ15 | Е52100 | 534А99 | SUJ2 | 100С6 | 100Cr6 | |
52100 | |||||||
GCr15SiMn | ШХ15СГ | 100CrMn6 | |||||
Free Cutting Steel | Y12 | A12 | С1109 | SUM12 | |||
Y15 | В1113 | 220М07 | SUM22 | 10S20 | |||
Y20 | A20 | С1120 | SUM32 | 20F2 | 22S20 | ||
Y30 | A30 | С1130 | SUM42 | 35S20 | |||
Y40Mn | А40Г | С1144 | 225М36 | 45MF2 | 40S20 | ||
Wear Resistant Steel | ZGMn13 | 116Г 13Ю | SCMnH11 | Z120M12 | X120Mn12 | ||
Carbon Tool Steel | T7 | y7 | W1-7 | SK7.SK6 | C70W1 | ||
T8 | у8 | SK6.SK5 | |||||
T8A | у8А | W1-0.8C | 1104Y175 | C80W1 | |||
T8Mn | у8Г | SK5 | |||||
T10 | у10 | W1-1.0C | D1 | SK3 | |||
T12 | у12 | W1-1.2C | D1 | SK2 | Y2 120 | C125W | |
T12A | у12А | W1-1.2C | ХС 120 | C125W2 | |||
T13 | у13 | SK1 | Y2 140 | C135W | |||
Alloy Tool Steel | 8MnSi | C75W3 | |||||
9SiCr | 9XC | BH21 | 90CrSi5 | ||||
Cr2 | X | L3 | 100Сгб | ||||
Cr06 | 13X | W5 | SKS8 | 140Cr3 | |||
9Cr2 | 9X | L | 100Сгб | ||||
W | B1 | F1 | BF1 | SK21 | 120W4 | ||
Сг12 | X12 | D3 | BD3 | SKD1 | Z200C12 | X210Cr12 | |
Cr12MoV | X12M | D2 | BD2 | SKD11 | Z200C12 | X165CrMoV46 | |
9Mn2V | 9Г 2Ф | 2 | 80M80 | 90MnV8 | |||
9CrWMn | 9XBГ | 1 | SKS3 | 80M8 | |||
CrWMn | XBГ | 7 | SKS31 | 105WC13 | 105WCr6 | ||
3Cr2W8V | ЗХ2В8Ф | H21 | BH21 | SKD5 | X30WC9V | X30WCrV93 | |
5CrMnMo | 5XГ M | SKT5 | 40CrMnMo7 | ||||
5CrNiMo | 5XHM | L6 | SKT4 | 55NCDV7 | 55NiCrMoV6 | ||
4Cr5MoSiV | 4Х5МФС | H11 | BH11 | SKD61 | Z38CDV5 | X38CrMoV51 | |
4CrW2Si | 4XB2C | SKS41 | 40WCDS35-12 | 35WCrV7 | |||
5CrW2Si | 5XB2C | S1 | BSi | 45WCrV7 | |||
High Speed Tool Steel | W18Cr4V | Р18 | Т1 | ВТ1 | SKH2 | Z80WCV 2018-4-1 | S18-0-1 |
W6Mo5Cr4V2 | Р6МЗ | N2 | ВМ2 | SKH9 | Z85WDCV 06-05-04-02 | S6-5-2 | |
W18Cr4VCo5 | Р18К5Ф2 | T4 | BT4 | SKH3 | Z80WKCV 18-05-04-01 | S18-1-2-5 | |
W2Mo9Cr4VCo8 | M42 | BM42 | Z110DKCWV 09-08-04-02-01 | S2-10-1-8 | |||
Heat Resistant Steel | 2Cr23Ni13 | 20X23H12 | 309/S30900 | 309S24 | SUH309 | Z15CN24.13 | |
2Cr25Ni21 | 20X25H20C2 | 310/S31000 | 310S24 | SUH310 | Z12CN25.20 | CrNi2520 | |
0Cr25Ni20 | 310/S31008 | SUS310S | |||||
0Cr17Ni12Mo2 | 08X17H13M2T | 316/S31600 | 316S16 | SUS316 | Z6CND17.12 | X5CrNiMo1810 | |
0Cr18Ni11Nb | 08X18H12E | 347/S34700 | 347S17 | SUS347 | Z6CNNb18.10 | X10CrNiNb189 | |
1Cr13Mo | SuS410J1 | ||||||
1Cr17Ni2 | 14X17H2 | 431/S43100 | 431S29 | SUS431 | Z15CN16-02 | X22CrNi17 | |
0Cr17Ni7A1 | 09X17H7Ю | 631/S17700 | SUS631 | Z8CNA17.7 | X7CrNiA1177 |
Company Profile

Zhongzheng Stainless Steel Co., Ltd. is a China-based manufacturer specializing in R&D, production, and distribution of stainless steel products. Established in the early 2000s, it serves industries including construction, machinery, food/medical equipment, and energy with precision tubes, sheets, profiles, and custom components.
Contact Us
- Zhongzheng Stainless Steel Co., Ltd.
- Contact nameLaijing Bu Chat Now
- AddressRoom 104-07, Building 5, Jinghu Technology Park Huanajinghu Garden, Donglihu Subdistrict Dongli District,
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