Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


alloy steel pipe-09

alloy steel pipe
 1.alloy steel pipe 
4.Application:boiler,heat exchanger, parts of auto 
5.Cert.: ISO
1.alloy steel pipe
4.Application:boiler,heat exchanger, parts of auto
5.Cert.: ISO
Detailed Product Description
Hunan new materials industry Group owns six factories, including pipes, fittings, casting-fitting production, forged fittings, and pipe accessories ( Galvanizing, anti-corrosive, insulation, etc.,) workshop.



1 Product alloy steel pipe
2 Standard U.S.A. ASTM A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334;  
Japan JIS G3456/G3457/G3458/G3460/3461/3462/3464
German 17175/1629-4/2448/2391/17200  SEW680
3 Material and  Grade U.S.A. A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
German ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405
4 Out Diameter 8.7mm-720mm
5 Wall Thickness 0.75mm-120mm
6 Length 4-12m
7 Protection Plastic caps/ Wooden case
8 Surface Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer
9 Packing terms labeled and bundled together with steel strip
10 Shipment terms Containers or bundles by sea,one 20" container can load about 20 tons(5.8meters long),one 40" container can load about 23-26tons(less than 11.8meters long)
11 Marking As per customer’s requirement
12 Production capacity with full production capacity.400,000tons per year
13 Delivery time 20-90days
14 Main market Asia.India.Middle East.America.Europe
15 Min. Order quantity 2~10 tons 
16 Quality Certificate ISO, API, Mill Test Certificate
17 Contact: Hunan New Materials Industry Group Co., Ltd
Add.: 333, Wuyi Road, Changsha, Hunan, China
Tel: 0086-731-88991971
Contact: Robert Zuo



Chemical composition and mechanical properties


Standard  materials and grade Chemical compositions
C Si Mn P S Cr Ni Cu
4130 4130 0.26~0.34 0.2~0.4 0.4~0.7 ≤0.035 ≤0.035 0.8~1.1 ≤0.030 ≤0.030
4140 4140 0.38~0.43 0.15~0.35 0.75~1 ≤0.03 ≤0.045 0.8~1.1 ≤0.030 ≤0.030
Standard  materials and grade Mechanical Properties
Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%)
4130 4130 ≥930 ≥785 ≥12
4140 4140 ≥1080 ≥930 ≥12




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