Petroleum, chemical, machinery, electric power, shipbuilding, papermaking,
construction, etc
Test
Squash test, extended test, water pressure test, crystal rot test,
heat treatment, NDT
Chemical Composition of Material
Material
Composition
201
202
304
316L
430
C
≤0.15
≤0.15
≤0.08
≤0.035
≤0.12
Si
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
Mn
5.5-7.5
7.5-10
≤2.00
≤2.00
≤1.00
P
≤0.06
≤0.06
≤0.045
≤0.045
≤0.040
S
≤0.03
≤0.03
≤0.030
≤0.030
≤0.030
Cr
13-15
14-17
18-20
16-18
16-18
Ni
0.7-1.1
3.5-4.5
8-10.5
10-14
Mo
2.0-3.0
Mechanical Property
Material Item
201
202
304
316
Tensile Strength
≥535
≥520
≥520
≥520
Yield Strength
≥245
≥205
≥205
≥205
Extension
≥30%
≥30%
≥35%
≥35%
Hardness (HV)
<105
<100
<90
<90
More Products Packaging & Shipping Company Information Company Profile Qinhuangdao Zhongyan Machienry Co.,Ltd is located in Yanshan University Science Park. It is a morden and high-tech enterprise supported by a number of experienced mechanical engineers and technicists. Main products Steel pipes&pipe fittings(elbow,tee,flange,reducer,cap,forging); Plastic tubes&pipe fittings(elbow,tee,cap...) Varities of steel materials. Most of our products have national patent for invention. Company philosophy “Your demands are our development directions.” High efficiency and profession are our unremitting persuit. Honesty and responsibility are our unchanged attitude. Our Services We are always doing the best to keep customers first. Provide efficient,time-saving and reliable service. Standing in customers’ position to make good quality, competitive price and comfortable communication. FAQ Payment Terms: 1. T/T: 30% T/T in advance, and the balance against the copy of B/L; 2. L/C: 100% L/C at sight.